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An excerpt from www.HouseOfNames.com archives copyright © 2000 - 2014

Where did the Irish Mahoney family come from? What is the Irish Mahoney family crest and coat of arms? When did the Mahoney family first arrive in the United States? Where did the various branches of the family go? What is the Mahoney family history?

The many Irish surnames in use today have long rich histories behind them. The name Mahoney originally appeared in Gaelic as O Mathghamhna, which is derived from the word mathghamhan, which means bear. The modern spelling is O Mahúna.


The spelling of one's surname was not as important as it is today. Names were recorded as they sounded and in many cases, one's surname changed with each listing. As a result, surnames often had many spelling variations. For Mahoney some of these variations included: Mahoney, O'Mahoney, O'Mahony, Mahony and others.

First found in County Cork (Irish: Corcaigh) the ancient Kingdom of Deis Muin (Desmond), located on the southwest coast of Ireland in the province of Munster, where they held a family seat from ancient times.


This web page shows only a small excerpt of our Mahoney research. Another 357 words(26 lines of text) covering the years 1014, 1639, 1679 and 1987 are included under the topic Early Mahoney History in all our PDF Extended History products.


Another 75 words(5 lines of text) are included under the topic Early Mahoney Notables in all our PDF Extended History products.


Irish families fled the English-colonized Ireland in record numbers during the 19th century for North America. Many of those destitute families died from disease during, and even shortly after, the long journey. Although those that immigrated before the Great Potato Famine of the 1840s often were granted a tract of land, those that arrived later were generally accommodated in urban centers or in work camps. Those in the urban centers would labor in the manufacturing sector, whereas those in work camps would to build critical infrastructures such as bridges, canals, roads, and railways. Regardless of when these Irish immigrants came to North America, they were critical for the rapid development of the young nations of the United States and Canada. Early immigration and passenger lists have recorded many early immigrants bearing the name of Mahoney:

Mahoney Settlers in the United States in the 18th Century

  • Lawrence Mahoney, who arrived in Philadelphia, Pennsylvania in 1745
  • Mary Mahoney, who arrived in Philadelphia, Pennsylvania in 1772
  • James Mahoney, who arrived in Philadelphia, Pennsylvania in 1773
  • Cornelius Mahoney, who landed in New Jersey in 1775

Mahoney Settlers in the United States in the 19th Century

  • Michael Mahoney, who landed in Mobile County, Ala in 1841
  • Florence Mahoney, aged 25, landed in Missouri in 1844
  • J Mahoney, who arrived in San Francisco, California in 1851
  • D Mahoney, who arrived in San Francisco, California in 1851
  • Micheal Mahoney, who arrived in Arkansas in 1854


  • Timothy Edward Mahoney (b. 1956), American politician, a U.S. Representative for Florida
  • Peter Paul Mahoney (1848-1889), American politician, a U.S. Representative from New York (1885-1889)
  • John Christopher Mahoney (1882-1952), Irish-born, American federal judge
  • Joan Mahoney (b. 1943), American legal, Dean of Wayne State University Law School in Detroit, Michigan (1998-2003) and Dean of Western New England College School of Law (1994-1996)
  • William B. Mahoney (1912-2004), American prize-winning journalist and writer
  • Suzanne Marie Mahoney (b. 1946), American actress, birth name of Suzanne Somers
  • Mark Mahoney, American Journalist awarded the 2009 Pulitzer Prize for Editorial Writing
  • George Mahoney (b. 1865), fireman first class serving in the United States Navy during the Spanish–American War who received the Medal of Honor for bravery
  • Steven W. Mahoney (b. 1947), Canadian politician, member of the Canadian House of Commons (1997-2004), and a cabinet minister
  • Patrick Morgan "Pat" Mahoney PC (1929-2012), Canadian judge, politician, Liberal member of the Canadian House of Commons from Calgary, Alberta


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  1. Shaw, William A. Knights of England A Complete Record from the Earliest Time to the Present Day of the Knights of all the Orders of Chivalry in England, Scotland, Ireland and Knights Bachelors 2 Volumes. Baltimore: Genealogical Publishing. Print. (ISBN 080630443X).
  2. Colletta, John P. They Came In Ships. Salt Lake City: Ancestry, 1993. Print.
  3. Vicars, Sir Arthur. Index to the Prerogative Wills of Ireland 1536-1810. Baltimore: Genealogical Publishing Co. Print.
  4. Hanks, Patricia and Flavia Hodges. A Dictionary of Surnames. Oxford: Oxford University Press, 1988. Print. (ISBN 0-19-211592-8).
  5. Passenger Lists of Vessels Arriving at Galveston Texas 1896-1951. National Archives Washington DC. Print.
  6. Read, Charles Anderson. The Cabinet of Irish Literature Selections from the Works of the Chief Poets, Orators and Prose Writers of Ireland 4 Volumes. London: Blackie and Son, 1884. Print.
  7. Hickey, D.J. and J.E. Doherty. A New Dictionary of Irish History form 1800 2nd Edition. Dublin: Gil & MacMillian, 2003. Print.
  8. Weis, Frederick Lewis, Walter Lee Sheppard and David Faris. Ancestral Roots of Sixty Colonists Who Came to New England Between 1623 and 1650 7th Edition. Baltimore: Genealogical Publishing, 1992. Print. (ISBN 0806313676).
  9. Heraldic Scroll and Map of Family names and Origins of Ireland. Dublin: Mullins. Print.
  10. 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.
  11. ...

The Mahoney Family Crest was acquired from the Houseofnames.com archives. The Mahoney 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 7 October 2014 at 18:28.

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