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CASSIDY Family History

This famous Irish surname is an anglicized spelling of the original Gaelic O'Caiside - itself a compound with the elements "O" translating as "male descendant" and the personal name Caiside (derived from "cas" (curly hair), a nickname. The O'Cassidys were specifically from County Fermanagh in the province of Ulster and they provided physicians to the Kings of Ulster, the Clan Maguires particularly in the medieval period between the years 1300 and 1600. In fact at this time and through to the 19th century the O'Cassidy's were renowned for their education, providing a high proportion of the members of the priesthood in the region...

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Kerry Cassidy

Butch Cassidy was not a Cassidy! Robert LeRoy Parker (April 13, 1866 – November 7, 1908), better known as Butch Cassidy, was a U.S. train robber and bank robber, and the leader of a gang of criminal outlaws known as the "Wild Bunch" in the American Old West.

Cassidy

Butch Cassidy and the Sundance kid. Famous American story but Butch had grand parents who immigrated if I’m not mistaken.

Michael Monteforte

My great grandfather's name was jack Cassidy of county clare ireland

Areas of Origin for CASSIDY

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Can you support one of our Heritage Pilot Projects in your region of origin or linked to you surname(s)? We have THREE live pilots on now and we just need pledges from people to help with donations and fundraising.

Project one is a smart upgrade to The Pirate Queen, Grace O’Malley’s home on Clare Island, County Mayo to make it a ‘must visit’ tourist attraction.
Project two is a new ‘must visit’ Heritage Centre attract more Tourists to Carrick-on-Suir in County Tipperary.
Project three is a new Enterprise Centre in Carrick-on-Suir in County Tipperary.

If you would like to help with a donation pledge, or help fundraise, just submit your email here and we will send you more information on the projects and detail on how you can help.