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O'Derrock History, Family Crest & Coats of Arms



Irish names tend to vary widely in their spelling and overall form. The original Gaelic form of the name O'Derrock is O Deirg, from the word "dearg," which means red.

Early Origins of the O'Derrock family


The surname O'Derrock was first found in County Mayo (Irish: Maigh Eo) located on the West coast of the Republic of Ireland in the province of Connacht, where they held a family seat in the baronies of Carra, Erris, and Tyrawley. They were descended from Fiachra, brother of Niall Mor, more commonly known as King Niall of the Nine Hostages, perhaps Ireland's greatest General/King.

Early History of the O'Derrock family


This web page shows only a small excerpt of our O'Derrock research.
Another 253 words (18 lines of text) covering the years 165 and 1656 are included under the topic Early O'Derrock History in all our PDF Extended History products and printed products wherever possible.

O'Derrock Spelling Variations


Within the archives researched, many different spelling variations of the surname O'Derrock were found. These included One reason for the many variations is that scribes and church officials often spelled an individual's name as it sounded. This imprecise method often led to many versions. Derig, O'Derig, O'Derrig, Derrig, Derieg, Derick, Derrick, O'Derick, O'Derrick, O'Durrig, Durrig, Derigan, Derigen and many more.

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


Another 21 words (2 lines of text) are included under the topic Early O'Derrock Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Derrock family to the New World and Oceana


The 19th century saw a great wave of Irish families leaving Ireland for the distant shores of North America and Australia. These families often left their homeland hungry, penniless, and destitute do to the policies of England. Those Irish immigrants that survived the long sea passage initially settled on the eastern seaboard of the continent. Some, however, moved north to a then infant Canada as United Empire Loyalists after ironically serving with the English in the American War of Independence. Others that remained in America later joined the westward migration in search of land. The greatest influx of Irish immigrants, though, came to North America during the Great Potato Famine of the late 1840s. Thousands left Ireland at this time for North America, and those who arrived were immediately put to work building railroads, coal mines, bridges, and canals. In fact, the foundations of today's powerful nations of the United Sates and Canada were to a larger degree built by the Irish. Archival documents indicate that members of the O'Derrock family relocated to North American shores quite early: John Derick, who arrived in Philadelphia, Pennsylvania in 1865; Edward Derigan, who arrived in Philadelphia in 1875; the Widow Derrick, who settled in Georgia in 1738 with two sons and two daughters.

O'Derrock Family Crest Products



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