Thomas Boone Quaid: Age, Family, Education and Life in 2026

Thomas Boone Quaid is the son of actor Dennis Quaid and Kimberly Buffington and the twin brother of Zoe Grace Quaid. Born in 2007, he grew up as part of a well-known Hollywood family but has largely stayed away from the entertainment industry himself.

A serious medical emergency that occurred in his early childhood and his recent graduation from high school and his entry into college at the University of Colorado Boulder were his most defining milestones. It has also been reported that he is studying business. 

Thomas Boone Quaid at a Glance

No further details have been provided beyond the basic family and birth information, and the 2026 graduation and college information was verified by PEOPLE in its reporting on the Quaid twins, who will start college at the same time. 

Early Life and Birth

A twin birth in Santa Monica

Thomas Boone Quaid was born November 8, 2007, in Santa Monica, California. He and his twin sister Zoe Grace Quaid were conceived by a gestational carrier. Thomas was born first at 6.26 am, weighing 6 lb 12 oz, and Zoe was born two minutes later. 

The twins were born approximately four weeks prematurely and were initially reported by their parents to be healthy. Later, Dennis and Kimberly Quaid spoke about the birth of their children and what happened afterward in front of the U.S. House Committee on Oversight and Government Reform. 

His parents

Thomas is the son of Dennis Quaid and one of three children. His father is the American actor Dennis Quaid, and his mother is Kimberly Buffington, who was married to him in 2004. Thomas and Zoe are twins. 

Dennis Quaid also has an older son named Jack Quaid, the son he has with actress Meg Ryan. Jack Thomas, thus, is the half-brother of the following. 

The 2007 Medical Emergency

Thomas’s childhood was made famous when he had a severe drug mistake shortly after his birth. Thomas and Zoe were immediately sent to Cedars-Sinai Medical Center at 11 days old because their parents noticed signs of infection. The babies were both staph-positive and needed hospital care and intravenous antibiotics as a result of medical testing. 

In their hospital stay, the twins received 1,000 times the proper dose of the blood thinner heparin by mistake. The babies were given the heparin with a concentration of 10,000 units per milliliter, not 10 as they were supposed to be given, according to the contemporary reporting. 

Recovery

The drug incident threatened the lives of both newborns, who survived. Thomas and Zoe both spent 11 days in intensive care, but were reported as making a full recovery by the Los Angeles Times. Both infants had been discharged from the hospital by early December, 2007. 

This incident later went on to be the subject of a legal battle and discussion of medication safety in the public sphere. In May 2008, Dennis and Kimberly Quaid appeared before Congress to share their story with their newborn children and their concerns about the safety of pharmaceuticals. 

There are also court records pertaining to the incident. The opinion of the appellate court in Illinois in the case of Quaid v. Baxter Healthcare Corporation outlined the issues with the medication, its packaging, and the subsequent litigation. 

Family Background

Zoe Grace Quaid

Zoe Grace Quaid is Thomas’ twin sister. The two were born within two minutes of each other, and faced the same birth complication. 

The twins were close enough in age and family background that they were able to achieve a number of significant milestones together. Both of them graduated from high school and went to college in 2026, but they attended different schools. 

Jack Quaid

Thomas’s older half-brother is Jack Quaid. Jack was born in 1992 to his parents Dennis Quaid and Meg Ryan before going on to have a career in film and television. 

Thomas’ public life has been different. Thomas’ reporting, however, focuses on his college moves and education, not his acting career, as Jack did become an acting professional. 

Education

There is not much known about Thomas’ early schooling from the main sources, and it was a relatively private one.

The most recent update on education was in 2026. Thomas will be a graduate from high school on June 3, 2026, in Los Angeles. Other family members and Dennis Quaid were in attendance for the graduation. 

Graduating from high school into college. Thomas didn’t stay in California to go to school, so he went to Colorado. 

College and Business Studies

University of Colorado Boulder

Thomas Boone Quaid is a student at the University of Colorado Boulder. In an interview with PEOPLE in August 2026, Dennis Quaid revealed that his twins had begun college and that he recently dropped them off. 

