Bridget Rooney is an American actress and philanthropist, born April 26, 1962, in California.
She is known for her family ties to the Pittsburgh Steelers and her marriage to billionaire Bill Koch.
Who is Bridget Rooney?
Bridget Rooney comes from one of the most recognized families in American sports. Her grandfather, Art Rooney Sr., founded the Pittsburgh Steelers in 1933.
She also became known through her relationship with actor Kevin Costner in the mid-1990s. That relationship produced a son, Liam Timothy Costner, born in 1996.
Since 2005, Rooney has been married to billionaire businessman Bill Koch. Together, they founded Oxbridge Academy, a private school in Palm Beach, Florida.
Rooney has largely stayed out of the public eye. Even so, her family connections keep her name in the news.
Early Life of Bridget Rooney
Bridget Rooney was born in California to Timothy James Rooney and June Rooney. Her father built his own career running Yonkers Raceway and the Palm Beach Kennel Club.
She grew up alongside several siblings, including sisters Kathleen Mara and Margaret Galterio. Rooney is the youngest of the Rooney sisters.
Her grandfather’s legacy shaped much of her upbringing. As a result, sports, business, and public life were part of her world from an early age.
Bridget Rooney Age
Bridget Rooney is 64 years old as of 2026, born on April 26, 1962. Her zodiac sign is Taurus.
She has spent decades largely outside the spotlight since her one acting credit in 2011. That distance from Hollywood has defined much of her adult life.
Bridget Rooney Ethnicity and Nationality
Bridget Rooney is American. Her family background is Irish-American, tracing back to her grandfather Art Rooney’s roots in Pittsburgh.
The Rooney family settled in Pittsburgh in the 1800s. Since then, the Rooney name has stayed closely tied to the Pittsburgh Steelers and the city’s Irish-American community.
Bridget Rooney Education
Rooney completed her early schooling before going on to pursue a degree in business administration. That academic background reflected her family’s long history in business management.
Her education gave her a foundation in the same fields her father and grandfather had built careers in. She has not pursued a public career built on that degree, though.
Bridget Rooney Height and Weight
Bridget Rooney is of average height at 5 feet 8 inches, which is equal to 172 centimeters or 1.72 meters.
Further, she weighs around 68 kg, which is equal to 149 lbs in pounds. She has a well-proportioned physique with brown hair and brown eyes.
Bridget Rooney Career
Bridget Rooney’s public profile grew mainly through her family ties rather than a traditional career path.
Family Background and Business Ties
Rooney’s grandfather, Art Rooney Sr., bought the team that became the Pittsburgh Steelers in 1933. Her father, Timothy Rooney, later ran Yonkers Raceway and the Palm Beach Kennel Club.
That business background gave Rooney financial independence apart from any acting or media career. It also placed her within a family widely known across sports and entertainment circles.
Acting Debut
In 2011, Rooney took on her only acting credit, starring in the short film Zombie or Not Zombie. She was 49 years old at the time.
She did not pursue further acting roles after that project. Instead, she shifted her focus toward philanthropy and family life.
Recent Work and Philanthropy
Rooney has since focused on charitable work tied to both the Rooney and Koch family traditions. She has supported organizations including the United Way of Allegheny County, the Pittsburgh Cultural Trust, and the Carnegie Museum of Art.
In 2011, she and her husband, Bill Koch, founded Oxbridge Academy, a private college-preparatory school in West Palm Beach, Florida.
Koch funded the school with a $50 million donation, and it has since educated students, including NFL players and other notable graduates.
Bridget Rooney Husband
Bridget Rooney married billionaire businessman Bill Koch in 2005 in a private ceremony in Colorado. Koch, born May 3, 1940, made his fortune through Oxbow Corporation, an energy company he founded after leaving Koch Industries.
Koch also won the America’s Cup as a yacht owner in 1992. His years-long legal battles with his brothers, Charles and David Koch, over Koch Industries became a widely reported family dispute.
Rooney was Koch’s third wife. He had been previously married to Joan Granlund and later to Angela Browder Gauntt, both marriages ending in divorce.
Bridget Rooney Children
Bridget Rooney has two children. Her son, Liam Timothy Costner, was born on November 15, 1996, from her earlier relationship with actor Kevin Costner.
Costner initially questioned paternity and requested a test. The test confirmed he was Liam’s father, and he later provided financial support for his son.
Rooney and Bill Koch had a daughter together, Kaitlin Koch, born in 2006. Kaitlin is known to family and friends as K.K.
Rooney also became a stepmother to Bill Koch’s other children from previous relationships. Those children are Wyatt Koch, Charlotte Koch, William Koch Jr., and Robin Koch.
Bridget Rooney Net Worth
Bridget Rooney’s estimated net worth is $2 million as of 2026. Her financial standing comes largely from her family’s business ventures rather than her brief acting career.
That figure stays separate from her husband Bill Koch’s fortune, which is estimated in the billions.
Rooney’s independent wealth traces back to the Rooney family’s business holdings, including Yonkers Raceway and the Palm Beach Kennel Club.
The Bottom Line
Bridget Rooney is best known for her single acting credit in the 2011 short film Zombie or Not Zombie and for co-founding Oxbridge Academy with her husband in the same year. Her grandfather, Art Rooney, founded the Pittsburgh Steelers in 1933, tying her family name to NFL history.
She grew up in a business-minded Irish-American family known for sports and philanthropy. Rooney has kept a private life despite her connections to both Hollywood and American business.
Today, she focuses on philanthropy and family life in Palm Beach, Florida. Rooney continues to support causes tied to education, the arts, and community development.
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