Brady is an Irish sir name and first appeared as Mac Bradaigh which is derived from a Gaelic word meaning ‘spirited’. Another meaning for the name is said to be urging. He Brady’s were first reported to be living in Galway and county Clare where they had been living since ancient times and also had a family seat there. The family is said to descend from king of Munster olioll Ollum who reigned during 130 A.D. Later on these people migrated to other lands and then the name spread.