Anyone who has Irish ancestors is usually eager to find out just where in Ireland they came from. This can be a very difficult task for researchers, given the limited information typically given in historic documents about Irish ancestors, especially those of the famine era (1840's-1860's).  Professional genealogist Lisa Dougherty will focus on sources to use here in the United States to help identify a place of origin for your Irish ancestor, and hopefully help further your research with Irish sources.