- The youngest of six children.
- Met his wife at age 15.
- Took his mother's surname, Gillen, because another actor was already registered with the Actors Guild as Aidan Murphy.
- 2004, Tony — Actor (Featured Role--Play): Nominee
- 0, — :
- 2011, Screen Actors Guild Awards — Outstanding Performance by an Ensemble in a Drama Series: Nominee
- Olivia O'Flanagan — Wife
- Berry — Daughter
- Joe — Son
Season 5, Episode 4
- Birth Name: Aidan Murphy
- Birth Place: Drumcondra, Dublin, Ireland
- Birthday: April 24, 1968, Taurus
- Profession: Actor
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