Siobhán McSweeney

Actor · Born December 27, 1979 · County Cork, Ireland

Biography

Siobhán McSweeney (born 27 December 1979) is an Irish actress and presenter. She is best known for her role as Sister Michael in Derry Girls. McSweeney was born in County Cork, Ireland where she grew up in Aherla. Before acting, she earned a science degree at the University College Cork. In 2001, she moved to London when she secured a place at the Central School of Speech and Drama.

Acted in 24

2020s

2026
Madfabulous
Blanche
National Theatre Live: The Playboy of the Western World
Widow Quin
The Dickie Show
TV
2025
Nine Bodies in a Mexican Morgue
Lisa Davies · 5 episodes
64
Amandaland
Della · 12 episodes
73
2024
Spud
Spud
2023
Extraordinary
Mary · 1 episode
76
2022
Redemption
Jane Connolly · 6 episodes
Holding
as Bríd Riordan · 4 episodes
2021
The Electrical Life of Louis Wain
Dr Cooke
67
Happy Days
Winnie
2020
Nowhere Special
Pam
80
Scrubber
Scrubber
Anthony
Luighsearch Kelly
The Widow
Eileen

2010s

2019
Extra Ordinary
Boring Noreen
73
2018
Celebrity Catchphrase
TV · 11 Seasons · Reality TV · Family
Derry Girls
Sister Michael · 19 episodes
84
2017
Porters
Alice · 3 episodes
2016
Alice Through the Looking Glass
Witzender
50
2015
No Offence
Ruth Cheetham · 6 episodes
79
2013
London Irish
Aoife · 1 episode
The Fall
Mary McCurdy · 5 episodes
80

2000s

2006
The Wind That Shakes the Barley
Julia (uncredited)
79

Directed 1

2020s

2024
Spud
Director

Produced 1

2020s

2024
Spud
Executive Producer

Appearances11

2020s

2026
Celebrity Sabotage
Self - Narrator (voice) · 6 episodes
2025
The Traitors Ireland
Self - Host · 24 episodes
71
The Traitors Ireland Uncloaked
Self - Guest · 2 episodes
2024
Maddie + Triggs
Narrator (voice) · 52 episodes
2022
Brian Friel: Shy Man, Showman
Self
2021
Exploring Northern Ireland With Siobhán McSweeney
Self - Presenter · 4 episodes