Thomas Boone Quaid is the son of Hollywood actor Dennis Quaid and real estate professional Kimberly Buffington. He was born on November 8, 2007, in Santa Monica, California, alongside his twin sister, Zoe Grace Quaid. His older half-brother is actor Jack Quaid. Thomas gained national attention after surviving a serious heparin overdose at Cedars-Sinai Medical Center shortly after birth. The incident led his father to become a patient-safety advocate. Now 18 years old in October 2026, Thomas has graduated from high school and started college at the University of Colorado Boulder. Despite his family’s Hollywood connections, he keeps most of his personal life private.
- Who Is Thomas Boone Quaid?
- Thomas Boone Quaid’s Birth and Early Life
- The 2007 Heparin Overdose: What Happened to Thomas Boone Quaid?
- The Medical Emergency at Cedars-Sinai Medical Center
- How the Heparin Medication Error Occurred
- Emergency Treatment and Recovery
- Why the Incident Became a National Patient-Safety Concern
- Dennis Quaid’s Patient-Safety Advocacy and Healthcare Reforms
- The Quaid Family’s Response to the Medical Crisis
- The Quaid Foundation and Patient Safety Movement
- Congressional Testimony and Public Awareness
- Chasing Zero and Other Patient-Safety Initiatives
- Legal Proceedings, Hospital Accountability, and the Heparin Settlement
- Cedars-Sinai Settlement and Legal Timeline
- Baxter Healthcare and Medication Packaging Concerns
- Medication-Safety Changes and Lasting Impact
- Thomas Boone Quaid’s Parents and Family Background
- Dennis Quaid: Father, Actor, and Advocate
- Kimberly Buffington: Mother and Real Estate Professional
- Dennis Quaid and Kimberly Buffington’s Marriage and Divorce
- Thomas Boone Quaid’s Siblings and Extended Family
- Jack Quaid: His Older Half-Brother
- Laura Savoie: Dennis Quaid’s Wife and Thomas’s Stepmother
- Randy Quaid, Meg Ryan, and the Quaid Family Legacy
- Thomas Boone Quaid’s Education and Academic Journey
- School Years and High School Graduation in 2026
- University of Colorado Boulder and College Life
- Academic Interests, Hobbies, and Career Development
- Thomas Boone Quaid’s Life Away From Hollywood
- Growing Up With Famous Parents
- Privacy, Media Attention, and Public Appearances
- Social Media Presence and Online Identity
- Is Thomas Boone Quaid Following His Father’s Acting Career?
- Thomas Boone Quaid’s Net Worth and Family Financial Background
- Does Thomas Boone Quaid Have a Verified Net Worth?
- Dennis Quaid’s Divorce Settlement and Child-Support Proceedings
- Where Is Thomas Boone Quaid Today in 2026?
- Lesser-Known Facts About Thomas Boone Quaid
- What Is Confirmed About Thomas Boone Quaid and What Remains Private?
- Conclusion
- FAQs
- Who are Thomas Boone Quaid’s parents?
- How old is Thomas Boone Quaid in 2026?
- Who is Thomas Boone Quaid’s twin sister?
- What happened to Thomas Boone Quaid as a baby?
- Is Thomas Boone Quaid related to Jack Quaid?
- Is Thomas Boone Quaid an actor like Dennis Quaid?
- Where does Thomas Boone Quaid go to college?
- What is Thomas Boone Quaid’s net worth?
Who Is Thomas Boone Quaid?
Thomas Boone Quaid is an American college student and member of a well-known entertainment family. His father built a long career in Hollywood, while Thomas has grown up mostly outside the public spotlight.
He is also part of a family that includes several successful film and television actors.
Thomas Boone Quaid’s Biography and Quick Facts
| Detail | Information |
| Full name | Thomas Boone Quaid |
| Date of birth | November 8, 2007 |
| Age | 18 years, as of October 2026 |
| Birthplace | Santa Monica, California |
| Nationality | American |
| Zodiac sign | Scorpio |
| Father | Dennis Quaid |
| Mother | Kimberly Buffington |
| Twin sister | Zoe Grace Quaid |
| Half-brother | Jack Quaid |
| Education | University of Colorado Boulder |
| Known for | Dennis Quaid’s son and survivor of a 2007 medication error |
How Old Is Thomas Boone Quaid in 2026?
