The O`raghallaigh surname originally appeared in Gaelic as O Raghailligh, which means descendant of Raghallach.
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
, 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 189 words (14 lines of text) covering the years 1598, 1669, 1630, 1695, 1689, 1640, 1703, 1689, 1646 and 1691 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
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 (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... Another 35 words (2 lines of text) are included under the topic Early O`raghallaigh Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the O`raghallaigh family to the New World and Oceana
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'Reiley settled in New York in 1823.