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Grehan History, Family Crest & Coats of Arms



Irish surnames are all based on the Gaelic language native to Ireland. The original Gaelic form of the name Grehan is "O Gormghaile" in Connacht, or "O Goirmleadhaigh" in Ulster.

Early Origins of the Grehan family


The surname Grehan was first found in County Donegal (Irish: Dún na nGall), northwest Ireland in the province of Ulster, sometimes referred to as County Tyrconnel, where the Grehan family held a seat from very ancient times.

Early History of the Grehan family


This web page shows only a small excerpt of our Grehan research.
Another 208 words (15 lines of text) are included under the topic Early Grehan History in all our PDF Extended History products and printed products wherever possible.

Grehan Spelling Variations


Names from the Middle Ages demonstrate many spelling variations. This is because the recording scribe or church official often decided as to how a person's name was spelt and in what language. Research into the name Grehan revealed many variations, including Gormley, O'Gormley, Grehan, Gormleigh, Gormly, Gormlie, Grimes and many more.

Early Notables of the Grehan family (pre 1700)


More information is included under the topic Early Grehan Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the Grehan family to the New World and Oceana


Some of the first settlers of this family name were:

Grehan Settlers in Canada in the 19th Century

  • Mary Grehan, aged 20, who arrived in Saint John, New Brunswick in 1834 aboard the brig "Trafalgar" from Galway, Ireland

Grehan Family Crest Products



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