Liam Costner: All About The Son of Famous Hollywood Actor Kevin Costner

Liam Costner is best known as the son of famous Hollywood actor Kevin Costner and Bridget Rooney, who comes from the well-known Rooney family that owns the Pittsburgh Steelers football team. Unlike his father, Liam has chosen to live a private and quiet life away from the spotlight. This article will explore Liam’s early life, his unique family background, his career in real estate, and how he manages to balance being part of a famous family while keeping his own personal life private. Despite his connection to two famous families, Liam stands out as someone who values privacy and independence.

Liam Costner Profile Summary

Detail	Information
Full Name	Liam Timothy Costner
Date of Birth	November 15, 1996
Age (as of 2025)	28 years old
Place of Birth	Indiana, United States
Nationality	American
Father	Kevin Costner (Actor and Filmmaker)
Mother	Bridget Rooney (Member of Rooney Family)
Stepfather	Bill Koch (Billionaire Businessman)
Profession	Real Estate Agent
Current Residence	Florida, USA
Marital Status	Single (unmarried)
Estimated Net Worth	Approximately $1 million

Early Life and Birth Details

Liam Timothy Costner was born on November 15, 1996, in Indiana, United States. He is the son of Hollywood star Kevin Costner and Bridget Rooney, a member of the famous Rooney family known for owning the Pittsburgh Steelers football team. His parents had a brief relationship in the mid-1990s, and shortly after Liam’s birth, Kevin Costner requested a paternity test to confirm his fatherhood. Once the test proved positive, Kevin accepted responsibility and took steps to secure Liam’s future. Liam grew up mostly with his mother and stepfather, Bill Koch, in a supportive and comfortable environment, surrounded by a blended family that provided stability during his early years.

Liam Costner’s Parents And Stepfather

Father: Kevin Costner

Kevin Costner is a famous American actor, director, and producer known for his roles in classic films like Dances with Wolves and The Bodyguard. Over his long career, Kevin has earned several awards, including two Oscars and multiple Golden Globes. As Liam’s father, Kevin played an important role by acknowledging his paternity and setting up a trust fund to support Liam’s future. Although their relationship has been private, Kevin has shown care and responsibility toward all his children, including Liam.

Liam Costner

Mother: Bridget Rooney

Bridget Rooney comes from the well-known Rooney family, who own the Pittsburgh Steelers, one of the most successful football teams in the NFL. She had a brief relationship with Kevin Costner in the mid-1990s, which led to Liam’s birth. After her relationship with Kevin ended, Bridget focused on raising Liam in a loving and stable home. Her connection to the Rooney family gives Liam a unique background blending entertainment and sports legacy.

Liam Costner’s Stepfather: Bill Koch

Bill Koch is a billionaire businessman who married Bridget Rooney after her relationship with Kevin Costner ended. As Liam’s stepfather, Bill has provided strong support and stability, helping to create a comfortable and secure environment for Liam to grow up in. His success in business also influenced Liam’s decision to pursue a career outside of Hollywood, inspiring him to build his own path in real estate.

Liam Costner’s Siblings and Blended Family

Annie Costner (Half-Sister)

Annie Costner, born in 1984, is Liam’s oldest half-sister from Kevin Costner’s first marriage to Cindy Silva. She is a talented film producer and co-founder of Sound Off Films, a company known for creating impactful documentaries. Annie has established herself in the entertainment industry behind the scenes and maintains a low public profile compared to some of her siblings.

Lily Costner (Half-Sister)

Lily Costner was born in 1986 and is another half-sister of Kevin Costner’s first marriage. She is both an actress and singer, having contributed to soundtracks of her father’s movies and performed with his band, Kevin Costner & Modern West. Lily is somewhat more visible publicly due to her creative work in music and acting.

Joe Costner (Half-Brother)

Joe Costner, born in 1988, is the youngest child from Kevin’s first marriage. As a young man, Joe tried acting but later shifted to work behind the scenes as a production sound mixer, focusing on sound and music in films. He prefers a more private career, working mainly off-camera.

Liam Costner

Cayden Wyatt Costner (Half-Brother)

Cayden Wyatt Costner was born in 2007, the son of Kevin Costner and his second wife, Christine Baumgartner. Cayden has shown an early interest in music and is part of Kevin’s younger generation of children growing up with creative talents.

Hayes Logan Costner (Half-Brother)

Hayes Logan Costner, born in 2009, is another younger half-brother from Kevin’s second marriage. He has begun acting and appeared alongside his father in the film Horizon. Hayes is developing his skills and may continue pursuing an acting career.

Grace Avery Costner (Half-Sister)

Grace Avery Costner, born in 2010, is the youngest of Kevin’s children. She enjoys creative activities such as dancing and sewing. Grace remains private but is known for her artistic talents within the family.

Kaitlin K.K. Koch (Half-Sister)

Kaitlin K.K. Koch is Liam’s half-sister from his mother, Bridget Rooney’s, marriage to billionaire Bill Koch. Born in 2007, Kaitlin completes Liam’s blended family circle, growing up alongside her siblings with the support of both biological and step-parents.

