Menu Check out your Irish Roots and get help with your genealogy research

Irish Surname - Cassidy

The Irish surname Cassedy, also spelled Cassidy and Cassiday, originates from the Gaelic name "Ó Caiside," meaning "descendant of Caiside." The name is believed to have originated in County Fermanagh in Northern Ireland, but it is also found in other parts of the country, such as Counties Cavan, Longford, and Monaghan.

The name Cassedy and its variations can be found in other parts of the world as well, particularly in the United States, Canada, Australia, and the United Kingdom.

Names of famous people with the surname Cassidy

Variations of the Irish surname Cassedy

Cassidy, Cassedy, Casady, Casedy, Cassedy, O'Cassidy, and O'Casedy.

Coat of arms and motto of the Irish surname Cassedy

The Cassedy family crest features a shield with three gold lions on a blue background, representing strength and courage. Above the shield is a knight's helmet and a crown, symbolising nobility and honor.

The Cassedy family motto, "Fac et Spera," translates to "Do and hope." This motto reflects the idea that success is achieved through hard work and perseverance.

Please Note

There is often limited information available on a specific coat of arms and motto for an Irish surname. Sometimes there are many variations, sometimes none, we have compiled a representative, but by no means exhaustive, selection. Please visit our Coat of Arms and Motto page for more information.

DNA And Your Irish Roots


Interesting Irish Connections