Bridget Rooney has lived a life that quietly connects American sports history, Hollywood and philanthropy. Born into the influential Rooney family, she later attracted public attention through her relationship with Kevin Costner, becoming the mother of Liam Costner. Her marriage to businessman Bill Koch in 2005 brought another prominent family connection. Although she has largely stayed away from the spotlight, her background, family life and limited acting career continue to make her an interesting figure. Some personal details, including wealth and physical measurements, remain estimates rather than officially confirmed facts.
Bridget Rooney Quick Bio
| Profile | Details |
|---|---|
| Full Name | Bridget Rooney Koch |
| Date of Birth | May 26, 1962 is frequently reported, although some sources give different dates. |
| Height | Approximately 5 ft 8 in (173 cm); reported rather than officially confirmed. |
| Age | 64 years old in 2026 based on the May 26, 1962 birth date. |
| Birthplace | California, United States, according to commonly published biographies. |
| Nationality | American |
| Family Heritage | Rooney family, a prominent American family associated with the Pittsburgh Steelers. |
| Grandfather | Art Rooney Sr., founder of the Pittsburgh Steelers. |
| Father | Timothy James Rooney |
| Mother | June Marraccaini |
| Siblings | Reported to have five siblings. |
| Profession | Former actress, philanthropist and public figure |
| Acting Career | Her acting career was limited, with her most notable documented screen connection being Zombie or Not Zombie. |
| Famous For | Her Rooney family background, relationship with Kevin Costner, motherhood of Liam Costner and marriage to Bill Koch. |
| Former Partner | Kevin Costner |
| Relationship With Kevin Costner | Rooney and Costner were romantically involved in the 1990s, and their relationship resulted in the birth of their son, Liam. |
| Son | Liam Costner, born in 1996. |
| Husband | William “Bill” Koch |
| Marriage | Bridget Rooney and Bill Koch married in 2005 in Colorado. |
| Daughter | Kaitlin “K.K.” Koch, her daughter with Bill Koch. |
| Stepchildren | She became stepmother to children from Bill Koch’s previous relationships. |
| Marital Status | Married |
| Hair Color | Dark brown, according to commonly published profiles. |
| Eye Color | Brown, according to secondary biographical profiles. |
| Weight | Approximately 60 kg (132 lb); not independently verified. |
| Education | Detailed educational information is not consistently documented. |
| Career Focus | Her public life has centered more on family, philanthropy and social activities than entertainment. |
| Residence | Her family has been associated with Palm Beach, Florida, among other locations. |
| Philanthropy | Associated with charitable and philanthropic activities, although details of her personal charitable work are limited publicly. |
| Public Profile | Relatively private, with limited involvement in the celebrity spotlight. |
| Rooney Family Connection | Her grandfather, Art Rooney Sr., founded the Pittsburgh Steelers, making Bridget part of one of American football’s best-known families. |
| Hollywood Connection | Her relationship with Kevin Costner brought her considerable public attention during the 1990s. |
| Business Connection | Her marriage to Bill Koch connected her with the Koch family’s business and philanthropic world. |
| Estimated Net Worth | Not independently verified. Online estimates commonly range from approximately $2 million to $20 million, but there is no confirmed public figure. |
| Net Worth Note | Bill Koch’s wealth should not automatically be considered Bridget Rooney’s personal net worth. |
| Social Media | No widely verified major public social-media account has been confidently established. |
| Current Public Image | Private family-oriented figure whose story is closely connected with the Rooney, Costner and Koch families. |
| Overall Legacy | Bridget Rooney is best known for her famous family heritage, connection to Hollywood and marriage to Bill Koch, rather than for an extensive entertainment career. |
Bridget Rooney Images
A Timeline Bridget Rooney
| Year | Timeline |
|---|---|
| 1962 | Bridget Rooney was born in California, United States, into the prominent Rooney family. |
| 1995 | She became publicly known through her relationship with actor Kevin Costner. |
| 1996 | Bridget welcomed her son Liam Costner, who is Kevin Costner’s son. |
| 2005 | Bridget married businessman Bill Koch in Colorado. |
| 2006 | Bridget and Bill Koch welcomed their daughter Kaitlin “K.K.” Koch. |
| 2010s | Bridget remained involved in family, educational and philanthropic activities while maintaining a relatively private public life. |
| 2020s | She continued to make occasional appearances at social and charity events alongside Bill Koch. |
| 2026 | Bridget remains best known for her Rooney family heritage, marriage to Bill Koch, and connection to Kevin Costner and Liam Costner. |
Bridget Rooney Family
| Family Member | Relationship | Details |
|---|---|---|
| Art Rooney Sr. | Grandfather | Founder of the Pittsburgh Steelers and the central figure in the Rooney family’s sporting legacy. |
| Timothy James Rooney | Father | Bridget’s father. |
| June Marraccaini | Mother | Bridget’s mother. |
| Kevin Costner | Former partner | American actor and filmmaker; Bridget and Costner share a son. |
| Liam Costner | Son | Born in 1996; son of Bridget Rooney and Kevin Costner. |
| Bill Koch | Husband | American businessman and philanthropist; Bridget married him in 2005. |
| Kaitlin “K.K.” Koch | Daughter | Bridget’s daughter with Bill Koch, born in 2006. |
| Wyatt Koch | Stepson | Bill Koch’s son from a previous relationship. |
| Charlotte Koch | Stepdaughter | Bill Koch’s daughter from a previous relationship. |
| William Koch | Stepson | Bill Koch’s son from a previous relationship. |
| Robin Koch | Stepchild | Part of Bill Koch’s family from an earlier relationship. |
| Kate Mara | Extended family relation | Actress from the wider Rooney family. |
| Rooney Mara | Extended family relation | Actress from the wider Rooney family. |
Bridget Rooney Dress Collection
| Style / Appearance | Details |
|---|---|
| Formal Gowns | Bridget has appeared publicly in elegant formal dresses and evening gowns. |
| Black Dress | A formal appearance shows her wearing a sophisticated black halter-style gown with statement earrings. |
| Red Dress | She has also been photographed wearing a striking red sleeveless dress at a Palm Beach event. |
| Blue Gown | A magazine feature prominently displayed Bridget wearing a fitted blue evening gown. |
| Personal Collection | There is no verified public inventory of her private dress collection. |
