Mac An tSagairt
Mac an tSAGAIRT—VII—MacEntaggart, MacEntaggert, MacEntegart, MacIntaggart, MacInteggart, MacTaggart, MacTeggart, Taggart, Teggart, Tegart, Tiger, etc.; 'son of the priest' (Irish 'sagart', Latin 'sacerdos'); an Ulster surname.
Alphabetical Index to Irish Surnames