Last Updated on November 4, 2026 by Tanos Potter

Thomas Harper is an American professional football player who plays safety for the Detroit Lions in the National Football League (NFL). Born on November 5, 2000, in Knoxville, Tennessee, Harper developed his football career at Karns High School, Oklahoma State University and the University of Notre Dame before entering the NFL in 2024.
Beyond his professional achievements, Harper comes from an athletic family with strong connections to college and professional football. His parents are Kevin Harper and Alacia Harper, while his older brother, Devin Harper, is a former Oklahoma State linebacker who was selected by the Dallas Cowboys in the 2022 NFL Draft.
Thomas also shared a close relationship with his late maternal uncle, Mike, who helped introduce him and his brother to competitive sports. He has since developed a special bond with his nephew, Camden Ryder Harper, the son of Devin Harper.
Although his parents, brother and extended family have been discussed in official biographies and interviews, information about his girlfriend, marital status and possible children remains limited.
Here is everything reliably known about Thomas Harper’s family, including his girlfriend, children, parents and siblings.
Thomas Harper’s Girlfriend: Is He in a Relationship?
As of now, Thomas Harper has not publicly confirmed the identity of a girlfriend or romantic partner.
Despite establishing himself as an NFL defensive back, the Detroit Lions safety has generally maintained privacy regarding his dating life.
His official Detroit Lions, Oklahoma State and Notre Dame biographies concentrate primarily on his football career, education and immediate family.
Similarly, interviews about his childhood and personal development have focused on his parents, older brother, late uncle and nephew rather than romantic relationships.
Reliable public reporting has not established whether Harper is currently dating anyone.
Consequently, it would be inaccurate to identify a particular woman as his girlfriend without a verified announcement or credible reporting.
Is Thomas Harper Married?
As of now, there is no reliable public confirmation that Thomas Harper is married.
The Detroit Lions defensive back has not made a widely documented wedding announcement, and authoritative public sources reviewed do not identify a wife.
However, the absence of publicly available information does not necessarily establish that he is unmarried. His current marital status remains unverified.
Thomas Harper’s Children: Does He Have Any Kids?
As of now, Thomas Harper has no publicly confirmed children.
Neither his official NFL biography nor the reliable interviews reviewed establishes whether he has welcomed a son or daughter.
However, Harper has spoken publicly about his experiences as an uncle and the importance of being a positive role model for younger family members.
His nephew, Camden Ryder Harper, is the son of Thomas’s older brother, Devin Harper.
Camden should not be confused with Thomas Harper’s own children, whose existence has not been publicly confirmed.
Thomas Harper’s Parents: Meet Kevin and Alacia Harper
Thomas Harper was raised by his parents, Kevin Harper and Alacia Harper, in the Knoxville area of Tennessee.
Both parents are identified in his official Detroit Lions, Oklahoma State University and Notre Dame football biographies.
The Harper family has a strong athletic background. Kevin played college basketball, while Alacia has publicly discussed the importance of competition, encouragement and family relationships in her sons’ development.
Both Thomas and his older brother, Devin, eventually became professional football players after successful college careers at Oklahoma State.
Thomas Harper’s Father: Who Is Kevin Harper?
Kevin Harper is Thomas Harper’s father and a former college basketball player.
His identity and athletic background are confirmed in the official football biographies published by Oklahoma State University and Notre Dame.
According to those university records, Kevin competed in college basketball before his sons pursued their own athletic careers.
Growing up in an athletic household gave Thomas and Devin opportunities to develop their competitive abilities.
Although both brothers eventually pursued professional football, Thomas initially believed basketball might provide his best opportunity to compete at the NCAA Division I level.
He played basketball at Karns High School while also participating in football.
However, as he progressed through high school, he increasingly concentrated on developing as a football player.
His father shared a documented connection to college athletics, although reliable public reporting provides limited additional information about Kevin’s basketball career, occupation and current professional activities.
How Kevin Harper’s Athletic Background Influenced the Family
The Harper family’s connection to competitive sports predates Thomas’s NFL career.
Kevin’s experience in college basketball established an athletic tradition that both sons continued through football.
Devin became a successful linebacker at Oklahoma State University before reaching the NFL.
