>Maurice Ahern (b. 1862, d. 1952) and his sister Hannah Woods (nee Ahern)(b. 1859) were born in Ballymakeagh More, Co. Cork

http://homepages.rootsweb.ancestry.com/~aherns/ahgriff.htm shows a William Ahern in the Griffith's Valuation for Ballymakeagh Beg, Killeagh, Imokilly, Co. Cork.