Show ContentsO'Derreck 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'Derreck is Ó Deirg, from the word "dearg," which means red. 1

Early Origins of the O'Derreck family

The surname O'Derreck 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'Derreck family

This web page shows only a small excerpt of our O'Derreck research. Another 127 words (9 lines of text) covering the years 1557, 1578, 1601, 1608 and 1656 are included under the topic Early O'Derreck History in all our PDF Extended History products and printed products wherever possible.

O'Derreck Spelling Variations

Within the archives researched, many different spelling variations of the surname O'Derreck 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'Derreck family

Notable among the family name at this time was Donogh Dáll Ó Derrig, aka Blind Donogh O'Derrick, Irish rapparee, executed December 1656. Thomas Derrick (fl. 1608) was an English executioner. Little is known of his lineage. However, he was convicted of rape, and was subequently pardoned if he became the executioner at Tyburn. Derrick executed more than 3,000 people in his career, including his pardoner, the Earl of Essex, in 1601. The...
Another 70 words (5 lines of text) are included under the topic Early O'Derreck Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Derreck family

A massive amount of Ireland's native population left the island in the 19th century for North America and Australia in hopes of finding more opportunities and an escape from discrimination and oppression. A great portion of these migrants arrived on the eastern shores of the North American continent. Although they were generally poor and destitute, and, therefore, again discriminated against, these Irish people were heartily welcomed for the hard labor involved in the construction of railroads, canals, roadways, and buildings. Many others were put to work in the newly established factories or agricultural projects that were so essential to the development of what would become two of the wealthiest nations in the world. The Great Potato Famine during the late 1840s initiated the largest wave of Iris immigration. Early North American immigration and passenger lists have revealed a number of people bearing the name O'Derreck or a variant listed above: 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.



  1. MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)


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