Is Katie McElhenney related to Rob McElhenney?

Rob McElhenney and Katie McElhenney are related by blood. Rob was raised alongside a sister named Katie McElhenney.

Rob McElhenney also has a half-sister and step-sister from his father’s side. He is the cousin of Olympic rower Marcus McElhenney. He was brought up by his parents Helena McElhenney and Robert McElhenney who were both of Irish descent.

Rob McElhenney is best known by fans as the co-creator, executive producer, co-writer, and occasional director of the FX/FXX comedy series It’s Always Sunny in Philadelphia, in which he starred as Ronald “Mac” McDonald.

Rob McElhenney has also got roles with small parts in the films A Civil Action, Wonder Boys, and Thirteen Conversations About One Thing. He has also made appearances in the films Latter Days, The Tollbooth, and Law & Order episode “Thrill”. He is also known for his role as Ian Grimm on the Apple TV+ comedy series Mythic Quest (2020–present).