Sadhbh is a variant of the name Sadb, which is rooted in Irish mythology. The name is associated with a figure who was transformed into a doe by a dark druid and later became the mother of Oisín by Fionn mac Cumhail. The name carries connotations of enchantment, transformation, and resilience, reflecting the mythological narrative of Sadhbh's life and her significance in Irish folklore.