The surname Derry 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.
(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
. In 1609, the O Doireidh family were listed as erenagh of Columbkil, where in the 13th century Maeliosa O Dioreidh was bishop.
This web page shows only a small excerpt of our Derry 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 Derry History in all our PDF Extended History products and printed products wherever possible.
of this family name include: Derry, Deery, O'Derry, O'Deery, O'Diera, O'Deary and many more.