liam costner

Liam Costner Age, Height, Net Worth, Kids, Wife, Parents, And More

Liam Costner is a well-known figure, largely due to his famous parent, Hollywood actor Kevin Costner. Kevin, a renowned American actor and movie director, catapulted Liam into the spotlight from the moment he was born. Among Kevin’s seven children, Liam holds the distinction of being the youngest. Bridget Rooney is Liam’s mother.

After Kevin divorced his first wife, he briefly dated Bridget. Continue reading about Liam’s personal and professional life. Discover his fascinating multi-millionaire rise.

Age, Birthday & Biography

Liam Timothy Costner, born on November 15, 1996, is the son of the renowned actor Kevin Costner. As of 2022, Liam is 26 years old. While his exact place of birth wasn’t disclosed, he holds American nationality, indicating his ties to the United States.

Though detailed information about Liam’s educational background wasn’t provided, it’s mentioned that he attended a reputable university. The specifics about the university or his field of study remain undisclosed. This implies that Liam pursued higher education, likely gaining a solid academic foundation that could open doors to various opportunities in his chosen career path.

Liam Costner’s Parents

Liam Costner, originally Liam Timothy Costner, is the child of Hollywood actor Kevin Costner and Bridget Rooney. Although his parents never married and had a brief romance in 1995, following Kevin’s divorce from his first wife Cindy Silva, he didn’t officially acknowledge Liam as his son until a paternity test confirmed it. Subsequently, Kevin established a trust fund for Liam and provided child support.

During his upbringing, Liam resided with his mother and stepfather, Bill Koch, a billionaire entrepreneur and collector who wed Rooney in 2005. Bill Koch is the brother of Charles and David Koch, who are known for owning Koch Industries. Liam chose to adopt both his mother’s and stepfather’s surnames, going by the name Liam Rooney Koch.

Liam Costner Siblings

Liam has six father-siblings. Kevin has three older half-siblings from his first marriage: Annie (1984), Lily (1986), and Joe (1988). Kevin’s second marriage to Christine Baumgartner gave Liam three younger half-siblings: Cayden (born 2007), Hayes (born 2009), and Grace (born 2010).

Liam shares a strong bond with his siblings and often joins them for family gatherings. He also actively supports his father’s career, accompanying him to various movie premieres and award shows.

Is Liam Costner Married?

There are many women who have fallen in love with Liam Costner because of his irresistible charisma. Nonetheless, Liam is a private person, therefore information regarding his private life is kept out of the public light. No evidence of Costner’s marriage has been found as of yet.

It’s possible that the handsome and talented Liam is putting more of his focus on his job than on finding love. Despite this, many young ladies find him to be one of the most desirable and attractive bachelors.

Liam might be biding his time while making room in his life for marriage and love. Kevin’s son has decided to keep his girlfriend’s identity a secret for the time being.


There’s no concrete information available about Liam Costner’s profession. However, he’s garnered widespread attention from the moment he was born, thanks to his illustrious father, the multi-talented Hollywood star, Kevin Costner. Kevin, known for his roles as characters with profound emotions, is not just an actor but also a director and singer. His acting journey began in 1981 with “Sizzle Beach, USA.” While he initially took on smaller supporting roles, he catapulted to fame with his portrayal of Eliot Ness in “The Untouchables” (1987).

Interestingly, Kevin initially pursued a career in marketing after graduating from the business department at California State University, Fullerton, despite his passion for acting. It was a chance encounter with actor Richard Burton that ignited his professional acting ambitions. Kevin then delved into acting classes and took on various jobs to support his family. His pivotal moment came with his role in the 1987 film “The Untouchables,” marking a turning point in his career after smaller parts and cameo appearances in his earlier works.

Liam Costner Net worth

Liam’s occupation is unknown, thus we don’t know his income or net worth. However, his stepfather, Bill Koch, left him $800 million in Koch Industries stock.

However, Liam’s father, Kevin Costner, has a $250 million net worth from his various careers.


Their joint marital residence has become a point of contention in Kevin Costner and Christine Baumgartner’s divorce. Famous actors like Kevin Costner, who starred in “Yellowstone” and “Field of Dreams,” said Baumgartner and their three children should leave the house. According to their prenuptial agreement, she has 30 days to find new housing after divorcing.

However, Baumgartner’s lawyers argue that Costner’s request is unfounded. They say uprooting the children from their sole home would be unjust and harmful.

Baumgartner’s lawyer also accused Costner of using his financial power to convince him to accept his requirements. Their allegation is that this devalues her contributions to their marriage and family. They married in 2004 and have three children: Cayden, 16, Hayes, 14, and Grace, 13. Additionally, Costner has four older children from prior relationships.

Social Media

Liam doesn’t have any public social media accounts, which means his fans don’t have a way to follow or connect with him online. He values his privacy and doesn’t share personal updates or news publicly.

While he might not be active on mainstream social media platforms, it’s possible that Liam maintains private accounts for communication with close friends and family. This suggests that he prefers to keep a low profile and leans towards being more of an introvert, steering away from public attention.

Physical Appearance

Liam stands at an average height of 5 feet 8 inches, which is considered quite decent. He maintains a body weight ranging approximately from 65 to 75 kg, and sports a fit, muscular physique. His eyes captivate with a shade of blue, and he boasts brown hair. In terms of appearance, Liam inherits a charming and appealing presence from both his parents, who are accomplished figures in the world of acting and modeling.

Final Words

Liam Costner, the youngest child of Hollywood actor Kevin Costner, was born on November 15, 1996. Raised by his mother Bridget Rooney and stepfather Bill Koch, Liam adopted the surname Rooney Koch. He has six half-siblings from Kevin’s previous marriages. Despite his lineage, Liam keeps a low profile, and details about his personal life, including any potential marriage, remain private. While Liam’s professional endeavors are not disclosed, he benefits from a substantial inheritance from his stepfather. Liam doesn’t maintain public social media accounts, prioritizing privacy. He possesses a charming appearance, inheriting features from his famous parents.


Who is Liam Costner?

Liam Costner is the youngest child of renowned Hollywood actor Kevin Costner and his former partner, Bridget Rooney. He was born on November 15, 1996.

What is Liam Costner’s full name?

Liam’s full name is Liam Timothy Costner. He later adopted the surnames Rooney and Koch from his mother and stepfather.

How old is Liam Costner as of 2022?

As of 2022, Liam Costner is 26 years old.

Where was Liam Costner born?

The exact place of Liam Costner’s birth is not disclosed, but he holds American nationality, indicating his ties to the United States.

Did Liam Costner attend university?

Yes, it is mentioned that Liam attended a reputable university, but specific details about the university or his field of study remain undisclosed.

Who are Liam Costner’s parents?

Liam’s parents are Hollywood actor Kevin Costner and Bridget Rooney. Although his parents were never married, Kevin confirmed paternity after a DNA test.

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