The name Sorcha is a girl's name of Irish origin meaning "bright, shining". Sorcha and is often added to lists like Irish Baby Names for Girls and discussed in our forums with posts like "Name Families From All Over Europe!".
From the experts:
A popular Irish name virtually unknown here — with a pronunciation that's far from obvious. It's basically SOR-ca, but with a little hiccup between the 'r' and the 'c' that's near-impossible for the English speaker to reproduce. Other phonetic pronunciations given are sir-eh-ka, sur-aka and surk-ha. Spelled Sorsha, she is a major character in the movie Willow.