Derived from a Scottish place Ailsa Craig, a small island off the Ayrshire Coast. Also used to Anglicize Ealasaid, the Gaelic form of Elizabeth. (AIL-SA)
Unique choice; a feminine form of Angus, the Anglicized form of the Gaelic Aonghus and Aonghas, both of which are derived from the element aon (one, choice, preeminent). (AIN-GUH-SEE-NAH)