Who Is Kimberly Buffington? The Compelling Life Tale of Dennis Quaid’s Ex-Wife

Kimberly Buffington is an American luxury real estate broker and businesswoman from Austin, Texas, widely recognised as the former wife of Hollywood actor Dennis Quaid. Before her marriage placed her in the public eye, she had already spent years building an independent career in the competitive Texas property market, working within Buffington Signature Homes, the homebuilding company founded by her father. Her life story covers a successful professional journey, a high-profile marriage, a frightening medical crisis involving her newborn twins, a well-publicised divorce, and a deliberate return to privacy after years under a very bright spotlight.

Kimberly Buffington: Quick Bio Table

Detail	Information
Full Name	Kimberly Kathryn Buffington
Date of Birth	October 17, 1971
Age (2026)	54 years old
Place of Birth	Austin, Texas, USA
Nationality	American
Ethnicity	White American
Religion	Christian
High School	Hyde Park Baptist High School, Austin
University	University of Texas at Austin
Father	Thomas B. Buffington (Founder, Buffington Signature Homes)
Mother	Ann Buffington
Siblings	Blake Buffington, Dow Wright, Robin Banister
Profession	Luxury Real Estate Broker
Employer	Buffington Signature Homes
Ex-Husband	Dennis Quaid (actor)
Marriage Date	July 4, 2004
Divorce Finalised	April 27, 2018
Children	Thomas Boone Quaid, Zoe Grace Quaid (fraternal twins, born November 8, 2007, via surrogate)
Estimated Net Worth	Approximately $3 million
Current Residence	Austin, Texas, USA
Social Media	No active public accounts

Early Life and Family Background

Kimberly Kathryn Buffington was born on October 17, 1971, in Austin, Texas, into a family with strong roots in real estate and homebuilding. Her father, Thomas B. Buffington, founded Buffington Signature Homes, one of Austin‘s most respected private homebuilding companies, and from an early age Kimberly was exposed to the business values, design sensibilities, and work ethic that would shape her entire career. She grew up alongside three siblings, Blake Buffington, Dow Wright, and Robin Banister, in a household that placed a high premium on professional integrity and family loyalty.

She completed her secondary education at Hyde Park Baptist High School in Austin before enrolling at the University of Texas at Austin, where she studied business. Rather than moving away from her home state after graduating, she channelled her education directly into the family industry, starting her career from the ground up. That decision reflected a personal steadiness and sense of purpose that would stay with her through every chapter of her adult life.

Real Estate Career

Kimberly Buffington entered the real estate profession at the age of just twenty, taking her first role as an on-site new home sales agent within the family business. She earned a top sales award in that very first year, an achievement that signalled a natural aptitude for the work and a drive to succeed independently of her family name. Over the next three decades, she developed into a respected luxury real estate broker specialising in high-end residential properties across the Austin market.

Her career never stalled, not even when her marriage to a famous actor brought cameras and media interest into her life. She continued managing property transactions, maintaining client relationships, and growing her expertise in the luxury property sector throughout her years as a public figure. Kimberly built her estimated net worth of approximately $3 million primarily through her own professional work, which makes her story meaningfully different from that of most individuals known mainly for a connection to celebrity.

Meeting Dennis Quaid and Marriage

Kimberly Buffington met actor Dennis Quaid in the early 2000s, and their relationship quickly drew attention from the entertainment press given Quaid’s long-standing profile in Hollywood. The couple married on July 4, 2004, in a ceremony held at Quaid’s ranch in Paradise Valley, Montana, bringing together a celebrated film actor and a self-made Texas businesswoman in what observers described as a private and personal occasion.

During their marriage, Kimberly supported her husband through his ongoing film work while keeping her own career active and her public profile measured. She attended select events, appeared occasionally in entertainment coverage, and handled the inevitable media interest without chasing it. That restraint, in a culture that actively rewarded public exposure, reflected a deeply held preference for substance over spectacle that defined her approach to both work and family life.

Welcoming Twins Through Surrogacy

On November 8, 2007, Kimberly and Dennis welcomed fraternal twins, Thomas Boone Quaid and Zoe Grace Quaid, born via gestational surrogate at Cedars-Sinai Medical Center in Santa Monica, California. The twins arrived after what had been a long and emotionally demanding journey to parenthood, and their birth brought genuine joy to both parents. The family appeared, by every account, to be entering a happy and settled chapter of their lives together.

