Meet Liam Costner: Kevin Costner’s Son Who Avoids Hollywood Fame

Who is Liam Costner?

Liam Timothy Costner was born in the United States on November 15, 1996. He is the fourth child of Kevin Costner, one of Hollywood’s most famous actors. However, unlike his father, Liam prefers to live a quiet life, away from the spotlight. While Kevin is known worldwide for his acting career, Liam chose to focus on building a private life for himself.

Instead of becoming an actor like many children of celebrities, Liam started a career in real estate and stays out of the public eye. Even though he avoids fame, being Kevin Costner’s son, people know him in Hollywood. Liam’s family background is also impressive, as he comes from two famous families. First, the Costners, known for Hollywood success, and the Rooneys, who are the owners of the Pittsburgh Steelers football team. This combination of being part of a famous family and choosing to live a private life makes his story unique.

Early Years of Liam’s Life

Liam Costner was born during a short relationship between his parents, Kevin Costner and Bridget Rooney. At the time, Kevin was already a big Hollywood star, known for his famous movies. Although his relationship with Bridget didn’t last long, it led to Liam’s birth.

After Liam was born, Kevin asked for a paternity test to confirm he was Liam’s father. Once the test proved it, Kevin accepted responsibility and set up a trust fund to secure Liam’s future.

Liam Costner spent most of his childhood living with his mother, Bridget, and his stepfather, Bill Koch, who is a billionaire businessman. We can say with his famous father and wealthy stepfather, Liam grew up in a loving and supportive environment, full of opportunities.

Something About Liam’s Parents

Liam Costner’s parents come from very different backgrounds. His father, Kevin Costner, is a famous actor known for hit movies like Dances with Wolves and The Bodyguard. Apart from that, Kevin has won two Oscars and three Golden Globes, which makes him one of the biggest stars in Hollywood. On the other hand, Liam’s mother, Bridget Rooney, comes from the Rooney family, who own the Pittsburgh Steelers, one of most successful football team.

Kevin and Bridget started dating in 1995 and had Liam in 1996, but they never got married. Although they separated, they both worked together to ensure Liam had a good life.

After their relationship ended, Bridget married Bill Koch, a rich businessman who helped give Liam a stable life. Kevin secured Liam’s future by setting up a trust fund for him, while Bridget and Bill gave him a loving home. Now, let’s meet Liam’s siblings and get to know his large family.

Meet Liam Costner’s Siblings

Liam is part of a big, blended family with 7 siblings. Let’s meet them!

Annie Costner (1984)

Annie is Kevin’s oldest child, born from his first marriage to Cindy Silva. She is a talented film producer and co-founder of Sound Off Films, a company that creates documentaries.

Lily Costner (1986)

Lily is Kevin’s second child, also born from his first marriage. She is an actress and singer. Lily has worked on soundtracks for her dad’s movies and has also performed with his band, Kevin Costner & Modern West.

Joe Costner (1988)

Joe is the youngest child from Kevin’s first wife. When he was younger, he acted in some movies, but now he works as a production sound mixer, helping with sound and music in movies.

Cayden Wyatt Costner (2007)

Cayden is Liam’s younger half-brother from Kevin’s second marriage to Christine Baumgartner. He has shown a lot of interest in music from a young age.

Hayes Logan Costner (2009)

Hayes is another younger brother of Liam, also from Kevin’s second marriage. He has already acted in the film Horizon alongside his dad, and is working on developing his acting skills.

Grace Avery Costner (2010)

Grace is the youngest of Kevin’s children. She loves being creative and enjoys dancing and sewing. She is known for her artistic talents.

Kaitlin K.K. Koch (2007)

Kaitlin is Liam’s half-sister from his mother, Bridget Rooney’s marriage to Bill Koch, a billionaire businessman. She completes Liam’s big, blended family.

Liam’s Relationship with Kevin Costner

Liam and Kevin have always had a special relationship. Even though Kevin wasn’t very involved in Liam’s early years, he made sure to stay connected as Liam got older. Kevin showed he cared about Liam’s future by setting up a trust fund to help him.

While Kevin and Liam don’t have a very public father-son relationship, they still have a respectful and supportive bond. Kevin’s actions show that he cares about all his children and takes responsibility for them, even if their lives are separate.

Liam’s Relationship with His Stepfather, Bill Koch

Liam’s stepfather, Bill Koch, played an important role in his life. As a billionaire businessman, Bill provided Liam with a stable, comfortable life and made sure he had a good education. Bill’s success in business also inspired Liam’s interest in business, which led him to pursue a successful career in real estate. Bill’s support helped Liam with his education and career, as he grew up.

Liam Costner’s Educational Journey

Education has been very important in shaping Liam’s life. Liam went to Oxbridge Academy, a private school known for its strong academics, thanks to his family’s focus on good schooling. This school helped him get ready for his future in business.

Although we don’t know exactly where Liam went to college, it’s thought he studied business and finance. These subjects fit perfectly with his career in real estate. Liam showed early on that he wanted to succeed on his own, not just rely on his family’s fame. His education also taught him the values of independence and hard work, which have helped guide him in his career.

Liam Costner’s Career in Real Estate

Liam Costner works as a real estate agent with a company called Frankel Bell Group in Florida. He focuses on helping people rent properties and make real estate investments. By choosing this career, Liam has built a different career, separate from Hollywood. His choice to work in real estate shows how independent he is and how hard he works to build his own success.

Is Liam Costner Married?

As of 2025, Liam is unmarried and prefers to keep his personal life private. While his siblings and parents have often been in media, Liam has maintained a low profile regarding relationships.

Liam’s Lifestyle and Net Worth

Liam’s net worth is around $1 million, but he has also benefited from his family’s wealth, especially shares in Koch Industries from his stepdad. Even though he comes from a rich family, Liam works hard to achieve success in real estate. He focuses on building his career independently instead of depending on his family’s wealth.

Final Thoughts

Liam Costner’s story is an inspiring one. While he could have relied on his family’s fame and wealth, he chose to build his own career. His journey shows that even with a Hollywood legacy, it’s possible to live a private and fulfilling life.

We hope you found this article helpful in learning about Liam Costner’s life. Ready to explore more about fascinating figures like him? Stay tuned for more engaging stories!

(FAQs)

How old is Liam Costner?

Liam Costner was born on November 15, 1996, so he is 28 years old in 2025.

Who are Liam Costner’s biological parents?

Liam’s father is Kevin Costner, a famous actor, and his mother is Bridget Rooney, who comes from the family that owns the Pittsburgh Steelers football team.

Does Liam Costner have a wife?

Liam Costner is unmarried as of 2025 and likes to keep his personal life private.

Where is Liam Costner Now?

Liam Costner is currently living in Florida, where he works as a real estate agent. He keeps a private life and stays away from the spotlight, focusing on his career instead of Hollywood.

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