Billings Public Library will host a series of programs on Irish genealogy, in conjunction with the exhibit, “Erin’s Exiled Children: The Irish of America and the Making of Modern Ireland,” in August.  Entitled “An Introduction to Irish Genealogy Online,” it is presented by PJ Smith of the Yellowstone Genealogy Forum, and will take place at 6:30 p.m. on Thursday, Aug. 3, in the community room.