Mary-Lou works as an Actor across many disciplines including Theatre, Dance, Television, Film and Radio, both in the English and Irish language. Credits include touring the USA with the Abbey Theatre in the TYA show "Me, Mollser", two years as part of the ensemble of Brokentalkers’ award-winning "The Blue Boy", as well as shows for The Gate, The Ark, the Dublin Dance Festival and Dublin Theatre Festival. Most recently she devised and performed in a new street theatre show -"The Foolhardy Three" - for the Spraoi Festival, Waterford (Dir. Miquel Barcelo, Curious State). Mary-Lou works frequently in the Irish language, mostly with TG4. She was a regular character in the long-running and multi-award winning series for children Aifric.
Mary-Lou also creates her own theatre productions, including the immersive comedy-drama "Life Behind The Venue" at the Everyman, Cork and The Project Arts Centre, Dublin. Since 2016 she has been developing a show for young audiences with support of an Artist Bursary Award from Cork City Council Arts Office and a Tiny Shows bursary from Branar Theatre. in 2016, Mary-Lou was chosen to participate on Theatre Lovett's "Time To Play" residency to support the development of a new show for young people. Mary-Lou is a regular contributor to RTE Radio One’s Funny Friday on Liveline, writing and performing sketches including her surreal take on the life of Melania Trump.