March 7: “Irish Genealogy Essentials” ancestry class with Barbara Friis at the Heritage Library Foundation, 1:30-3:30 p.m. Topics include land divisions and the importance of discovering your ancestor’s “townland”; the 1901 & 1911 census, 19th century fragments & pre-1800 census substitutes; Griffith’s Valuation and tithe applotment books; the Ulster Plantation and more. Pre-registration is required. 2 Corpus Christi, Ste. 100. (843) 686-6560 or www.heritagelib.org.