Liam’s Relationship Within His Blended Family

Liam Costner is part of a large and blended family with siblings from different marriages and relationships. Despite the complexities, Liam shares a respectful and supportive bond with his siblings. While some siblings are involved in entertainment, and others prefer private lives, the family remains connected through shared experiences and mutual respect. Liam’s choice to live privately shows his desire to build his own identity while being part of this unique family network.

Liam Costner’s Mother’s Martial History

Liam Costner’s mother, Bridget Rooney, was never married to Kevin Costner, Liam’s father, despite their relationship in the mid-1990s that led to Liam’s birth. After their brief relationship ended, Bridget later married billionaire businessman Bill Koch. This marriage brought stability and support to Bridget and Liam’s lives. Bridget’s connection to both the Rooney family and Bill Koch’s family gives Liam a unique family background blending sports, business, and Hollywood influences.

Age, Physical Appearance, and Personal Attributes

Liam Costner is 28 years old as of 2025, born on November 15, 1996. He stands around 5 feet 8 inches tall (about 172 cm) and weighs approximately 62 kilograms (136 pounds). Known for his low-key and private nature, Liam keeps a simple and down-to-earth lifestyle, avoiding the public spotlight that often follows children of celebrities. His calm personality and focus on building his own career reflect his desire for independence and a balanced personal life away from Hollywood fame.

Education and Academic Background

Liam Costner attended Oxbridge Academy, a prestigious private school in West Palm Beach, Florida, known for its rigorous academic programs and emphasis on developing independent thinking. While specific details about his college education remain private, it’s believed that he pursued studies in business and finance, aligning with his current career in real estate. His academic background, coupled with his family’s emphasis on quality education, likely played a significant role in shaping his professional path and values.

Career and Professional Life

Liam Costner, the son of Hollywood actor Kevin Costner, has chosen a career path distinct from the entertainment industry. He works as a real estate agent with Frankel Bell Realty Group, a respected firm specializing in luxury properties in Northern Palm Beach County, Florida. Liam’s role involves assisting clients with buying, selling, and renting high-end homes, showcasing his expertise in the upscale real estate market. His decision to pursue real estate reflects his desire for privacy and independence, allowing him to build a successful career away from the Hollywood spotlight.

Personal Life and Privacy

Liam Costner, son of Hollywood actor Kevin Costner and Bridget Rooney, has chosen a life of privacy away from the public eye. Unlike many celebrity children, Liam maintains a low profile, avoiding the media spotlight and refraining from sharing personal details publicly. As of 2025, he remains unmarried and has not disclosed any romantic relationships, aligning with his preference for a private life. This deliberate choice to keep personal matters out of the public domain allows Liam to establish his own identity, separate from his family’s fame. In an era where celebrity offspring often seek attention, Liam’s decision to remain out of the limelight is a testament to his desire for personal autonomy and a life defined by his own terms.

Net Worth and Financial Overview

Liam Costner’s net worth is estimated to be around $1 million to $8 million as of 2025, coming mainly from his career as a real estate agent in Florida. His father, Kevin Costner, set up a trust fund to ensure Liam’s financial security, while his stepfather, billionaire Bill Koch, also provides strong family support. Although Liam benefits from this family wealth, he focuses on building his own success through hard work in real estate. This shows his desire to be financially independent and create his own path separate from his famous family’s legacy.

Relationship with Kevin Costner and Family Dynamics

Liam Costner shares a respectful but mostly private relationship with his father, Kevin Costner. Although Kevin was not very involved during Liam’s early years, he accepted responsibility by confirming paternity and setting up a trust fund to support his son’s future. Over time, Kevin has maintained a supportive presence from a distance. Liam’s stepfather, Bill Koch, has also played a significant role, providing stability, guidance, and business inspiration. These family relationships have helped Liam grow into a self-reliant individual who values both family ties and personal independence.

Public Perception and Media Coverage

In the media, Liam is often seen as the quiet and private member of the Costner family, especially compared to his famous father and some of his siblings who work in entertainment. Unlike others who embrace the spotlight, Liam prefers to stay out of public attention, focusing on his real estate career. This choice presents both challenges and benefits; while he may miss some celebrity perks, he enjoys a more normal life free from constant media scrutiny. When faced with media interest, Liam consistently chooses discretion, avoiding unnecessary publicity and maintaining control over his personal story.

Conclusion

In conclusion, Liam Costner stands out as a private individual who has successfully built his own career while respecting his famous family legacy. His commitment to privacy and independence inspires those who believe in creating their own path regardless of family fame. Looking ahead, Liam’s focus on real estate and low-profile lifestyle suggests a promising future where he continues to define success on his own terms, leaving a legacy of balance between personal ambition and family connection.

(FAQs)

1. How old is Liam Costner?

Liam Costner was born on November 15, 1996, which makes him 28 years old as of 2025.

2. Who are Liam Costner’s parents?

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

3. What does Liam Costner do for a living?

Liam works as a real estate agent. He has built his career in the real estate industry, focusing on helping clients with property rentals and investments, mainly in Florida.