Thomas Boone Quaid is 18 years old as of October 15, 2026. Born on November 8, 2007, he will celebrate his 19th birthday on November 8, 2026.
He turned 17 in 2024 and reached adulthood in 2025. His high school graduation in 2026 marked another milestone.
Thomas Boone Quaid’s Birth and Early Life
Thomas was born in Santa Monica, California. He arrived about four weeks early but initially appeared to be doing well.
His parents had already experienced pregnancy difficulties before welcoming their twins.
Birth Through Gestational Surrogacy
Thomas and his sister were born through a gestational carrier. Their biological parents are Dennis Quaid and Kimberly Buffington.
The couple chose this arrangement after experiencing miscarriages. Both babies arrived on November 8, 2007.
Thomas Boone Quaid and His Twin Sister Zoe Grace
Thomas arrived at approximately 8:26 a.m. Zoe Grace followed two minutes later.
Thomas weighed 6 pounds, 12 ounces at birth. His sister weighed 5 pounds, 9 ounces.
The twins shared the same medical emergency during infancy. They later graduated from high school in 2026 before choosing universities in different states.
The 2007 Heparin Overdose: What Happened to Thomas Boone Quaid?
The Medical Emergency at Cedars-Sinai Medical Center
In November 2007, Thomas and Zoe developed staph infections. Doctors admitted them to Cedars-Sinai Medical Center in Los Angeles.
Thomas had an infection around his belly button, while Zoe needed treatment for a finger infection.
On November 18, hospital staff accidentally administered an excessive concentration of heparin.
The medication error placed both newborns in critical danger.
How the Heparin Medication Error Occurred
Heparin is a blood thinner used to prevent blood clots. Hospitals also use diluted forms to keep intravenous lines open.
The twins were supposed to receive a low-concentration preparation. Instead, nurses administered a product with 1,000 times the intended concentration.
| Medication detail | Concentration |
| Intended concentration | 10 units/mL |
| Administered concentration | 10,000 units/mL |
| Difference | 1,000 times |
The mistake involved high-concentration medication that could be confused with the pediatric product.
Hospital investigations identified failures in medication checks and administration procedures.
Emergency Treatment and Recovery
Medical staff discovered the error and began emergency treatment. Doctors monitored the twins’ blood-clotting ability.
Excessive heparin can cause dangerous bleeding because it prevents blood from clotting normally.
Both children survived and left the hospital in early December 2007.
Why the Incident Became a National Patient-Safety Concern
The case attracted national attention because it involved a preventable medication error.
Similar mistakes involving heparin had harmed other infants.
The incident increased public concern about pharmaceutical packaging and hospital safety procedures.
Dennis Quaid’s Patient-Safety Advocacy and Healthcare Reforms
The Quaid Family’s Response to the Medical Crisis
Dennis Quaid began speaking publicly about preventable medical errors after his children recovered.
He believed hospitals needed stronger safeguards when administering high-risk medications.
Kimberly Buffington supported efforts to increase awareness of medication safety.
The Quaid Foundation and Patient Safety Movement
Dennis helped establish the Quaid Foundation to promote patient safety.
The family’s experience also brought attention to healthcare organizations working to prevent medical harm.
The Patient Safety Movement Foundation supports efforts to reduce preventable deaths. TMIT has also worked on healthcare safety and quality improvement.
Congressional Testimony and Public Awareness
On May 14, 2008, Dennis and Kimberly testified before a U.S. House committee.
Their testimony addressed drug safety and the rights of patients harmed by medication errors.
Dennis argued that pharmaceutical manufacturers should remain accountable for harmful labeling problems.
Chasing Zero and Other Patient-Safety Initiatives
Dennis participated in Chasing Zero, a documentary focused on preventable medical harm.
The project examined how communication failures and unsafe procedures can harm patients.
It promoted stronger healthcare practices and greater attention to medication errors.
