O'Deary History, Family Crest & Coats of Arms

The surname O'Deary can come from both the original Irish surnames O Daighre and O Doireidh. The names Derry and Deery are used synonymously, but originally the name Derry came from O Doireidh, and Deery from O Daighre.

Early Origins of the O'Deary family

The surname O'Deary was first found in north-west Ulster (Irish: Ulaidh), where the O Daighre were the erenagh family of Derry Church and the O Doireidh were the erenagh family of nearby Donaghmore in the diocese of Raphoe in Donegal. In 1609, the O Doireidh family were listed as erenagh of Columbkil, where in the 13th century Maeliosa O Dioreidh was bishop.

Early History of the O'Deary family

This web page shows only a small excerpt of our O'Deary research. Another 74 words (5 lines of text) covering the years 1574, 1576, 1609, 1663, 1666, 1671, 1801, 1820, 1847, and 1870 are included under the topic Early O'Deary History in all our PDF Extended History products and printed products wherever possible.

O'Deary Spelling Variations

Spelling variations of this family name include: Derry, Deery, O'Derry, O'Deery, O'Diera, O'Deary and many more.

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

Another 33 words (2 lines of text) are included under the topic Early O'Deary Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Deary family

Some of the first settlers of this family name or some of its variants were: Nancy Derry, who immigrated to St. John, New Brunswick in 1833; John Derry, who settled in St. John, New Brunswick in 1834; Bridget, Mary, and Daniel Deery, who landed in Philadelphia in 1847.



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