Show ContentsMacHenry History, Family Crest & Coats of Arms

The Irish name MacHenry was originally written in a Gaelic form as Ó hInneirghe, which is derived from an adjective meaning easily roused early.

Early Origins of the MacHenry family

The surname MacHenry was first found in County Tyrone (Irish:Tír Eoghain), the ancient territory of the O'Neills, now in the Province of Ulster, central Northern Ireland, where they held a family seat at Cullentra. From here, the head of this Irish sept extended his territories into the valley of Glenconkeiny in County Londonderry.

Meilor Fitzhenry (d. 1220), was "Justiciar of Ireland, was the son of Henry, the bastard son of King Henry I, by Nesta, the wife of Gerald of Windsor, and the daughter of Rhys ab Tewdwr, king of South Wales. He was thus the first cousin of Henry II, and related to the noblest Norman and native families of South Wales. " 1

Early History of the MacHenry family

This web page shows only a small excerpt of our MacHenry research. Another 54 words (4 lines of text) covering the years 1172, 1753, 1785, 1796, 1800, 1816 and 1845 are included under the topic Early MacHenry History in all our PDF Extended History products and printed products wherever possible.

MacHenry Spelling Variations

Those scribes in Ireland during the Middle Ages recorded names as they sounded. Consequently, in this era many people were recorded under different spellings each time their name was written down. Research on the MacHenry family name revealed numerous spelling variations, including O'Henry, Fitzhenry, MacHenry, MacEnery, MacEniry and others.

Early Notables of the MacHenry family

Prominent amongst the family at this time was James McHenry (1753-1816), American (Irish-born) patriot in the American Revolution; Secretary of War 1796-1800, and private secretary to...
Another 26 words (2 lines of text) are included under the topic Early MacHenry Notables in all our PDF Extended History products and printed products wherever possible.


United States MacHenry migration to the United States +

Thousands of Irish families left for North American shores in the 19th century. These people were searching for a life unencumbered with poverty, hunger, and racial discrimination. Many arrived to eventually find such conditions, but many others simply did not arrive: victims of the diseased, overcrowded ships in which they traveled to the New World. Those who lived to see North American shores were instrumental in the development of the growing nations of Canada and the United States. A thorough examination of passenger and immigration lists has disclosed evidence of many early immigrants of the name MacHenry:

MacHenry Settlers in United States in the 19th Century
  • Henry MacHenry, who settled in New York in 1803
  • Dan and Eleanor MacHenry, who settled in Virginia in 1805
  • Archibald, Duncan, George, Hugh, James, John, Mark, Robert, Samuel and William MacHenry all, who arrived in Philadelphia between 1840 and 1860
MacHenry Settlers in United States in the 20th Century
  • Mary Bouon MacHenry, aged 23, who immigrated to the United States, in 1904
  • Robert C. Machenry, aged 65, who immigrated to the United States, in 1906
  • Paul MacHenry, aged 28, who settled in America from Lisburn, Ireland, in 1911
  • George MacHenry, aged 41, who landed in America, in 1916
  • Bernice MacHenry, aged 33, who settled in America, in 1919
  • ... (More are available in all our PDF Extended History products and printed products wherever possible.)


  1. Smith, George (ed), Dictionary of National Biography. London: Smith, Elder & Co., 1885-1900. Print


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