description and/or full color picture of the Coat of Arms, Crest, and Motto (where available) McIlhenny Early Origins Spelling variations of this family name include: Kilkenny , MacKilkenny, MacElhinny, MacElheeny, MacIlhenny and many more. First found in County Derry, where the sept was of the Cenel Eoghain group. The St. Canice