The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
Home›Entertainment›Actor›Rob McElhenney
Entertainment • Actor

Rob McElhenney

Rob McElhenney is an American actor, screenwriter, producer, director, and businessman best known for creating and starring as Mac on *It's Always Sunny in Philadelphia*.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Rob McElhenney is an American actor, screenwriter, producer, director, and businessman best known for creating and starring as Mac on *It's Always Sunny in Philadelphia*. He also co-created *Mythic Quest* and co-owns Wrexham A.F.C. with Ryan Reynolds, a partnership featured in *Welcome to Wrexham*. He is widely known in Canada through these shows, which have Canadian audiences and streaming availability.

Early life and background

Rob McElhenney was born in Philadelphia, Pennsylvania, on April 14, 1977. His birth name is Robert Dale McElhenney III.

Career

He is best known for creating and portraying Mac on *It's Always Sunny in Philadelphia*, which has run since 2005. He also co-created *Mythic Quest* and has worked as a writer, producer, and director.

Wrexham A.F.C. and documentary work

In 2020, McElhenney and Ryan Reynolds became co-owners of Wrexham A.F.C. Their ownership is documented in *Welcome to Wrexham*.

Personal life

McElhenney has been married to actress Kaitlin Olson since 2008. They have two children.

Key facts

  • Born in Philadelphia, Pennsylvania, in 1977.
  • Created and stars in *It's Always Sunny in Philadelphia*.
  • Co-created and starred in *Mythic Quest*.
  • Co-owns Wrexham A.F.C. with Ryan Reynolds.
  • Married actress Kaitlin Olson in 2008.
  • Has two children.
🍁
Canadian context

He is widely known in Canada through *It's Always Sunny in Philadelphia*, *Mythic Quest*, and *Welcome to Wrexham*, all of which have Canadian audiences and streaming availability.

Frequently asked questions

How old is Rob McElhenney?
He was born on April 14, 1977.
Who is Rob McElhenney married to?
He is married to actress Kaitlin Olson.
What happened to Rob McElhenney weight?
He has publicly changed his weight for roles and has discussed major weight gain and subsequent weight loss over time.
What is Rob McElhenney net worth?
A reliable, up-to-date net worth is not confirmed in the provided sources. Public estimates vary widely and should be treated cautiously.
Is Rob McElhenney in the new season?
He continues to be associated with *It's Always Sunny in Philadelphia* and *Welcome to Wrexham* in the provided sources, but the exact 'new season' is not specified.
How tall is Rob McElhenney?
He is listed at about 1.77 m, or 5 ft 9¾ in.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Rob_McElhenney
    Supports: Birth date, occupation, spouse, children, career overview, Wrexham co-ownership, and height listing.
  2. TV Insider — https://www.tvinsider.com/people/rob-mcelhenney/
    Supports: Birth date, age, birthplace, and spouse.
  3. IMDb — https://www.imdb.com/name/nm0568390/
    Supports: Height, birth date, spouse, and children.
  4. TVmaze — https://www.tvmaze.com/people/26568/rob-mcelhenney
    Supports: Career credits and marriage details.