Thomas followed his older brother to the same university, where he developed into a versatile defensive back.
The brothers’ achievements demonstrate the importance of athletics within the family.
However, specific claims about Kevin personally coaching Thomas or directing his football training have not been independently established through the sources reviewed.
Thomas Harper’s Mother: Who Is Alacia Harper?
Alacia Harper is Thomas Harper’s mother and one of the most influential people in his life.
Her identity is confirmed in official college football biographies and an extensive September 2023 interview published by Blue & Gold Illustrated through On3.
During that interview, Alacia discussed the athletic development of her sons, Thomas and Devin, and the important role played by her late brother Mike.
She explained that the family maintained a competitive environment in which the boys were encouraged to work hard and improve their abilities.
Their uncle regularly organized sporting activities, helping them develop confidence, discipline and a strong desire to succeed.
Alacia described how her brother’s competitive personality influenced both boys.
According to her account, the family wanted Thomas and Devin to understand the importance of perseverance and maintaining a positive attitude.
Although Alacia’s role as a mother and supporter is publicly documented, reliable reporting provides limited information about her occupation and educational background.
How Alacia Harper Supported Her Sons’ Football Careers
Alacia Harper watched both of her sons progress from high school football in Tennessee to major college programs and eventually the NFL.
Devin was the first to establish himself at Oklahoma State University.
His successful transition to college football provided Thomas with an example to follow.
Thomas subsequently joined Oklahoma State in 2019, giving the brothers an opportunity to represent the same university.
During his September 2023 interview, Alacia expressed pride in their achievements and reflected on the influence of her late brother Mike.
She explained that Mike had always believed both boys possessed the athletic ability necessary to become successful players.
His encouragement continued to influence the family even after his death.
Alacia also discussed the close relationship between Thomas and his nephew Camden, describing how much the young boy enjoyed speaking with his uncle.
The interview demonstrated that family relationships remained important to Thomas even as his football career took him away from home.
Thomas Harper’s Siblings: Does He Have Brothers or Sisters?
Thomas Harper has one publicly confirmed older brother named Devin Harper.
The relationship is documented in the official Oklahoma State University, Notre Dame and Detroit Lions biographies.
Both brothers attended Karns High School in Knoxville, Tennessee, before continuing their football careers at Oklahoma State.
Devin became a linebacker, while Thomas developed into a defensive back.
Although Devin is his only sibling identified in the official records reviewed, those sources do not independently establish whether Thomas has any additional brothers or sisters.
Devin Harper: Thomas Harper’s Older Brother
Devin Harper is Thomas Harper’s older brother and a former NFL linebacker.
He was born on May 13, 1998, in Atlanta, Georgia, approximately two and a half years before Thomas.
Devin grew up in the Knoxville area and attended Karns High School, where he participated in football, basketball and track and field.
He developed into a talented linebacker and attracted attention from college football recruiters.
After high school, Devin joined Oklahoma State University.
He spent six seasons with the Cowboys program, including a redshirt year and an additional season of eligibility granted because of the COVID-19 pandemic.
His most productive college campaign came in 2021, when he recorded 96 tackles, 10 tackles for loss and six sacks.
His performances earned honorable mention All-Big 12 recognition.
Devin Harper’s NFL Career
The Dallas Cowboys selected Devin Harper in the sixth round of the 2022 NFL Draft with the 193rd overall pick.
According to the Cowboys’ official website, Devin was selected primarily because of his athleticism, speed and ability to contribute on special teams.
He made his NFL debut during the 2022 season and appeared in three games before suffering an Achilles injury.
Devin continued his professional career in 2023, appearing in games for Dallas before joining the Cincinnati Bengals.
He spent additional time with Cincinnati, contributing primarily on special teams.
His professional experience made him an important source of advice for Thomas as the younger brother prepared for his own NFL career.
How Devin Harper Influenced Thomas Harper’s Football Career
Thomas Harper has publicly acknowledged that his older brother played an important role in his development.
In a 2025 interview published by Lions Wire, Thomas identified Devin as one of the most influential people in his football journey.
He explained that his older brother helped introduce him to the sport and provided an example of what could be achieved through hard work.
