Siobhán McSweeney is most familiar as Sister Michael, the Headmistress of Our Lady Immaculate Girls' School in Channel 4 comedy Derry Girls.Tonight the actress will try her hand at pottery as she appears on The Great Pottery Throw Down but how old is Siobhán?While she is known onscreen as Sister Michael, the age of the actress is not known.Siobhán prefers to keep her personal life private meaning not much is known of her life away from the screen.However, Siobhán has previously spoken out on her role on Derry Girls.On the show, her character Sister Michael has become a well-loved character to many fans of the show.Talking of her role in the series, the actress opened up on the sense of confidence she feels as Sister Michael as she admits it.
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