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Thomas Boone Quaid is the son of actor Dennis Quaid and businesswoman Kimberly Buffington. He is also the twin brother of Zoe Grace Quaid and the younger half-brother of actor Jack Quaid. Thomas first came to public attention as a newborn in 2007, when a serious hospital error almost took his and his sister’s lives. Today, he is a private teenager who sometimes appears with his family but mostly grows up outside the spotlight.
Quick bio (at a glance)
| Fact | Details |
|---|---|
| Full name | Thomas Boone Quaid |
| Born | November 8, 2007 (age 17; turns 18 on November 8, 2025) |
| Parents | Dennis Quaid (actor) and Kimberly Buffington (businesswoman) |
| Twin sibling | Zoe Grace Quaid |
| Half-brother | Jack Henry Quaid (actor) |
| Birth/early info | Born via gestational carrier; brief NICU stay after birth |
| Known for | Survivor of a 2007 heparin overdose case as a newborn; family’s later work on patient safety |
| Citizenship | United States |
Early life and family
Thomas was born on November 8, 2007, alongside his twin sister, Zoe Grace. Their parents welcomed them with the help of a gestational carrier, a fact their publicist confirmed at the time.
Thomas is part of a well-known Hollywood family. His father, Dennis Quaid, is an American actor with a long career in film and TV. His older half-brother, Jack Quaid (born 1992 to Dennis Quaid and Meg Ryan), is also an actor known for The Boys and other projects. While Jack is very public, Thomas and Zoe have had a more private childhood, with only occasional updates shared by their parents.
In interviews, Dennis Quaid has said that everyday moments with the twins, like driving them to school and breakfast time, were special for bonding. He has also shared that the twins were thriving a decade after their early health scare.
The 2007 hospital error and what changed after
When Thomas and Zoe were two weeks old, a medication error at a Los Angeles hospital led to each twin receiving 1,000 times the intended dose of heparin, a blood thinner. The overdose made their blood unable to clot and put their lives at risk. The case received wide coverage and led to legal action and settlements.
The family later reached an agreement with the hospital, and Dennis Quaid spoke publicly about the incident. He described how the overdose turned the babies’ blood “the consistency of water.” It was a terrifying experience that changed how the family viewed hospitals and medical safety.
Following the event, Dennis Quaid began speaking publicly about reducing medical errors and the need for safer systems. He and Kimberly supported awareness efforts about look-alike drug packaging, staff checks, and better hospital protocols to protect children and newborns.
Thankfully, both Thomas and Zoe recovered. By 2018, their father shared that the twins were healthy and doing well ten years after the event.
Growing up mostly outside the spotlight
Unlike their older brother Jack, who acts in major projects, Thomas and Zoe have lived mostly private lives. Family profiles tend to share only general updates, noting that the twins are healthy and that their parents value normal routines. Public interviews about Dennis Quaid’s children highlight this privacy while confirming their well-being.
This choice is common for children of public figures. It allows a teen like Thomas to focus on school, friends, and hobbies without constant attention. There are no reliable public reports that Thomas is pursuing acting right now. When media outlets discuss the Quaid kids’ careers, they mostly focus on Jack, who is an adult and an established actor.
Siblings: Jack and Zoe
Jack Henry Quaid is Thomas’s older half-brother. He has built a career in film and TV, including The Boys and voice roles in animation. His profile helps many readers connect the family names, but it is good to remember that Jack’s career is separate from Thomas’s life as a teen.
Zoe Grace Quaid is Thomas’s twin. News from 2007–2018 often mentions them together, especially when covering the hospital incident and their recovery. As with Thomas, there is very little detailed, public information about Zoe beyond these early reports.
Parents: Dennis Quaid and Kimberly Buffington
Thomas’s parents were married from 2004 until their divorce years later. Kimberly Buffington is a real estate professional and businesswoman. Public information lists Thomas and Zoe as her children with Dennis Quaid.
Dennis Quaid has often spoken about fatherhood. He has described how raising the twins shaped his views and his daily life, stressing the value of simple family time and steady routines.
Why Thomas’s story matters
Thomas’s name appears in the news mainly because of what happened to him as a baby. That event led to wider talks about patient safety, especially for newborns. Articles and medical reviews point to issues like look-alike medication labels and the need for strict checks in pediatric care. His family’s response, speaking out and pushing for safer systems, helped keep these issues in the public eye.
At the same time, most coverage since then has respected the twins’ privacy. Reports over the years have kept to the basics: their healthy recovery, their family ties, and the message that medical systems can and must improve.
What we know and what we do not share
Because Thomas is a minor, public sources do not give details like his school, personal accounts, or daily schedule. Responsible reporting focuses on confirmed facts and avoids private details. This article follows that standard. It uses reliable, public information and keeps private life private.
Final thoughts
Thomas Boone Quaid’s story is, at its heart, a family story. It includes a frightening start, a strong recovery, and a steady life built with care and privacy. The medical event that once made headlines now serves as a reminder: systems matter, especially when the patients are the youngest among us. Thanks to trustworthy reports and medical reviews that studied the case, we can say two things with confidence. First, Thomas and his sister recovered and grew up healthy. Second, their experience helped shine a light on patient safety so that other families might be spared a similar scare.
Frequently asked questions
1) When was Thomas Boone Quaid born?
He was born on November 8, 2007.
2) Who are his parents?
His parents are Dennis Quaid and Kimberly Buffington.
3) Does Thomas have siblings?
Yes. He has a twin sister, Zoe Grace, and an older half-brother, Jack Quaid.
4) Why was Thomas in the news as a baby?
When he was two weeks old, a hospital error gave him and his twin 1,000 times the correct dose of the blood thinner heparin. Both recovered.
5) What happened after the overdose?
The family reached a settlement with the hospital and later spoke out about medical safety to help prevent similar errors.
6) How is Thomas doing now?
Reports and interviews say the twins were thriving years after the incident, and there have been no new health concerns reported publicly.
7) Is Thomas an actor like his father or brother?
There is no reliable public information that Thomas is acting. Media focus on acting is mostly about his older brother Jack.
8) What is the Quaid family’s role in patient safety?
Dennis Quaid has used the twins’ story to raise awareness on medical errors, discussing packaging, staff checks, and safer hospital systems.
9) Was Thomas born via surrogacy?
Yes. News at the time noted the twins were born with help from a gestational carrier.
10) How old is Thomas today?
As of October 30, 2025, he is 17 years old and will turn 18 on November 8, 2025.
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