O'Caherny is used as a family name or surname in Ireland. It is 9 characters long in length.
A variant form of the O'Kearney. The sept of O'Kearney is placed, by O'Dugan's Topography of Ireland, in that part of Westmeath that is called Teffia; but Ortelius's map places a clan of the name in county of Cork, and they also appear to have been territorial in county of Clare. The elder family of this name adopted the sobriquet of Sionnach, or Fox, and by the English appellation one of the family was created Baron of Kilcoursey by Queen Elizabeth. The name occurs as O'Kerny in the XI, and as O'Cearney in the XII century.
Modification of the Arney. Descendant of little Arnold that means leagle, rule.
O'Caherny is the variation of the Carney. Grandson of Cearnach that means victorious.
O'Caherny is a form of Kearney. Grandson of Carney meaning "victorious in battle".
An adaptation of Arney. A nick-name for Arnold, whence Arnison.