Wiig was born on August 22, 1973, in Canandaigua, New York, the daughter of Jon Arne Joseph Wiig, who ran a lake marina in Western New York, and Laurie Day (née Johnston), an artist. She has an older broth… See more

Wiig relocated to Los Angeles to act while working odd jobs to support herself. She performed with Empty Stage Comedy Theatre and The Groundlings. She felt improvisation was a better fit than acting, and being … See more

Wiig was married to actor Hayes Hargrove from 2005 to 2009, and dated The Strokes drummer Fabrizio Moretti from 2011 to 2013.
In 2019, after three years of dating, she became engaged to actor Avi Rothman. In January 20… See more