A September 2026 interview with PEOPLE confirmed that Thomas was at the University of Colorado Boulder while his twin sister went to the University of Virginia. According to the same report, both twins are majoring in business.

A new stage in 2026

Of his personal life, nothing recent is publicly documented except his move to college. It also gives a more contemporary view than older online versions of his biography, which feature college as a future event.

According to the reporting available up to 2026, he has already begun university. Not enough reliable public data to identify a business concentration, anticipated graduation date, or a career path.

Career and Public Profile

There is no major reliable source to document Thomas Boone Quaid’s professional acting career. His Hollywood ties are largely due to his family, his father Dennis Quaid and half-brother Jack Quaid. 

This is important because if Thomas was born into a family of actors, this still does not make him one. He has been in the news recently for his graduation and business and college studies instead of film and television work. 

He also has modestly solid insight into his long-term career objectives. By taking business studies, he is documenting his current education and will not determine what his future career will be after his college graduation.

Life in 2026

Thomas Boone Quaid had a lot of changes in his life during his growing-up years. He finished high school in June and started college at the University of Colorado Boulder later that year. 

In September 2026, Dennis Quaid said that his 18-year-old twins had left home for college and that he missed them. He also confirmed that Thomas was a business student at Colorado and Zoe is a business student at the University of Virginia. 

In addition to those things, Thomas has a fairly private public profile. Reliable reports do not give such detailed information about his daily life at college, relating to his relationships, personal interests, and plans for the future, that such details should not be given as facts.

Thomas Boone Quaid and Dennis Quaid

On a few occasions, Dennis Quaid has been public about his children, such as during the twins’ college years. He explained he was very emotional about dropping off Thomas and Zoe at college in 2026 and taking a moment to consider the start of his youngest kids’ lives outside the home. 

What’s significant about the college transition is that Thomas and Zoe are the youngest children of Dennis Quaid. Both twins are now at a new phase of fatherhood, as they have begun university, the actor has said. 

The Quaid Family Today

Thomas is part of a family with three children from Dennis Quaid’s relationships. Jack is the eldest, and Thomas and Zoe are the younger of the two twins born in 2007. 

The three siblings have gone their own separate ways. Jack is an actor, and Thomas and Zoe are both in college in 2026; both are said to be studying business at their university. 

Thomas’ pertinent present information is his transition into higher education. His public life is no longer focused on his infancy, but is now focused on the focus of life as a college student.

Thomas Boone Quaid Timeline

• November 8, 2007: Thomas Boone Quaid was born in Santa Monica, California.
• November 2007: Thomas and Zoe were hospitalized after developing staph infections.
• November 2007: The twins received an accidental high-concentration heparin dose during treatment. 
• December 2007: Thomas and Zoe were released from the hospital after recovering. 
• May 2008: Dennis and Kimberly Quaid testified before Congress about the medication incident. 
• June 3, 2026: Thomas graduated from high school in Los Angeles. 
• August 2026: Thomas began college at the University of Colorado Boulder. 
• September 2026: Dennis Quaid confirmed that Thomas was studying business at Colorado.

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Frequently Asked Questions

How old is Thomas Boone Quaid?

Thomas Boone Quaid is 18 years old in 2026. He was born on November 8, 2007. 

Who is Thomas Boone Quaid’s father?

His father is the American actor Dennis Quaid. 

Who is Thomas Boone Quaid’s mother?

His mother is Kimberly Buffington. 

Does Thomas Boone Quaid have a twin?

Yes. His twin sister is Zoe Grace Quaid, who was born two minutes after him. 

Is Jack Quaid Thomas Boone Quaid’s brother?

Yes. Thomas’s older half-brother is Jack Quaid. 

Where does Thomas Boone Quaid go to college?

Thomas is a student at the University of Colorado Boulder. 

What is Thomas Boone Quaid studying?

PEOPLE reported that he is learning business. 

What happened to Thomas Boone Quaid as a baby?

Thomas and his twin sister were admitted to the hospital with staph infections and were given an excess of high concentrations of heparin. Both recovered from the incident.