Zoe Grace Quaid is the daughter of actor Dennis Quaid and his former wife, Kimberly Buffington. Born on November 8, 2007, in Santa Monica, California, she is the twin sister of Thomas Boone Quaid and the younger half-sister of actor Jack Quaid.
Her life became part of the public record after a serious 2007 medication error involving her and Thomas at Cedars-Sinai Medical Center. In later years, Zoe has mostly stayed out of the spotlight, with a few documented public appearances and a notable update from her father during the 2025 Texas floods.
Profile Summary: Zoe Grace Quaid
| Profile | Details |
|---|---|
| Full Name | Zoe Grace Quaid |
| Date of Birth | November 8, 2007 |
| Age in 2026 | 18 years old |
| Birthplace | Santa Monica, California, USA |
| Father | Dennis Quaid |
| Mother | Kimberly Buffington |
| Twin Brother | Thomas Boone Quaid |
| Half-Brother | Jack Quaid |
| Birth Method | Gestational carrier |
| Known Public Event | Reagan premiere, August 20, 2024 |
| 2025 Activity | Worked as a camp counselor in Texas |
| Personal Net Worth | Not publicly disclosed |
Who Is Zoe Grace Quaid?
Zoe Grace Quaid is one of the twin children of Hollywood actor Dennis Quaid and Kimberly Buffington. She was born in 2007 alongside her twin brother, Thomas Boone Quaid, while her older half-brother Jack Quaid was born during Dennis Quaid’s earlier marriage to Meg Ryan.
Zoe has generally maintained a private life despite her father’s long Hollywood career. Public reporting has focused mainly on her birth, the serious medical incident she experienced as a newborn, occasional appearances with her father, and more recent updates about her life as she entered adulthood.
When Was She Born?
Zoe Grace Quaid was born on November 8, 2007, in Santa Monica, California. Her twin brother, Thomas Boone Quaid, arrived two minutes earlier, making him the older twin.
The twins were born through a gestational carrier, with Dennis and Kimberly identified as their biological parents. Their birth was followed by a serious health crisis later that month, which became one of the most widely reported events connected to the Quaid family.
Dennis Quaid and Kimberly Buffington: Her Parents
Dennis Quaid is Zoe’s father, while Kimberly Buffington is her mother. The couple married in July 2004 and welcomed their twins three years later through a gestational carrier.
Their marriage later ended after several periods of separation and reconciliation. Their divorce was finalized in April 2018, and Dennis later married Laura Savoie in 2020.
Thomas Boone Quaid: Her Twin Brother
Thomas Boone Quaid is Zoe’s twin brother and was born just two minutes before her on November 8, 2007. The twins also shared the same serious medical emergency at Cedars-Sinai Medical Center later that month.
The pair recovered from the incident and were released from the hospital by early December 2007. Their early medical experience later became closely connected with their father’s public work around patient safety.
Jack Quaid: Her Older Half-Brother
Jack Quaid is Zoe’s older paternal half-brother and the son of Dennis Quaid and actress Meg Ryan. Born in 1992, Jack later developed his own acting career, including roles in The Hunger Games and The Boys.
The age difference means Jack was already an adult when Zoe and Thomas were born. His established entertainment career also gives Zoe a second close family connection to Hollywood, although she has largely remained outside that spotlight.
How Was She Born Through a Gestational Carrier?
Zoe and Thomas were born through a gestational carrier in 2007. Contemporary reporting identified Dennis and Kimberly as the twins’ biological parents and said the children were born on November 8 in Santa Monica.
The available records support the birth method but do not establish additional private reasons for the arrangement. Keeping that distinction clear avoids turning later speculation about the family’s personal circumstances into biography.
The 2007 Heparin Overdose
The major medical event in Zoe’s early life happened at Cedars-Sinai Medical Center in November 2007. Zoe and Thomas were being treated for infections when nurses mistakenly administered heparin at a concentration 1,000 times higher than the appropriate concentration.
The error placed both newborns at risk of serious bleeding. State regulators later identified several safety failures connected with the incident, including problems involving the medication’s handling and labeling.
How the Twins Recovered
Zoe and Thomas recovered after intensive medical treatment and were released by early December 2007. Reports said both infants had received treatment to reverse the effects of the heparin overdose.
The recovery became a major relief for their parents after days of uncertainty. Dennis and Kimberly later spoke publicly about the experience and its effect on their family.
The Quaid Foundation and Dennis Quaid’s Patient-Safety Advocacy
Following the incident, Dennis Quaid and Kimberly said they planned to establish a foundation focused on patient safety. Dennis subsequently became publicly involved in efforts to raise awareness about medical errors.
The event therefore became more than a family crisis in public reporting. It also helped shape Dennis’s later patient-safety advocacy, while Zoe herself has remained largely outside that public role.
