Hayes Logan Costner was born on Feb. 12, 2009, in L.A., weighing 8 lbs., 15 oz. At the time of his birth, Costner revealed that his moniker was inspired by a cowboy character in a Western film that he was working on, noting that Hayes is "a great Western name."

Kevin Costner and his wife are proud parents of a baby boy, his publicist Arnold Robinson said. Costner’s wife Christine Baumgartner, 34, gave birth to Hayes Logan Costner on Thursday night in Los Angeles. He weighs 8 pounds, 15 ounces. Costner went back to the old West to find a name for his new son.