Liam Costner is well known among the public for being the son of American actor Kevin Costner. His father is the recipient of one Primetime Emmy Award and two Academy Awards.
Table of Contents
Liam Costner’s Early Life
- Liam Costner was born to Kevin Costner and Bridget Rooney in November 1996, in the United States of America.
- His great grandfather (maternal), Art Rooney was the owner of the Pittsburgh Steelers football franchise.
- He graduated from his stepfather’s school, Oxbridge Academy.
- During his young days, he used to play as a linebacker, running back, punter, and kicker for his school team.
Liam Costner’s father Kevin Costner.
Source: BiographyLiam Costner’s mother Bridget Rooney.
Source: Twitter
Siblings
- He has six half-siblings from his father’s side: three older and three younger.
- From his father’s first marriage with Cindy Silva, he has three elder siblings: Annie Costner (b. April 15, 1984), Lily Costner (b. August 4, 1986), and Joe Costner (b. Jan 31, 1988). All of them are involved in the entertainment industry.

Source: Lily Costner’s Instagram
- From his father’s marriage with Christine Baumgartner (a model and handbag designer), he has three younger siblings: Cayden Wyatt Costner (b. in 2007), Hayes Logan Costner(b. Feb 2009), and Grace Avery Costner (b. June 2, 2010).
Kevin Costner with his kids, Cayden Wyatt, Hayes Logan, and Grace Avery Costner. Source: Instagram Kevin Costner with his wife, Christine Baumgartner.
Source: Instagram
Parents’ Relationship
- Kevin Costner and Bridget Rooney started dating in 1994 after Costner’s divorce from his first wife, Cindy Silva.
- The former lovebirds kept their love life secretive and never made public appearances together.

Source: Facebook
- They dated for several months before calling it quits. Liam was born after they broke up.
- Hello! magazine has mentioned Bridget as Kevin’s second wife; however, they have never confirmed their wedding.
Paternity Test
- When Bridget was pregnant with Liam, Kevin demanded a paternity test.
- The reports proved him as Liam’s biological dad.
- Kevin has founded a sizeable trust fund for Liam just in case.
Mother Married Billionaire Bill Koch
- In 2005, his mother, Bridget Rooney married billionaire Bill Koch in Colorado.

Source: Palm Beach Florida Weekly
- Bridget’s husband is 22-years older than her.
- As of 2021, Liam’s stepdad is worth a whopping $1.7 billion.
Do We Know Liam’s Profession?
- Liam Costner currently works at Frankel-Bell Realty. Yes, he’s a real estate agent.
- His father, Kevin is an actor and filmmaker who has already amassed $250 million worth of fortune.
- As already mentioned, his stepfather is worth $1.7 billion. A few years back in 2016, his net worth was estimated at $2.1 billion.
What about Liam’s Relationship?
- There’s this girl, Bella Moore. She seems to be the girlfriend of Liam Costner.
- But, are they really dating?
- We still aren’t sure. But, it does seem they are dating.

Source: Facebook
For more updates, subscribe to ConciseMag.