Siobhan Bryn was a female human on Canopus Planet in the 24th century. She worked as an art instructor, and often worked with emotionally traumatized children using art as therapy.

Sometime prior to 2372, she married Starfleet Lieutenant Pádraig Daniels, after a two-year engagement. (TNG eBook: Slings and Arrows: The Oppressor's Wrong) In 2374, they had a child. Following the end of the Dominion War, her husband resigned his Starfleet commission and returned to Canopus Planet with her and their child. (TNG novel: A Time for War, A Time for Peace)