Show ContentsGeohan History, Family Crest & Coats of Arms

The original Gaelic form of the Geohan surname is Mag Eochagain, a patronymic derived from the personal name Eochaidh.

Early Origins of the Geohan family

The surname Geohan was first found in the county of Westmeath (Irish: An Iarmhí) in the Irish Midlands, province of Leinster, in the barony of Moycashel at Kilbeggan where they held a family seat from ancient times. Traditionally, the Geohans are said to descend from Fiacha, son of Niall of the Nine Hostages.

Early History of the Geohan family

This web page shows only a small excerpt of our Geohan research. Another 148 words (11 lines of text) covering the years 1172, 1186, 1291, 1291, 1603, 1600, 1689, 1580, 1650, 1702, 1763, 1800 and 1749 are included under the topic Early Geohan History in all our PDF Extended History products and printed products wherever possible.

Geohan Spelling Variations

During the Middle Ages, a standardized literary language known by the general population of Ireland was a thing of fiction. When a person's name was recorded by one of the few literate scribes, it was up that particular scribe to decide how to spell an individual's name. So a person could have several spelling variations of his name recorded during a single lifetime. Research into the name Geohan revealed many variations, including Geoghegan, Gagahan, Gahagan, Gahaghan, Gaghan, Gegan, MacGeoghegan, Geohan and many more.

Early Notables of the Geohan family (pre 1700)

Prominent amongst the family at this time was Conal MacGeoghegan (circa 1580-1650) Chief of the sept MacGeoghegan, historian who translated the Annals of Clonmacnoise; James MacGeoghegan (1702-1763) of Westmeath, an ordained priest in Paris, who wrote a "History of Ireland;" and Edward Geoghegan of Dublin was one of the most eminent surgeons of his time (early 1800s). Usher Gagahan (d. 1749), was an Irish classical scholar, belonged to a good family of Westmeath, Ireland; was educated at Trinity College, Dublin, but took...
Another 80 words (6 lines of text) are included under the topic Early Geohan Notables in all our PDF Extended History products and printed products wherever possible.


United States Geohan migration to the United States +

The 18th century saw the slow yet steady emigration of Irish families to British North America and the United States. Those early Irish settlers that left their homeland were typically moderately well off: they were enticed by the promise of a sizable plot of land. However, by the 1840s, this pattern of immigration was gone: immigrants to North America were seeking refuge from the starvation and disease that the Great Potato Famine of that decade brought. The great numbers of Irish that arrived to the United States and the soon to be Canada were instrumental in their quick development as powerful industrial nations. An examination of early immigration and passenger lists uncovered many early immigrants bearing the name Geohan:

Geohan Settlers in United States in the 19th Century
  • John and Thomas Geohan, who arrived in Philadelphia between 1840 and 1860


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