My g grandfather was Martin Geraghty from Mullagh, Killsallagh, Westport (Parish Oughavale). He married Mary Burke from Feenune, Louisburgh. Their children were Martin, Patrick, Michael, Hugh, Mary (Boston), Margaret (NY), Thomas, Catherine (Chicago/Hawaii), William (died age 17). His father was Pat and married a Mary.
However, there was also a Pat and Mary (poss Moran) in Falduff with children of similar names. (Michael, Mary, Hugh and Honoria).
There wer more Geraghty's in Lecnavey and Culleens.
Love to hear from you if can add anything.
Regina (Cavan and Westport)