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O'Casidey History, Family Crest & Coats of Arms



Irish names tend to vary widely in their spelling and overall form. The original Gaelic form of the name O'Casidey is O Caiside.

Early Origins of the O'Casidey family


The surname O'Casidey was first found in Fermanagh (Irish: Fear Manach) in the southwestern part of Northern Ireland, Province of Ulster, where the Irish sept claims direct descent from the Irish King Colla da Crioch who was banished from Ireland in 327.

Early History of the O'Casidey family


This web page shows only a small excerpt of our O'Casidey research.
Another 191 words (14 lines of text) covering the years 1143, 1143 and 1740 are included under the topic Early O'Casidey History in all our PDF Extended History products and printed products wherever possible.

O'Casidey Spelling Variations


People who were accounted for by scribes and church officials often had their name recorded many different ways because pronunciation was the only guide those scribes and church officials had to go by. This resulted in the problem of one person's name being recorded under several different variations, creating the illusion of more than one person. Among the many spelling variations of the surname O'Casidey that are preserved in archival documents are Cassidy, Cassady, Cassiday, Cassedy, Cassedey and others.

Early Notables of the O'Casidey family (pre 1700)


Another 26 words (2 lines of text) are included under the topic Early O'Casidey Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Casidey family to the New World and Oceana


A great mass of Ireland's native population left the island in the 19th century, seeking relief from various forms of social, religious, and economic discrimination. This Irish exodus was primarily to North America. If the migrants survived the long ocean journey, many unfortunately would find more discrimination in the colonies of British North America and the fledgling United States of America. These newly arrived Irish were, however, wanted as a cheap source of labor for the many large agricultural and industrial projects that were essential to the development of what would become two of the wealthiest nations in the western world. Early immigration and passenger lists indicate many people bearing the O'Casidey name: Patrick Cassidy who settled in Rhode Island, and later moved to Norwich in Connecticut, where he became one of America's first surgeons. Edward, Hugh, James, John, Patrick, Thomas and William Cassady who all arrived in Philadelphia between 1840 and 1865.

The O'Casidey Motto


The motto was originally a war cry or slogan. Mottoes first began to be shown with arms in the 14th and 15th centuries, but were not in general use until the 17th century. Thus the oldest coats of arms generally do not include a motto. Mottoes seldom form part of the grant of arms: Under most heraldic authorities, a motto is an optional component of the coat of arms, and can be added to or changed at will; many families have chosen not to display a motto.

Motto: Frangas non flectes
Motto Translation: Thou may'st break, but shalt not bend me.


O'Casidey Family Crest Products



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