Show ContentsConnahan History, Family Crest & Coats of Arms

The Connahan surname comes from a proud and ancient past. The name Connahan appeared originally in Gaelic as Ó Connachtain. 1

Early Origins of the Connahan family

The surname Connahan was first found in County Sligo (Irish: Sligeach), in the province of Connacht in Northwestern Ireland, where they held a family seat from very ancient times.

Early History of the Connahan family

This web page shows only a small excerpt of our Connahan research. Another 91 words (6 lines of text) are included under the topic Early Connahan History in all our PDF Extended History products and printed products wherever possible.

Connahan Spelling Variations

People who were accounted for by scribes and church officials often had their name recorded many different ways because pronunciation was the only guide those scribes and church officials had to go by. This resulted in the problem of one person's name being recorded under several different variations, creating the illusion of more than one person. Among the many spelling variations of the surname Connahan that are preserved in archival documents are Cunigan, Conigan, Cunnigan, Conaghan, Conaughan, O'Cunigan, O'Conaghan, Connaghan, Connaughan, Kinneghan, Kinnegan and many more.

Early Notables of the Connahan family

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


United States Connahan migration to the United States +

A great mass of Ireland's native population left the island in the 19th century, seeking relief from various forms of social, religious, and economic discrimination. This Irish exodus was primarily to North America. If the migrants survived the long ocean journey, many unfortunately would find more discrimination in the colonies of British North America and the fledgling United States of America. These newly arrived Irish were, however, wanted as a cheap source of labor for the many large agricultural and industrial projects that were essential to the development of what would become two of the wealthiest nations in the western world. Early immigration and passenger lists indicate many people bearing the Connahan name:

Connahan Settlers in United States in the 19th Century
  • Nancy Connahan, who settled in Boston, Massachusetts in 1847


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


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