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An excerpt from www.HouseOfNames.com archives copyright © 2000 - 2016

In its ancient Gaelic form, the Irish name Mahan was written Mac Mathghamhna, which later became Mac Mathuna. Both names are derived from the word "mathghamhan," which means "bear."


The surname Mahan was first found in County Clare (Irish: An Clįr) located on the west coast of Ireland in the province of Munster, where the MacMahons were lords of Corca Baisgin; and possessed the greater part of the baronies of Moyarta and Clonderlaw.

The scribes who created documents long before either the Gaelic or English language resembled their standardized versions of today recorded words as they sounded. Consequently, in the Middle Ages the names of many people were recorded under different spellings each time they were written down. Research on the Mahan family name revealed numerous spelling variations, including MacMahon, MacMann, MacMahan, MacMohan and others.


This web page shows only a small excerpt of our Mahan research. Another 219 words (16 lines of text) covering the years 1119, 1715, 1780, 1519, 1606, 1644, 1600, 1650, 1643, 1650, 1660, 1737, 1707, 1715, 1715, 1737, 1680, 1747, 1727, 1737, 1737 and 1747 are included under the topic Early Mahan History in all our PDF Extended History products.


Another 217 words (16 lines of text) are included under the topic Early Mahan Notables in all our PDF Extended History products.


Irish immigrants began to leave the English-controlled Ireland in sizable numbers during the late 18th century. Many of these Irish immigrated to British North America or the United States in the hopes of gaining their own tract of farmland. This pattern of migration grew steadily until the 1840s when the Great Potato Famine caused a great exodus of immigrants to North America. These immigrants differed from their predecessors in that they were desperately fleeing the disease and starvation that plagued their homeland, and many were entirely destitute when they arrived in North America. Although these penniless immigrants were not warmly welcomed when they arrived, they were critical to the rapid development of the United States and what would become known as Canada. Many went to populate the western frontiers and others provided the cheap labor the new manufacturing sector and the building of bridges, roads, railways, and canals required. A thorough examination of immigration and passenger lists has revealed some of the earliest people to arrive in North America with name Mahan or one of its variants:

Mahan Settlers in United States in the 18th Century

  • James Mahan, who landed in Philadelphia, Pennsylvania in 1745
  • Cornelius Mahan, who arrived in Boston, Massachusetts in 1765

Mahan Settlers in United States in the 19th Century

  • Sarah Mahan, who arrived in New York, NY in 1811
  • Pat Mahan, aged 34, arrived in New York in 1812
  • John Mahan, who landed in Albany, NY in 1834
  • Thomas Mahan, who arrived in Tippecanoe County, Ind in 1842
  • Thos Mahan, aged 10, landed in New York, NY in 1850

Mahan Settlers in Canada in the 19th Century

  • Jane Mahan, aged 27, arrived in Saint John, NB aboard the ship "Neptune" in 1834
  • J Mahan, who arrived in Victoria, British Columbia in 1862

Mahan Settlers in Australia in the 19th Century

  • Bedelia Mahan, aged 22, a servant, arrived in South Australia in 1859 aboard the ship "James Jardine"
  • Daniel Mahan, aged 1, arrived in South Australia in 1859 aboard the ship "James Jardine"


  • Larry Mahan (b. 1943), American rodeo champion, inducted into the Pro Rodeo Hall of Fame in 1979
  • Sean Christopher Mahan (b. 1980), former American NFL football center who played from 2003-2009
  • Edward William "Eddie" Mahan (1892-1975), American football halfback for Harvard, inducted into the College Football Hall of Fame in 1951
  • Kerrigan Mahan (b. 1955), American voice actor
  • Rear Admiral Alfred Thayer Mahan (1840-1914), American naval flag officer, eponym of four ships
  • Dennis Hart Mahan (1802-1871), noted American military theorist and professor at the United States Military Academy at West Point from 1824-1871
  • Asa Mahan (1800-1889), American first president of Oberlin College
  • Armand Mahan (b. 1983), Ivorian professional football player


  • Genealogy of the Bennington Family by William Kearney Hall.
  • Mahan and Allied Families by Denise Kay Mahan Moore.

The motto was originally a war cry or slogan. Mottoes first began to be shown with arms in the 14th and 15th centuries, but were not in general use until the 17th century. Thus the oldest coats of arms generally do not include a motto. Mottoes seldom form part of the grant of arms: Under most heraldic authorities, a motto is an optional component of the coat of arms, and can be added to or changed at will; many families have chosen not to display a motto.

Motto: Sic nos sic sacra tuemur
Motto Translation: Thus we guard our sacred rights.


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  1. Best, Hugh. Debrett's Texas Peerage. New York: Coward-McCann, 1983. Print. (ISBN 069811244X).
  2. Matthews, John. Matthews' American Armoury and Blue Book. London: John Matthews, 1911. Print.
  3. Johnson, Daniel F. Irish Emigration to New England Through the Port of Saint John, New Brunswick Canada 1841-1849. Baltimore, Maryland: Clearfield, 1996. Print.
  4. Tepper, Michael Ed & Elizabeth P. Bentley Transcriber. Passenger Arrivals at the Port of Philadelphia 1800-1819. Baltimore: Genealogical Publishing Co., 1986. Print.
  5. MacLysaght, Edward. Mores Irish Familes. Dublin: Irish Academic, 1982. Print. (ISBN 0-7165-0126-0).
  6. Bowman, George Ernest. The Mayflower Reader A Selection of Articales from The Mayflower Descendent. Baltimore: Genealogical Publishing. Print.
  7. Fairbairn. Fairbain's book of Crests of the Families of Great Britain and Ireland, 4th Edition 2 volumes in one. Baltimore: Heraldic Book Company, 1968. Print.
  8. Leyburn, James Graham. The Scotch-Irish A Social History. Chapel Hill: UNC Press, 1962. Print. (ISBN 0807842591).
  9. Colletta, John P. They Came In Ships. Salt Lake City: Ancestry, 1993. Print.
  10. Browning, Charles H. Americans of Royal Descent. Baltimore: Genealogical Publishing. Print.
  11. ...

The Mahan Family Crest was acquired from the Houseofnames.com archives. The Mahan Family Crest was drawn according to heraldic standards based on published blazons. We generally include the oldest published family crest once associated with each surname.

This page was last modified on 18 March 2016 at 08:07.

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