Doireann is a graduate of the RADA BA in Acting. She recently appeared in the Rose Theatre productions of ROMEO & JULIET and RICHARD III. Prior to this she understudied the role of Mairead in a highly successful West End run of Martin McDonagh's THE LIEUTENANT OF INISHMORE alongside Aidan Turner and directed by Michael Grandage at the Wyndhams Theatre.

Other recent theatre roles include Ciara in Erica Murray's THE CAT'S MOTHER directed by Jackie Fisher for Wildcard Theatre, Miss Prism in THE IMPORTANCE OF BEING EARNEST and Jane Bennett in PRIDE & PREJUDICE directed by Nona Shepphard for Classic Cuts, Vicky in CHRISTMAS AT MILDRED'S directed by Rosie Jones for Dollygrip Productions, Olive Day in Mark O'Rowe's CRESTFALL directed by Sara Joyce for Whispering Beasts, Mari in THE SWEETHEARTS directed by Daniel Burgess for the Finborough Theatre, and Sara in THERE IS NO FAILURE, ONLY FEEDBACK directed by Dan Jennings for Huntley Street.

Roles in short films include the title role in MAEVE directed Alexander M. Martinez, Leah in THOSE WHO ARE LOST and the Girl in NOTHING SURROUNDED BY US directed by Sam McMullen, and Jackie in IMPACT directed by Ed Hicks. She also appeared in the role of Ciara in web series STALLING, directed by Bryan Moriarty and as Hazel in the RTE Storyland web series STUDENT/TEACHER, directed by Giles Brody.

Doireann is based in London.