| ![Show Contents]() Mongan History, Family Crest & Coats of Arms
- Origins Available:
 Ireland All Irish surnames have a unique and often romantic meaning. The name Mongan originally appeared in Gaelic as Ó Mongain, which is derived from the word mongach, which means hairy. 1 Early Origins of the Mongan familyThe surname Mongan was first found in Connacht (Irish: Connachta, (land of the) descendants of Conn), where they held a family seat and styled as one of the Irish Clanns who were descendants of King Niall of the Nine Hostages. They were descended through Eochy Moyvane, to Niall Mor, his son, the great Niall of the Nine Hostages. Descended was O'Mongain the great chief of the Mangans whose territories included branches in Mayo, Connacht, Cork and Limerick. Early History of the Mongan familyThis web page shows only a small excerpt of our Mongan research. Another 83 words (6 lines of text) covering the years 1772, 1803 and 1852 are included under the topic Early Mongan History in all our PDF Extended History products and printed products wherever possible. Mongan Spelling VariationsThe search for the origins of the name Mongan family name revealed numerous spelling variations. These variants can be somewhat accounted for when it is realized that before widespread literacy people only recognized their name by pronunciation; it was up to scribes to decide how it was to be formally recorded. Variations found include Ó Mongain (Gaelic), Mangan, Mongan, Mongin, Mungan, Mungen, Mongun, O'Mongan, O'Mongin, O'Mungen, O'Mongun, O'Mongun, O'Mangan and many more. Early Notables of the Mongan familyMore information is included under the topic Early Mongan Notables in all our PDF Extended History products and printed products wherever possible.
 Mongan migration to the United States | + |
Thousands of Irish left in their homeland in the 18th and 19th centuries to escape the religious and political discrimination they experienced primarily at the hands of the English, and in the search of a plot of land to call their own. These immigrants arrived at the eastern shores of North America, early on settling and breaking the land, and, later, building the bridges, canals, and railroads essential to the emerging nations of United States and Canada. Many others would toil for low wages in the dangerous factories of the day. Although there had been a steady migration of Irish to North America over these years, the greatest influx of Irish immigrants came to North America during the Great Potato Famine of the late 1840s. Early North American immigration records have revealed a number of people bearing the Irish name Mongan or a variant listed above:
Mongan Settlers in United States in the 19th Century- Dennis, Francis, Henry, James, John, and Patrick Mongan, who arrived in Philadelphia, Pennsylvania between 1808 and 1871
| Contemporary Notables of the name Mongan (post 1700) | + |
- John C. Mongan, American Republican politician, Mayor of Manchester, New Hampshire, 1962-63, 1968-69 2
- MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)
- The Political Graveyard: Alphabetical Name Index. (Retrieved 2015, November 2) . Retrieved from http://politicalgraveyard.com/alpha/index.html
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Mongan migration to the United States 
