By Julia Banim Having risen to fame as Derry Girls’ hysterical Sister Michael, the ever-likable Siobhán McSweeney continues to delight viewers as the presenter of Channel 4’s The Great Pottery Show Down. Famously witty, whether in character or presenting mode, the 44-year-old actor never fails to raise a smile, however, she has had to navigate some very tough times in her life. As County Cork-born Siobhán returns for the seventh season of the beloved clay-throwing show, we take a look at her life behind the scenes, from her complicated grief after losing her parents, to the terrifying house fi…