My g-grandfather Patrick Carroll was born abt. 1847 in Limerick, Ireland.he married Mary Elizabeth Carson of Scranton, PA and they eventually settled in Chicago.They had several children: John (1887-1964)Margaret (1881-1963) Elizabeth (unk.) Catherine (1879-1971)and probably several I've missed.He was a "fireman" for the railroad. (He shoveled coal.)Any information connecting with anyone would be helpful.