She hails from derry, northern ireland, where her passion for acting took root She is best known for her role as michelle mallon in the channel 4 sitcom derry girls (2018) O'donnell was born to a large family in derry, northern ireland She attended st anne's primary school, st cecilia's college, and north west regional college She began acting at a young age in school plays O’donnell was born on 4 march 1987 in derry, northern ireland.
She was born on 4th march 1987, making her star sign a pisces.
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