The name ‘Casey’ originates from Ireland. It is an Anglicized form of Gaelic in the form ‘O Cathasaigh’ in itself a descendant of ‘Cathasach’, a byname meaning ‘Vigilant’ or ‘Noisy’. ‘Casey’ is also a rare Ulster surname ‘Mac Catasaiz’ which means ‘son of ‘Catarac’ meaning ‘Vigilant’ and ‘Warchful’ it is an old surname from County Monagham and County Armagh. Variant ‘O’Casey’. This name is now very rare in it´s previous form. Information compiled from Historical and Private archives has confirmed that the name ‘Casey’ dates as far back as the 14th century were a certain ‘Nicholas Mac Cathasaigh’ was Bishop of Clogher’ and several gentlemen of the name in County Armagh, are mentioned as having recieved a pardon from Queen Elizabeth. The exact period of settlement in North America has not been definately determined but Information extracted from Public and Civil registry archive’s confirm that one of the first settlers was a certain ‘John Casey’ , aged 21, a baker by trade, from London, England, emigrated to North America in 1774. …
Coat of arms: Argent, a chevron between thr…