I am trying to trace my 3xg grandmother. Here is what I know. I think her last name was Kahiler Keleher/Kahlershe married Peter Fitzgerald in Cork Irelandabout 1770 to 1790. I understand that they had about 13 childern all but 0ne were girls and that was the last one WILLIAM .There was a family busniess something to do with fabrick.Peter & this brother Mikewere in charge . After Peter passed away,William & his wife left the county.They called Mike BLACK MIKE.