She got the 1984 all around gold, but reputably her best event was vault :D
She has three brothers Ronnie Retton, Donnie Retton, and Jerry Retton and one sister, Shari Retton.
Mary Bogue's birth name is Mary Lou Binner.
Bonnie Lou's birth name is Mary JoAn Kath.
Mary Lou Retton's family changed their last name from Rotundo to Retton when they arrived at Ellis Island.