The girl was born Dec. 18 at a hospital in Chicago, the comedian’s hometown.
Locklyn Kyla Vaughn weighed 7 pounds and measured 20 inches at birth. The actor’s rep confirmed the news to People.
“Both of them couldn’t be happier to welcome their sweet little girl into their family!” said a friend of Vaughn and his wife.
Married in January 2010, the two are parents for the first time. The pregnancy was announced in July.
A source told People at the time: “They’re having so much fun together and they’re so excited to be first-time parents!”
Vaughn will be seen in the movie “The Dilemma,” with Kevin James, on January 14.