Looking for Family Information. Fitzgerald's from Ballyduff, Co. Kerry. Beannaigh Dia!

Looking for any family information. My Great Gradmother came over to the US from Ballyduff. Her name was Margaret Mary Fitzgerald (b. 1888) and her parents were Edward J Fitzgerald and Catherine Fitzgerald (formerly Brassel). She had a sister that came with her. Her name was R. Fitzgerald (only have her first name initial) and she returned to Ireland. Thank you!