The O'Raghallaigh surname originally appeared in Gaelic as Ó Raghailligh, which means descendant of Raghallach.
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Early Origins of the O'Raghallaigh family
The surname O'Raghallaigh 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'Raghallaigh family
This web page shows only a small excerpt of our O'Raghallaigh research. Another 95 words (7 lines of text) covering the years 1598, 1630, 1640, 1646, 1667, 1669, 1689, 1691, 1695 and 1703 are included under the topic Early O'Raghallaigh History in all our PDF Extended History products and printed products wherever possible.
O'Raghallaigh Spelling Variations
Spelling variations of this family name include: O'Reilly, O'Reilley, O'Reily, O'Rielly, O'Riely, O'Riley, O'Rilley, Reel and many more.
Early Notables of the O'Raghallaigh family
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 politician, Member of Parliament for Cavan Borough in the... Another 48 words (3 lines of text) are included under the topic Early O'Raghallaigh Notables in all our PDF Extended History products and printed products wherever possible.
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Migration of the O'Raghallaigh family
Some of the first settlers of this family name or some of its variants were: 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'.
