A plaque has been erected in the town to commemorate the regular visits made to Lismore by Fred Astaire following an association developed by his sister, Adele Astaire, who was married to Lord Charles Arthur Francis Cavendish, son of The 9th Duke of Devonshire. A notable resident born in the town who has described her early life in Lismore, is the internationally renowned travel writer and world touring cyclist, Dervla Murphy. Another notable resident was George O'Brien, award-winning Irish memoirist, writer, and academic, who was raised by his paternal grandmother in Lismore, described in his memoir "The Village of Longing: An Irish Boyhood in the Fifties" (1987).