Legal Proceedings, Hospital Accountability, and the Heparin Settlement
Cedars-Sinai Settlement and Legal Timeline
In December 2008, the Quaid family reached a $750,000 settlement with Cedars-Sinai Medical Center.
The agreement addressed the medication incident involving the twins.
Court documents identified the hospital as a potential defendant. The settlement was separate from the family’s lawsuit against the manufacturer.
Baxter Healthcare and Medication Packaging Concerns
Baxter Healthcare manufactured the heparin products involved in the case.
The Quaids alleged that similar-looking packaging made dangerous medication mistakes more likely.
Their lawsuit questioned whether manufacturers had provided adequate warnings.
Medication-Safety Changes and Lasting Impact
The incident highlighted several safeguards that healthcare providers can use to reduce medication errors:
- Clear labels showing drug concentrations.
- Barcode scanning before administration.
- Separate storage for high-risk medications.
- Independent checks of pediatric doses.
- Stronger staff training and patient identification.
Cedars-Sinai acknowledged safety failures connected to the overdose.
Thomas Boone Quaid’s Parents and Family Background
Dennis Quaid: Father, Actor, and Advocate
Dennis Quaid was born on April 9, 1954. He became widely known through his work in American cinema.
His notable films include The Right Stuff and The Parent Trap. He also starred in The Rookie and The Day After Tomorrow.
Alongside acting, Dennis has pursued music and patient-safety advocacy.
Kimberly Buffington: Mother and Real Estate Professional
Kimberly Buffington is a real estate professional from Texas.
She married Dennis in 2004 and welcomed their twins in 2007.
After the hospital incident, Kimberly joined efforts to improve public awareness of medication errors.
Dennis Quaid and Kimberly Buffington’s Marriage and Divorce
The couple married in July 2004. Their relationship later experienced separation and reconciliation.
They finalized their divorce in 2018.
Their agreement addressed property division and financial support for their children.
Thomas Boone Quaid’s Siblings and Extended Family
Jack Quaid: His Older Half-Brother
Jack Quaid was born on April 24, 1992. His mother is actress Meg Ryan.
Jack started his film career with The Hunger Games. He later gained wider recognition through The Boys.
Thomas and Jack share the same father.
Laura Savoie: Dennis Quaid’s Wife and Thomas’s Stepmother
Dennis married Laura Savoie in June 2020.
Their wedding took place in Santa Barbara during the COVID-19 pandemic.
Laura has an academic and business background. She joined Dennis at Thomas’s high school graduation in 2026.
Randy Quaid, Meg Ryan, and the Quaid Family Legacy
Randy Quaid is Dennis’s older brother and an established actor.
Meg Ryan is Jack Quaid’s mother and a well-known Hollywood actress.
These family connections link Thomas to several generations of American entertainment.
Thomas Boone Quaid’s Education and Academic Journey
School Years and High School Graduation in 2026
Thomas graduated from high school on June 3, 2026.
The graduation ceremony took place in Los Angeles. Both parents attended the event.
Laura Savoie was also present, and Dennis spoke during the ceremony.
University of Colorado Boulder and College Life
Thomas began attending the University of Colorado Boulder in 2026.
His father confirmed the college move during a September interview with People.
Zoe Grace chose the University of Virginia, placing the twins in different states.
Thomas’s specific academic major has not been publicly announced.
Academic Interests, Hobbies, and Career Development
Thomas has kept his academic interests and hobbies largely private.
His family’s professional background includes acting and music, but he has not announced a career in either field.
College offers him opportunities to explore different subjects and career paths.
Thomas Boone Quaid’s Life Away From Hollywood
Growing Up With Famous Parents
Thomas grew up with a recognizable family name.
However, he did not pursue the highly public childhood sometimes associated with celebrity families.
His parents shared occasional updates while keeping most of his upbringing private.
Privacy, Media Attention, and Public Appearances
The 2007 hospital emergency brought Thomas national media attention.
More recent coverage has focused on family milestones, especially his graduation and college enrollment.
He has not built a regular public presence through entertainment interviews.
Social Media Presence and Online Identity
Thomas does not have a widely verified public Instagram or TikTok account.
Profiles using his name should not automatically be considered authentic.