The brothers also trained together during their younger years.
According to Blue & Gold Illustrated, Thomas sometimes completed three workout sessions in a single day.
His routine included early morning training, organized school workouts and additional sessions with Devin after school.
These experiences helped him develop the physical conditioning and discipline necessary to compete at a high level.
Having an older brother who had already succeeded in college football also helped Thomas believe that he could follow a similar path.
Devin Harper Encouraged Thomas to Focus on Football
Before fully committing to football, Thomas Harper believed he might pursue a Division I college basketball career.
However, his older brother offered a realistic assessment of those ambitions.
According to a September 2023 family interview, Devin suggested that Thomas’s height could make competing at the highest level of college basketball difficult.
Although Thomas initially struggled to accept that assessment, he eventually began concentrating more seriously on football.
During his junior year at Karns High School, he made significant improvements in his football performance.
He subsequently developed into one of the school’s most productive wide receivers and defensive backs.
The decision helped him attract attention from college football programs and eventually earn a scholarship to Oklahoma State.
Thomas Harper’s Uncle Mike: The Family Mentor Who Inspired Him
One of the most influential people in Thomas Harper’s childhood was his maternal uncle, known publicly as Uncle Mike.
Mike was the brother of Thomas’s mother, Alacia Harper.
According to a September 8, 2023, feature published by Blue & Gold Illustrated, he regularly spent time with Thomas and Devin while encouraging their participation in sports.
During childhood, the brothers played basketball, football and baseball with their uncle.
Mike challenged them to compete hard and maintain a positive attitude.
His enthusiasm helped establish the competitive mentality that both brothers later demonstrated in college and professional football.
Uncle Mike’s Athletic Background
Before becoming an important mentor to his nephews, Mike played high school football in Winnsboro, South Carolina.
According to Blue & Gold Illustrated, he played running back and remained passionate about athletics throughout his life.
He frequently organized informal sporting activities with Thomas and Devin.
Alacia later explained that her brother’s strong desire to win encouraged the boys to become more competitive.
However, his influence extended beyond athletic performance.
He also emphasized working hard, maintaining confidence and encouraging other people.
Thomas has credited those experiences with helping shape his approach to football and family life.
When Did Thomas Harper’s Uncle Mike Die?
Thomas Harper’s uncle Mike died on May 2, 2020, after battling multiple myeloma, a cancer affecting plasma cells.
His death was a significant emotional loss for the Harper family.
During his September 2023 interview, Thomas recalled how difficult the experience had been because Mike was a positive and energetic presence in their lives.
Alacia also reflected on her brother’s ability to encourage Thomas and Devin during their childhood.
Although Mike died before Thomas reached Notre Dame and the NFL, his influence continued to shape the younger player’s outlook.
Harper has explained that his uncle’s example inspired him to become a positive role model for younger relatives.
Thomas Harper’s Nephew: Who Is Camden Ryder Harper?
Camden Ryder Harper is Thomas Harper’s nephew and the son of his older brother, Devin Harper.
He was born on August 9, 2019, according to the September 2023 Blue & Gold Illustrated family profile.
His arrival marked an important milestone for the Harper family because Devin became a father and Thomas became an uncle.
At the time, Thomas was beginning his college football career at Oklahoma State University.
As Camden grew older, he developed a particularly close relationship with Thomas.
How Thomas Harper Became a Role Model for His Nephew
Thomas has publicly discussed how much he enjoys spending time with Camden.
During his 2023 interview, he explained that he wanted to provide his nephew with the same encouragement and support he had received from Uncle Mike.
He emphasized the importance of being available whenever Camden needed advice, reassurance or simply someone to talk to.
According to Alacia Harper, Camden frequently asked to speak with Thomas by telephone.
When spending time with his grandmother, the young boy often wanted to call his father and then contact his uncle.
The family described the relationship as particularly close.
For Thomas, being an uncle became an opportunity to continue the tradition of mentorship that had influenced his own childhood.
Camden is Thomas Harper’s nephew, not his son.
How Thomas Harper’s Family Influenced His High School Career
Thomas Harper attended Karns High School in Knoxville, Tennessee, where he became a talented multi-sport athlete.
