Liam Costner (Kevin Costner Son) Age/ Girlfriend/ Parents/ Siblings/ Net worth/ Paternity Test and Facts

Liam Costner

Liam Costner is famous as the son of Kevin Costner, who is an American actor and film director. Kevin is a popular Hollywood star.

Liam Costner Wiki/ Bio

Liam Costner is popular as a celebrity kid. He is the son of American actor and director Kevin Costner. He got fame since his birth was a highlight of media.

Talking about his educational background, he has completed his high school graduation and probably pursuing his bachelor’s degree. Details regarding his educational qualification are not disclosed.

Liam Costner Height/ Weight/ Age

His height is 5 feet 8 inches and his weight is around 62 kg. He was born on Friday, 15 November 1996 in the United States of America. Liam Costner’s age is 24 years (as of 2021).

Liam Costner Net worth

Details regarding his profession are not revealed and hence there is no information available about what he does for a living. Hence his estimated net worth is not known. But he has inherited $800 million stock from Koch Industries from his stepfather Bill Koch. On the other hand, his father Kevin Costner’s net worth is around $250 million which he has accumulated from his multiple professions.

Liam Costner Girlfriend/ Wife/ Family

His father name is Kevin Costner, who is an American actor, director, and musician.

Liam Costner parents Kevin Costner and Bridget Rooney
Liam Costner parents Kevin Costner and Bridget Rooney

Liam Costner’s mother’s name is Bridget Rooney, who is a former model. She comes from a renowned family and is a Pittsburgh Steelers heiress. Her grandfather Art Rooney was the owner of the Pittsburgh Steelers football franchise and her uncle is Dan Rooney.

Bridget Rooney and Kevin Costner were never married. They began dating after Kevin’s divorce from his first wife in 1994. The duo did not make any public appearance.

Liam Costner with his mother Bridget Rooney
Liam Costner with his mother Bridget Rooney

They were highlighted in media when they welcomed their first child Liam Timothy Costner in 1996. Soon after his birth, the couple separated. After splitting up Bridget married Bill William Koch in the year 2005 in Colorado. Bill is a successful businessman whose estimated net worth is around $1.8 billion. They share a daughter Kaitlin Koch.

Liam Rooney has six half-siblings. Details regarding his personal life are not available. It is not known if he is dating anyone or has a girlfriend. Costner is not married yet and also does not have any children.

Liam Costner father Kevin Costner

Kevin Costner
Kevin Costner

Kevin is a Hollywood actor, director, and musician. He started his career in 1981 with the movie Sizzle Beach and later gave many hit films like No Way out, Field of Dreams, etc.

The Yellowstone actor married his first wife Cindy Costner, his college sweetheart in the year 1978. They have three children together. Annie Costner born in April 1984 is a film director, producer, and actress. Lily Costner born in August 1986 is an actress. Joe Costner born in January 1988 is an actor.

Annie Costner, Lily Costner and Joe Costner
Annie Costner, Lily Costner and Joe Costner

Kevin and Cindy divorced in 1994. Soon after the divorce Kevin started dating Bridget and have a son Liam. There is no information if they married or not.

He married his current wife Christine Baumgartner in the year 2004. Their first son Cayden Wyatt Costner was born in May 2007. Hayes Logan Costner was born in February 2009. Grace Avery Costner, their youngest child was born in June 2010.

Kevin Costner and Christine Baumgartner with their children
Kevin Costner and Christine Baumgartner with their children

Christine is his current wife and they are living a happy family life. He is best known for starring in the film Dances with Wolves.

NameLiam Costner
Date of Birth15 November 1996
Age24 years (as of 2021)
BirthplaceUnited States of America
Zodiac SignScorpio
HometownNot Known
Net worthNot Known
SchoolNot Known
CollegeNot Known
Heightfeet and inches- 5’8”
centimeters- 176 cm
Weightkilograms- 62 kg
pounds- 136 lbs
Body MeasurementsNot Known
Eye ColorBlue
Hair colorBrown
Shoe sizeNot Known
Father nameKevin Costner
Mother nameBridged Rooney
BrotherJoe Costner, Cayden Wyatt Costner, Hayes Logan Costner (half brother)
SisterAnnie Costner, Lily Costner, Grace Avery Costner (half-sister)
Kaitlin Koch (step-sister)
GirlfriendNot Known
Marital statusUnmarried


Liam Rooney Koch is yet to start his professional career. It is hard to determine whether he will follow his parent’s footsteps or not. He likes to stay away from the limelight.

Hence, his career details are not known. Once the information is available we shall update the same at the earliest.

Facts/ Trivia

  • Liam Costner is famous as a celebrity kid and also known as Kevin Costner’s troubled son.
  • When Bridget was pregnant with Liam, Kevin demanded a paternity test.
  • After the test results came positive he acknowledged him otherwise he refused him as his child.
  • Kevin founded a trust fund for Liam and occasionally visits him not on a regular basis.
  • Liam’s father Kevin is a successful actor and a recipient of two Golden Globe awards and two Screen Actors Guild awards.
  • Daniel Craig Costner and Mark Douglas Costner are his uncles and William Costner and Sharon Costner are his grandparents.
  • He has six half-siblings Annie, Lily, Joe, Cayden, Hayes, and Grace, and his stepsister Kaitlin Koch.
  • From his stepfather’s industry Koch industries he has inherited $800 million of stock.
  • He is not active on any social media sites whereas his father is active with @kevincostnermodernwest.
  • Kevin Costner’s children share a good bond with each other.
  • Currently, Kevin Costner’s wife is Christine Baumgartner.