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O'Rilly History, Family Crest & Coats of Arms



The O'Rilly surname originally appeared in Gaelic as O Raghailligh, which means descendant of Raghallach.


Early Origins of the O'Rilly family


The surname O'Rilly was first found in County Cavan. They were known as the Princes of East Breffny, descended from Raghallaigh, Prince of Breffny in 981. They maintained their territory during the Anglo/ Norman invasion of Strongbow, Earl of Pembroke, in 1172, but Sir John O'Reilly, Prince of Breffny surrendered the principality to Queen Elizabeth I thereby ensuring that his territories remained intact.

Early History of the O'Rilly family


This web page shows only a small excerpt of our O'Rilly research.
Another 95 words (7 lines of text) covering the years 1598, 1669, 1630, 1695, 1689, 1640, 1703, 1689, 1646, 1691 and 1667 are included under the topic Early O'Rilly History in all our PDF Extended History products and printed products wherever possible.

O'Rilly 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'Rilly that are preserved in archival documents are O'Reilly, O'Reilley, O'Reily, O'Rielly, O'Riely, O'Riley, O'Rilley, Reel and many more.

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


Notable amongst the family name at this time was Count John O'Reilly; Edmund O'Reilly (1598-1669), Roman Catholic Archbishop of Armagh; Hugh Reily (Reilly or O’Reilly) (c.1630-1695) Irish Member of Parliament for Cavan Borough in the Patriot Parliament of 1689; Philip Og O’Reilly (Gaelic was Phillip Óg O’Raghallaigh)(c.1640-1703), Irish...
Another 48 words (3 lines of text) are included under the topic Early O'Rilly Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Rilly 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'Rilly name: the families who settled in Newfoundland - in St. John's, Tilton Harbour, Placientia, Tickle Bay, Tilt Cove, and many more, between 1805 and 1871; James O'Reiley settled in New York in 1823.

O'Rilly Family Crest Products



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