He participated in football and basketball while maintaining strong academic performance.
During his early high school years, Harper considered basketball a possible route to college athletics.
However, he eventually concentrated on football and developed into a productive wide receiver and defensive back.
In 2017, he became the first player in Karns High School history to record more than 1,000 receiving yards in a season.
He improved that record during his senior campaign in 2018.
According to Oklahoma State University’s official biography, Harper recorded 80 receptions for 1,279 yards and 18 touchdowns during his final high school season.
On defense, he recorded 92 tackles, including 67 solo stops.
He also contributed seven passes defended, two forced fumbles, one interception and a blocked field goal.
His outstanding performances earned All-District, All-Region and team Most Valuable Player recognition.
Harper finished his high school career with 155 tackles and three interceptions.
His athletic achievements helped him secure an opportunity to play college football at Oklahoma State University.
Thomas Harper’s College Football Career at Oklahoma State
Thomas Harper joined Oklahoma State University’s football program in 2019.
The decision allowed him to follow his older brother Devin, who was already a member of the Cowboys.
During his freshman season, Thomas appeared in 12 games, contributing primarily on special teams.
He recorded 13 tackles and gained valuable experience in a major college football program.
In 2020, he appeared in 11 games and made his first career start.
He recorded 31 tackles, one interception, three passes defended and one fumble recovery.
His performances also earned Second-Team Academic All-Big 12 recognition.
Harper continued contributing in 2021, appearing in 12 games and recording 20 tackles and a forced fumble.
One of his most memorable plays occurred against Oklahoma quarterback Caleb Williams during the Bedlam rivalry game.
Harper forced a fumble that helped Oklahoma State secure an important victory.
In 2022, he made seven starts before a shoulder injury interrupted his season.
He recorded 30 tackles and one interception during that campaign.
After four seasons at Oklahoma State, Harper decided to transfer to Notre Dame for his final year of college eligibility.
Thomas Harper’s Final College Season at Notre Dame
Harper transferred to the University of Notre Dame in 2023.
The move provided an opportunity to compete in a different defensive system while preparing for the NFL.
He became an important part of Notre Dame’s secondary, primarily playing nickel cornerback and safety.
During his only season with the Fighting Irish, Harper appeared in 11 games and made 10 starts.
He recorded 39 tackles, six tackles for loss, two sacks, three passes defended and one forced fumble.
His experience and versatility made him a valuable contributor to Notre Dame’s defense.
He also developed a close relationship with defensive backs coach Chris O’Leary, whom he later identified as an important influence on his football career.
After the season, Harper began preparing for the 2024 NFL Draft.
Thomas Harper’s Education and Personal Interests
Education has been an important part of Thomas Harper’s development.
During high school, he earned honor roll recognition and participated in Mu Alpha Theta, an organization promoting achievement in mathematics.
At Oklahoma State, Harper studied management and received Academic All-Big 12 recognition.
He also developed an interest in reading books focused on leadership, personal growth and communication.
In a 2023 interview, he discussed reading books such as “The Servant” by James C. Hunter and “How to Win Friends and Influence People in the Digital Age” by Dale Carnegie.
Harper explained that he enjoyed learning lessons that could help him improve both as an athlete and as a person.
His interest in leadership reflected the influence of family members who encouraged him to support others throughout his life.
Thomas Harper’s NFL Career: Chargers, Raiders and Lions
Thomas Harper entered the NFL in 2024 after completing his college football career at Notre Dame.
Although he was not selected during the NFL Draft, the Los Angeles Chargers signed him as an undrafted free agent.
He participated in the Chargers’ offseason program and training camp but was waived during final roster adjustments.
On August 28, 2024, the Las Vegas Raiders claimed Harper off waivers.
He earned a position on their regular-season roster and made his NFL debut that year.
Harper appeared in 15 games for Las Vegas, making five starts.
According to the Detroit Lions’ official statistics, he recorded 18 tackles, two passes defended, one interception, one fumble recovery and half a sack during his rookie season.
His performances demonstrated his ability to contribute on defense and special teams.
