Definitions

1. noun

a man who bears the surname O’Leary.

“The O’Leary family has been in Ireland for generations.”

2. proper noun

a surname of Irish origin.

“O’Leary is a common surname found in many countries.”

3. adjective

relating to or characteristic of the O’Leary family or people.

“The O’Leary clan has a long history of producing skilled craftsmen.”