Mary Katherine Gallagher was a fictional character that Molly Shannon portrayed on Saturday Night Live from 1995 to 2001. The character became one of the most popular characters on the show during that time frame. Shannon played the Gallagher in the 1999 film, Superstar.
In this skit, Mary Katherine wants to join the Black Angels gang, and she’ll do anything to get in. Enjoy this look back at a classic ’90s SNL skit featuring Molly Shannon at Mary Katherine Gallagher in 1999!