Thomas Harper Joins the Detroit Lions
On August 29, 2025, the Detroit Lions claimed Thomas Harper off waivers from the Las Vegas Raiders.
The move reunited him with former Oklahoma State teammate Malcolm Rodriguez, who had joined Detroit in the 2022 NFL Draft.
Harper initially provided depth in the Lions’ defensive backfield and contributed on special teams.
However, injuries to other defensive players created additional opportunities during the season.
He eventually earned a regular starting role at safety.
During the 2025 season, Harper appeared in 12 games and made nine starts.
He recorded 37 combined tackles, five passes defended, one interception, one forced fumble and one tackle for loss.
His performances helped establish him as a valuable member of Detroit’s secondary.
Thomas Harper’s Injury During the 2026 NFL Season
Harper began the 2026 season as a member of the Detroit Lions, wearing jersey number 12.
He appeared in Detroit’s first two games, recording five tackles and two passes defended.
However, he suffered an ankle injury during the Lions’ Week 2 game against the Buffalo Bills.
The injury prevented him from participating in subsequent practices.
On September 26, 2026, the Lions placed Harper on injured reserve.
According to the team’s official reporting, the move required him to miss at least four games before becoming eligible to return.
By late October, head coach Dan Campbell indicated that Harper was progressing well in rehabilitation and was approaching readiness to practice again.
However, the coaching staff was considering delaying the opening of his practice window until additional defensive depth became necessary.
As of now, Harper remains under contract with the Detroit Lions and is recovering from his ankle injury.
Frequently Asked Questions About Thomas Harper’s Family
Who is Thomas Harper’s girlfriend?
As of now, Thomas Harper has not publicly confirmed the identity of a girlfriend. His current romantic relationship status remains private.
Is Thomas Harper married?
There is no reliable public confirmation that Thomas Harper is married or has a wife.
Does Thomas Harper have children?
As of now, Thomas Harper has no publicly confirmed children. He does have a nephew named Camden Ryder Harper, who is the son of his older brother Devin.
Who is Thomas Harper’s father?
Thomas Harper’s father is Kevin Harper, a former college basketball player whose identity is confirmed in Oklahoma State and Notre Dame athletic biographies.
Who is Thomas Harper’s mother?
His mother is Alacia Harper, who has publicly discussed the importance of family support and the influence of her late brother Mike on her sons’ athletic development.
Does Thomas Harper have siblings?
Yes. Thomas Harper has a publicly confirmed older brother named Devin Harper.
Who is Devin Harper?
Devin Harper is Thomas Harper’s older brother and a former NFL linebacker. He played college football at Oklahoma State before being selected by the Dallas Cowboys in the sixth round of the 2022 NFL Draft.
Who is Thomas Harper’s nephew?
Thomas Harper’s nephew is Camden Ryder Harper, the son of Devin Harper. Camden was born on August 9, 2019.
Who was Thomas Harper’s Uncle Mike?
Uncle Mike was the brother of Thomas’s mother, Alacia. He encouraged Thomas and Devin to participate in sports and became an important childhood mentor before dying from multiple myeloma in May 2020.
Where is Thomas Harper from?
Thomas Harper was born and raised in Knoxville, Tennessee, where he attended Karns High School.
How old is Thomas Harper?
Thomas Harper was born on November 5, 2000. He is 25 years old as of now.
Did Thomas Harper play college football with his brother?
Yes. Thomas and his older brother Devin both played football at Oklahoma State University, where Devin was a linebacker and Thomas played defensive back.
Was Thomas Harper drafted into the NFL?
No. Thomas Harper entered the NFL as an undrafted free agent in 2024 after signing with the Los Angeles Chargers.
What NFL team does Thomas Harper play for?
As of now, Thomas Harper is a safety for the Detroit Lions. He joined the franchise in August 2025 and was placed on injured reserve in September 2026 because of an ankle injury.

Tanos Potter is a sports journalist and NFL analyst dedicated to bringing fans closer to the gridiron through deep tactical analysis and roster coverage. He breaks down offensive and defensive schemes, quarterback performance, trade moves, and top Draft prospects. Tracking action across both the AFC and NFC, Tanos translates complex playbooks and statistics into engaging, actionable insights for football enthusiasts.
