I'm searching for information about my great grandmother, Kathryn Farley. Census forms have her first name listed as Catherine. She came here from Ireland mid-1800s and married Obediah Pratt of Malden, Massachussetts. They left there and settled in LaCrosse, Wisconsin. She was the daughter of Catherine Farrar Horihan and Francis Farley. If anyone has information or knows where I can find information on 19th century immigrants I'd appreciate it! I find that all my lines from that time are difficult to trace. Thanks!