Kaitlin Olson was born August 18, 1975 outside of Portland, Oregon.
She received her first big acting break on the series "Curb Your Enthusiasm" where she played the role of Cheryl Hines' sister. Ms. Olson went on to appear in "The Drew Carey Show" prior to getting her pivotal role on the series "It's Always Sunny in Philadelphia" where she plays the character of Sweet Dee.
Kaitlin Olson is married to her "It's Always Sunny in Philadelphia" co-star Rob Mcelhenney.
Kaitlin Olson stands at a height of 5 feet 9 inches tall.
Kaitlin Olson gallery