All my Crotty's came from the townland of FODRY,Kilbaha,Co Clare which adjoins ROSS.I am fairly confident that we are not related as I have not found any Crotty connection with ROSS dating back to 1760.
Have you any information on Mary Gorman?
My mothers maiden name was O'Gorman.
My grandmothers maiden name was Crotty.
I have invited you to my ancestry.com site so that you can double check and advise if you locate any new leads.