Parents: David Olsen, Jarnette Olsen (They're divorced)
Siblings: Trent (2 yrs. older) Ashley (2 min. older than Mar-Kate) Elizabeth (2 yrs. younger than MKA)
Middle Name: none
First T.V. Show: Full House
First Record: Brother For Sale
First Video: Our First Video
First T.V. Movie: To Grandmother's House We Go
First Feature Film: It Takes Two
Favorite Color: Blue
Favorite Ice Cream Flavor: Mocha
Twin-ness: Fraternal, not Identical
Mary-Kate Fun Facts
Mary-Kate is Outgoing and more talkative.
Mary-Kate likes to go horsebackriding
Personal Quote: "When we go out to dinner Ashley will dress up, where I'll just where something like this (Khakis and a shirt)."
Mary-Kate loves to where jeans and a T-shirt.
Mary-Kate is shorter than her twin and has lighter hair than Ashley's, and has a freckle on her cheek.
Mary-Kate likes to play practical jokes on the TOAK set.
Mary-Kate is Left Handed.
Cute quote I've read about left-handers, I don't mean to affend anyone by this: If the right side of your brain controls your left side. Than only left-handed people are in their right minds.