Growing Up in the Quaid Family
Zoe grew up as one of Dennis Quaid’s three children, alongside Thomas and older half-brother Jack. Her father has spoken publicly about how becoming a parent changed his outlook and how much he values everyday time with his children.
Unlike Jack, whose career has made him a public entertainment figure, Zoe has generally stayed away from the media. This has left relatively little verified information about her private childhood, education, or personal interests.
Zoe’s Rare Public Appearance With Dennis Quaid
One of Zoe’s clearest documented public appearances came on August 20, 2024, when she attended the Los Angeles premiere of Reagan with Dennis Quaid at the TCL Chinese Theatre.
The appearance was significant because Zoe rarely attends major entertainment events publicly. Photographs from the premiere provide a documented glimpse of her accompanying her father at the film’s Los Angeles event.
What Happened During the 2025 Texas Floods?
In July 2025, Dennis Quaid said his daughter Zoe was working as a camp counselor in Texas when deadly flooding struck the Hill Country. He said her camp was several miles from Camp Mystic and was not directly affected.
Dennis also said he tried to contact Zoe after learning about the flooding but could not reach her that night. He later confirmed that she was safe, providing a rare public update about her life outside Hollywood.
What Is She Doing in 2026?
As of 2026, Zoe has reached adulthood and is 18 years old based on her November 8, 2007 birth date. Public reporting gives only limited information about her current daily life, which reflects the family’s long-standing approach to her privacy.
Some recent reports have mentioned education and college plans, but these details should be treated cautiously unless supported by a strong primary or reputable entertainment source. Her current personal schedule, residence, and private activities are not publicly disclosed.
Her Education and College Plans
Publicly available information about Zoe’s education remains limited. Reliable reporting does not provide enough detail to establish a specific high school, degree program, major, or complete college history.
For that reason, claims about a particular school or college should not be presented as established fact without stronger sourcing. Her educational plans are best described only when backed by a current, reputable report.
Does She Have an Acting Career?
Zoe is not publicly established as a professional actress. Although some online biographies claim she appeared in the 2019 film A Dog’s Journey, the available IMDb cast records do not list her among the film’s credited cast.
Her father and half-brother both have established acting careers, but that does not establish Zoe’s own career direction. There is currently no reliable basis for predicting whether she will pursue acting professionally.
How Private Is Her Life?
Zoe’s personal life remains largely private. Unlike her father and half-brother, she does not have a major public entertainment profile, and reputable coverage tends to focus on a small number of documented events.
That privacy also means details such as personal relationships, exact residence, private routines, and personal finances should not be filled in with estimates. Zoe Grace Quaid’s personal net worth is not publicly disclosed, so numerical online estimates should be avoided.
Zoe Grace Quaid’s Age in 2026
Zoe Grace Quaid is 18 years old in 2026. She was born on November 8, 2007, so she turned 18 on November 8, 2025.
Her age is one of the easiest verified facts about her because the birth date has been consistently reported. It also places her in the transition from adolescence into adulthood during 2026.
Zoe’s Family Today
Zoe’s immediate family includes her father Dennis Quaid, mother Kimberly Buffington, twin brother Thomas Boone Quaid, and older half-brother Jack Quaid. Dennis is now married to Laura Savoie, whom he wed in 2020.
Her family remains her strongest documented connection to the public eye. Beyond those established relationships, much of Zoe’s current personal life remains outside mainstream entertainment coverage.
Conclusion
Zoe Grace Quaid’s public story begins with her 2007 birth and the serious medical error involving her and Thomas later that year. She recovered and grew up within a famous Hollywood family while remaining far less visible than her father and half-brother.
Her documented public appearances have been limited, including the 2024 Reagan premiere and the 2025 news about her work as a camp counselor in Texas. Beyond those records, protecting her privacy is important because many details about her adult life have not been publicly established.
FAQs About Zoe Grace Quaid
Who is Zoe Grace Quaid?
Zoe Grace Quaid is the daughter of actor Dennis Quaid and Kimberly Buffington. She was born in 2007 and has a twin brother, Thomas Boone Quaid.
When was Zoe Grace Quaid born?
She was born on November 8, 2007, in Santa Monica, California, two minutes after her twin brother, Thomas.
What happened to Zoe Grace Quaid as a baby?
In November 2007, Zoe and Thomas were accidentally given a concentration of heparin that was 1,000 times higher than the appropriate concentration while being treated at Cedars-Sinai. Both recovered and were released from the hospital by early December.
How old is Zoe Grace Quaid in 2026?
Zoe Grace Quaid is 18 years old in 2026. Her date of birth is November 8, 2007.
Does Zoe Grace Quaid have siblings?
Yes. She has a twin brother, Thomas Boone Quaid, and an older paternal half-brother, Jack Quaid, whose mother is actress Meg Ryan.
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