Ten days later, on November 18, 2007, that happiness was shattered by a devastating pharmacy error. Hospital staff at Cedars-Sinai accidentally administered a dose of the blood thinner heparin to the newborns that was 1,000 times higher than the correct infant amount. Instead of the standard 10-unit paediatric dose, Thomas and Zoe received 10,000 units each, the concentration intended for adult patients. For forty-one agonising hours, the twins fought for their lives in the intensive care unit. Both children eventually made a full recovery, but the ordeal left a permanent mark on the family. Kimberly later recalled that she had felt a strong premonition that something was wrong the night of the overdose, a feeling that proved tragically well-founded when the family arrived at the hospital the following morning.

Patient Safety Advocacy

Kimberly and Dennis did not keep the crisis to themselves. Together, they filed a lawsuit against Baxter Healthcare, the manufacturer of the heparin drug, citing inadequate labelling and packaging that contributed to the confusion between adult-strength and infant-strength doses. The case reached a settlement in 2008. Beyond the legal proceedings, the couple co-founded the Quaid Foundation, an organisation focused on reducing preventable medical errors and promoting patient safety across American hospitals.

Dennis testified before the United States House Committee on Oversight and Government Reform in May 2008, using the twins’ case as a direct example of systemic failures in hospital medication management. He also produced documentaries for the Discovery Channel that examined patient safety issues and the specific circumstances of the Cedars-Sinai incident. Kimberly supported every element of this advocacy, not by seeking public attention for herself, but by standing beside the effort as the mother who had lived through it. Their combined work contributed to meaningful national conversations about drug labelling standards and neonatal medication safety in hospitals across the country.

Divorce and Co-Parenting

The marriage between Kimberly Buffington and Dennis Quaid followed a complicated and public path to its end. Kimberly first filed for divorce in March 2012, but her attorneys withdrew the papers two months later. The couple separated again in October 2012, reconciled by September 2013, and then issued a joint statement on June 28, 2016, confirming that they were divorcing for good, citing irreconcilable differences. The divorce was formally finalised on April 27, 2018, closing a legal process that had stretched across several years.

Throughout all of it, both Kimberly and Dennis kept their children’s welfare as the central concern. Kimberly requested full physical custody and joint legal custody of the twins, demonstrating her intention to remain the primary stabilising presence in their day-to-day lives. Both parents stayed actively involved in raising Thomas and Zoe, and the children, now eighteen years old as of 2026, have been deliberately shielded from media coverage throughout their upbringing. That protective approach reflects the same instinct Kimberly has always applied to her own public life.

Life After Divorce

After her divorce was finalised, Kimberly Buffington returned to Austin, Texas, and stepped away from the California celebrity world without hesitation. She redirected her energy toward her real estate career and her children, choosing a quieter and more grounded lifestyle over the public platform that her former marriage could have provided. She holds no active social media presence and has not pursued television appearances, interviews, or any form of entertainment industry involvement since the separation.

At 54 years old in 2026, Kimberly is known within Austin’s professional property circles for her expertise in luxury residential real estate. She has not remarried. Her life today reflects the same values she has held since the beginning: professional commitment, family loyalty, and a firm preference for privacy over public attention. In a media landscape that frequently rewards the opposite, her consistency is its own kind of statement.

Conclusion

Kimberly Buffington built a respected career long before the public ever heard her name, and she rebuilt her private life after the spotlight moved on. She turned a terrifying medical crisis into a cause that helped protect other families. She navigated a long and difficult divorce without losing sight of what mattered most to her. Her story belongs entirely to her, and it is a compelling one.

Frequently Asked Questions

1. Who is Kimberly Buffington?

Kimberly Buffington is an American luxury real estate broker from Austin, Texas. She is best known as the former wife of Hollywood actor Dennis Quaid and the mother of fraternal twins Thomas Boone and Zoe Grace Quaid.

2. When did Kimberly Buffington and Dennis Quaid get married?

Kimberly Buffington and Dennis Quaid married on July 4, 2004, at Quaid’s ranch in Paradise Valley, Montana. Their divorce was formally finalised on April 27, 2018.

3. What happened to Kimberly Buffington’s twins in hospital?

Ten days after their birth in November 2007, Kimberly’s twins Thomas and Zoe were accidentally given a dose of the blood thinner heparin that was 1,000 times higher than the correct infant amount at Cedars-Sinai Medical Center. Both children survived and made a full recovery.

4. What is Kimberly Buffington’s net worth in 2026?

Kimberly Buffington’s estimated net worth is approximately $3 million, built primarily through more than three decades of work as a luxury real estate broker in Austin, Texas, and supplemented by her divorce settlement.

5. Where is Kimberly Buffington now?

Kimberly Buffington lives in Austin, Texas. She continues to work in luxury real estate, raises her twins, and maintains a private lifestyle away from public and social media attention.