Zoe Grace Quaid is the daughter of actor Dennis Quaid and his former wife, Kimberly Buffington. She was born on November 8, 2007, in Santa Monica, California. Her twin brother is Thomas Boone Quaid, and her older half-brother is actor Jack Quaid. In 2026, Zoe graduated from high school and began studying business at the University of Virginia.

In this article, you’ll learn about Zoe’s family and early years. You’ll also learn about the hospital crisis she survived as a baby, her few public outings, and her life as a college student in 2026.

Her Birth and the Quaid Family

Zoe Grace Quaid and Thomas Boone Quaid were born on the same morning in 2007. Thomas came first, with Zoe arriving two minutes later. Their parents welcomed them through a gestational carrier. Dennis and Kimberly are the twins’ biological parents.

Dennis was already raising an older son, Jack, with actress Meg Ryan. Jack was born in 1992, more than 15 years before the twins. When Zoe and Thomas arrived, the family entered a new stage with two young children at once.

Dennis was a famous film star by then, but the twins were not child actors. Most news about Zoe came from family events. Her school years stayed largely outside the Hollywood spotlight.

Her Parents and Brothers

Dennis Quaid has starred in movies such as The Parent Trap, The Rookie, and Frequency. Zoe’s mother, Kimberly Buffington, was married to Dennis when the twins were born. Their divorce became final in 2018.

Jack followed his parents into acting. He has appeared in The Hunger Games and The Boys. Zoe and Thomas took a different path. They went through school away from the cameras and entered college in 2026.

Zoe is Dennis Quaid’s only daughter. She and Thomas are fraternal twins, so they share a birthday but are not identical. Jack is their older half-brother, and the three siblings share the same father.

The Serious Hospital Error After Her Birth

Zoe’s name first reached a wide audience for a frightening reason. Days after the twins were born, both needed care for staph infections. They were taken to Cedars-Sinai Medical Center in Los Angeles.

On November 18, 2007, the babies received the wrong strength of heparin. This drug helps prevent blood from forming clots. Hospitals may also use small amounts to keep an IV line clear. Too much can lead to severe bleeding.

The heparin given to Zoe and Thomas was 1,000 times stronger than intended. They received the high-strength medicine twice that day. By evening, hospital staff had seen signs of bleeding.

Dennis and Kimberly were told about the error the next morning. The Los Angeles Times described the emergency and the fear the parents felt as doctors worked to save the babies.

Their Recovery and the Push for Safer Care

Doctors gave the twins care to reverse the drug’s effects, then watched them closely. Both babies survived and later went home. In 2010, Dennis said on television that the twins were doing well and had suffered no lasting harm from the incident.

The case changed the way the family looked at hospital safety. Dennis and Kimberly called for better drug labels and stronger checks. They hoped other parents would not face the same danger.

Dennis also helped start the Quaid Foundation. The group focused on patient safety, with a goal of reducing medical mistakes. He spoke about safer ways to check drugs before they reach a patient.

The event drew national attention, but it was not the whole story of Zoe’s life. Once the twins recovered, the family had many quieter years. School and home life took the place of hospital news.

Growing Up Outside the Spotlight

Zoe Grace Quaid has a famous father and a half-brother with a film career. Yet she has not built a widely reported acting career of her own. Her public appearances have been rare, and most news about her comes through family milestones.

Dennis has spoken about how much he enjoys being a dad. He has said that raising children taught him patience. He has also talked with pride about Jack, Thomas, and Zoe. His words give a small view of family life.

A Red Carpet Outing With Dennis in 2024

On August 20, 2024, Zoe Grace Quaid went to the Los Angeles premiere of Reagan with her father. Dennis played former President Ronald Reagan in the film. The pair appeared together at the event, where photographers took their picture.

It was a rare public outing for Zoe. She had joined her father for an important night in his career, rather than to announce a film role of her own.

Fans who knew Dennis from his movies got to see him with his daughter. It was a brief look at their bond, not a sign that Zoe was starting a Hollywood career.

Her Camp Counselor Job During the 2025 Texas Floods

A year later, Zoe was in the news for a very different reason. In July 2025, deadly floods hit the Texas Hill Country. Zoe, then 17, was working as a counselor at a summer camp north of Kerrville.

Dennis heard about the floods that night and tried to reach his daughter. He could not speak to her until the next day. He then learned that she was safe.

Zoe was not working at Camp Mystic, where the flood caused a tragic loss of life. Her camp was farther north and was not hit by the worst of the storm. Dennis later shared his relief and expressed care for the families who had lost loved ones.

The news showed a part of Zoe’s life away from films and red carpets. She had spent that summer working with young campers. Her father had shared a rare detail about her everyday work.

Graduation and Her Move to College in 2026

Zoe Grace Quaid finished high school on May 23, 2026. Thomas graduated on June 3 at a ceremony in Los Angeles. The two then got ready to leave home for college.

Zoe chose the University of Virginia. Thomas chose the University of Colorado Boulder. Both twins are studying business, though their schools are in different states.

In an August 2026 interview with PEOPLE, Dennis said he had just dropped the twins off at school. He spoke about feeling proud while also wondering how they would manage on their own.

Business Studies at the University of Virginia

Zoe is studying business in Virginia. Her father shared that detail, but did not name a specific degree or future job. Her move to college is the newest major step in her education.

The twins shared their early years and many family events. College has now taken them to separate campuses. Each has new classes, daily tasks, and people to meet.

Dennis has said that he tells his children to find work they love. He has also talked about how emotional it felt to leave them at college. The moment brought back memories of when Jack left home for school.

For the Quaid family, the change means that both younger children have begun adult life. Zoe’s new school gives her space to learn and make her own choices about what comes next.

Zoe Grace Quaid’s Life Today

As of November 2026, Zoe Grace Quaid is 19 years old. She turned 19 on November 8. She is attending the University of Virginia and studying business. Her twin brother is at college in Colorado.

Her life has moved well beyond the health crisis that made news in 2007. She has grown up, worked at a Texas summer camp, attended a film premiere with her father, and finished high school.

Zoe’s story is different from that of Jack, who works as an actor. She is known today as Dennis Quaid’s daughter and a college student. Her choices after school will shape the next part of her own life.

From Santa Monica to a college campus in Virginia, Zoe has reached a new stage. For now, the clear news is her education and her growing independence, while most of her day-to-day life stays private.

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