His public updates generally come through family interviews and media reports.
Is Thomas Boone Quaid Following His Father’s Acting Career?
Thomas has not established a professional acting career.
Dennis has worked in Hollywood for decades. Jack has also built a successful film and television career.
Thomas has followed an educational path instead, enrolling at college in 2026.
He has not announced any verified professional acting projects.
Thomas Boone Quaid’s Net Worth and Family Financial Background
Does Thomas Boone Quaid Have a Verified Net Worth?
Thomas does not have a publicly verified personal net worth.
He has not reported professional acting earnings or significant business income.
His father’s financial success should not be confused with Thomas’s personal assets.
Dennis Quaid’s Divorce Settlement and Child-Support Proceedings
In May 2026, Dennis filed a petition involving monthly child-support payments of $13,750.
The request followed the twins’ expected completion of high school.
His 2018 divorce agreement included conditions allowing payments to end after certain educational milestones.
These payments were parental financial obligations, not Thomas’s personal income.
Where Is Thomas Boone Quaid Today in 2026?
As of October 2026, Thomas is an 18-year-old college student.
He began attending the University of Colorado Boulder after graduating from high school.
Dennis discussed dropping both twins off at their universities in September 2026.
Thomas continues to keep his personal and professional plans largely private.
Lesser-Known Facts About Thomas Boone Quaid
Several documented details distinguish Thomas’s biography:
- He was born two minutes before his twin sister.
- Both twins arrived through gestational surrogacy.
- They survived a serious heparin overdose in 2007.
- His parents testified before Congress in 2008.
- He graduated from high school in June 2026.
- His college is in Colorado, while Zoe studies in Virginia.
His middle name, Boone, has been associated with American pioneer Daniel Boone, although the family has not publicly confirmed that connection.
What Is Confirmed About Thomas Boone Quaid and What Remains Private?
Thomas’s birth date and immediate family relationships are publicly documented.
His childhood hospital emergency also has a detailed record through medical reporting and legal proceedings.
The family publicly confirmed his 2026 graduation and college destination.
He maintains privacy around romantic relationships and personal finances. He has not announced a professional acting career or publicly identified his college major.
Conclusion
Thomas Boone Quaid is the son of Dennis Quaid and the twin brother of Zoe Grace Quaid. Born in 2007, he survived a serious medication overdose that later inspired patient-safety advocacy.
He grew up connected to Hollywood but has not entered professional acting. Following his 2026 high school graduation, he started college in Colorado. At 18, he is beginning adulthood while maintaining a largely private life.
FAQs
Who are Thomas Boone Quaid’s parents?
Thomas Boone Quaid’s parents are Hollywood actor Dennis Quaid and real estate professional Kimberly Buffington. They married in 2004 and finalized their divorce in 2018.
How old is Thomas Boone Quaid in 2026?
Thomas Boone Quaid was born on November 8, 2007, and is 18 years old as of October 2026. He will turn 19 in November.
Who is Thomas Boone Quaid’s twin sister?
Thomas Boone Quaid’s twin sister is Zoe Grace Quaid. Both were born on November 8, 2007, in Santa Monica, California, through gestational surrogacy.
What happened to Thomas Boone Quaid as a baby?
Thomas and Zoe received a dangerous heparin overdose at Cedars-Sinai Medical Center in November 2007. Both infants survived after receiving emergency treatment.
Is Thomas Boone Quaid related to Jack Quaid?
Yes. Jack Quaid is Thomas Boone Quaid’s older half-brother. Their father is Dennis Quaid, while Jack’s mother is actress Meg Ryan.
Is Thomas Boone Quaid an actor like Dennis Quaid?
Thomas Boone Quaid has not established a professional acting career like his father, Dennis Quaid, or his older half-brother, Jack Quaid.
Where does Thomas Boone Quaid go to college?
Thomas Boone Quaid attends the University of Colorado Boulder. His father confirmed his college destination in September 2026 following his high school graduation.
What is Thomas Boone Quaid’s net worth?
Thomas Boone Quaid’s personal net worth has not been publicly verified. His father’s financial assets and child-support arrangements do not establish Thomas’s personal wealth.
