• Only until Season 30 airs!
  • Check out our page on the currently ongoing Tapped Out event, Itchy & Scratchy Land!
  • Wikisimpsons has a Discord server! Click here for your invite! Join to talk about the wiki, Simpsons and Tapped Out news, or just to talk to other users.
  • Make an account! It's easy, free, and your work on the wiki can be attributed to you.
  • Welcome to Wikisimpsons!
TwitterFacebookDiscord

Mary-Kate Olsen

Wikisimpsons - The Simpsons Wiki
This article is about the character. For the guest star, see Mary-Kate Olsen.
Mary-Kate Olsen
Mary-Kate and Ashley Olsen.png
Character Information
Gender:
Female ♀
Status:
Alive
Hair: Blond
Occupation: Actress
Relatives: Sister: Ashley Olsen
First Appearance: "Diatribe of a Mad Housewife"
Voiced by: Herself


Mary-Kate Olsen is an American actress. She is the twin sister of Ashley Olsen.

History[edit]

Mary-Kate and Ashley Olsen read the audiobook version of The Harpooned Heart. When one of them would finish their part, they would tell their sister to take it from there.[1]

Milhouse read the book Bye-Bye Boyfriend by Mary-Kate and Ashley. On the cover of the book, Mary-Kate and Ashley had left their boyfriends behind and were driving away. Milhouse said that sometimes he felt like the third Olsen twin since he had read all their books.[2]

Appearances[edit]

References[edit]