Thomas Boone Quaid is the son of American actor Dennis Quaid and Kimberly Buffington. He was born on November 8, 2007, along with his twin sister, Zoe Grace Quaid.
Thomas and Zoe became widely known after surviving a serious medication error shortly after their birth. They recovered, and their father later became involved in raising awareness about medical safety.
Thomas Boone Quaid’s Quick Facts
| Detail | Information |
|---|---|
| Full name | Thomas Boone Quaid |
| Date of birth | November 8, 2007 |
| Age | 18 as of September 2026 |
| Birthplace | Santa Monica, California, USA |
| Nationality | American |
| Father | Dennis Quaid |
| Mother | Kimberly Buffington |
| Twin sister | Zoe Grace Quaid |
| Older half-brother | Jack Quaid |
| Known for | Being Dennis Quaid’s son |
| Education | Not publicly confirmed |
| Profession | No public profession confirmed |
| Relationship status | Not publicly confirmed |
| Net worth | Not reliably known |
Thomas Boone Quaid’s Birth
Thomas was born on November 8, 2007, in Santa Monica, California.
He and his twin sister were born through a gestational carrier.
Thomas reportedly arrived at 8:26 a.m., two minutes before Zoe. He weighed 6 pounds, 12 ounces at birth.
Zoe weighed 5 pounds, 9 ounces.
Thomas is therefore the older of the twins by two minutes.
Who Are Thomas Boone Quaid’s Parents?
Thomas’ parents are Dennis Quaid and Kimberly Buffington.
The couple married in 2004. They later separated, and their marriage ended in divorce.
Kimberly has worked in real estate and has generally maintained a more private public profile.
Dennis and Kimberly later shared parenting responsibilities for Thomas and Zoe.
Who Is Dennis Quaid?
Dennis Quaid is an American actor who has worked in film and television for several decades.
He is known for movies including Breaking Away, The Right Stuff, The Parent Trap, The Rookie, and I Can Only Imagine.
Dennis has three children: Jack Quaid, Thomas Boone Quaid, and Zoe Grace Quaid.
He has spoken about enjoying simple parts of fatherhood, including taking Thomas and Zoe to school when they were younger.
Thomas Boone Quaid’s Twin Sister

Thomas’ twin sister is Zoe Grace Quaid.
Zoe was born two minutes after Thomas on November 8, 2007.
The twins have mostly grown up outside the public spotlight. Dennis Quaid has shared occasional updates about them but generally keeps details of their personal lives private.
What Happened to Thomas and Zoe After Birth?
Shortly after their birth, Thomas and Zoe developed staph infections.
They were admitted to Cedars-Sinai Medical Center in Los Angeles for treatment.
While they were in the hospital, a serious medication error occurred.
The twins were accidentally given 1,000 times the intended dose of heparin, a blood thinner.
Reports say they were supposed to receive 10 units but were given 10,000 units.
The overdose created a serious risk of uncontrolled bleeding.
Thomas and Zoe Recovered
Thomas and Zoe survived the medication error.
By early December 2007, they had recovered and were released from the hospital.
Dennis later said the twins were doing well and did not appear to have lasting problems from the overdose.
In a 2015 interview, he said they were healthy and doing very well at school.
These comments were made when Thomas and Zoe were younger and should not be treated as a current medical assessment.
The Quaid Foundation
The hospital incident led Dennis Quaid to become involved in patient-safety work.
He helped establish The Quaid Foundation, which focused on raising awareness about preventable medical mistakes.
Dennis also spoke publicly about medication safety and the experience his children had shortly after birth.
Legal action was also taken after the overdose. Reports say Dennis and Kimberly reached a settlement connected with the incident and that Dennis separately took legal action involving the maker of heparin.
Thomas Boone Quaid’s Older Brother
Thomas has an older paternal half-brother named Jack Henry Quaid.
Jack was born on April 24, 1992. His parents are Dennis Quaid and actress Meg Ryan.
Jack is an actor like both of his parents.
His acting credits include The Hunger Games, Vinyl, Scream, and The Boys.
Jack is about 15 years older than Thomas and Zoe.
Thomas Boone Quaid’s Education
Thomas’ school and detailed educational background have not been publicly confirmed.
Dennis previously said Thomas and Zoe were doing very well academically.
However, there is no reliable public information about Thomas’ current school, college, field of study, or future educational plans.
What Does Thomas Boone Quaid Do?
Thomas does not have a publicly established professional career.
There is no confirmed information showing that he works as an actor, musician, model, or in another public profession.
Unlike his father and older brother, Thomas has remained largely outside the entertainment industry and public spotlight.
Thomas Boone Quaid’s Relationship Status
Thomas’ current relationship status is not publicly confirmed.
There is no reliable public information about a girlfriend, partner, marriage, or children.
Details about his private relationships should not be assumed from unverified online reports.
Is Thomas Boone Quaid on Social Media?
There is no clearly verified public Instagram, TikTok, X, or other social media account belonging to Thomas.
Accounts using his name should not automatically be treated as official.
Thomas Boone Quaid’s Net Worth
Thomas Boone Quaid’s personal net worth is not reliably known.
He does not have a publicly established career or confirmed source of professional income.
Dennis Quaid’s wealth should not be presented as Thomas’ personal net worth.
Where Is Thomas Boone Quaid Now?
Thomas is now a young adult and continues to have a private life.
Older interviews from Dennis Quaid described Thomas and Zoe as healthy students who were doing well academically.
However, Thomas’ current education, profession, residence, and daily activities have not been publicly confirmed.
Facts About Thomas Boone Quaid
- Thomas Boone Quaid was born on November 8, 2007.
- He was born in Santa Monica, California.
- His parents are Dennis Quaid and Kimberly Buffington.
- He was born through a gestational carrier.
- His twin sister is Zoe Grace Quaid.
- Thomas is two minutes older than Zoe.
- He weighed 6 pounds, 12 ounces at birth.
- Thomas and Zoe survived a serious heparin overdose as newborns.
- They recovered and were released from the hospital in 2007.
- Their experience led Dennis Quaid to become involved in patient-safety awareness.
- Thomas’ older half-brother is actor Jack Quaid.
- His detailed education is not publicly known.
- He does not have a confirmed public career.
- His relationship status is private.
- His personal net worth is not reliably known.

