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An excerpt from www.HouseOfNames.com archives copyright © 2000 - 2015

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

Gaelic is at the heart of all the Irish surnames that can be found throughout the world today. The original Gaelic form of the name McGillicuddy is Mac Giolla Chuda, which perhaps denotes a devotee of St. Mochuda.


Because early scribes and church officials often spelled names as they sounded, a person could have many various spellings of his name.Many different spelling variations of the surname McGillicuddy were found in the archives researched. These included Gillycuddy, McGillycuddy, Gillecuddy, Gillacuddy, Gillicuddy, McGillicuddy, McGillecuddy, McGillacuddy, McGullucuddy, MacGillicudy, McGillicudy and many more.

First found in County Kerry (Irish:Ciarraí) part of the former County Desmond (14th-17th centuries), located in Southwestern Ireland, in Munster province, where The McGillycuddy of the Reeks (Irish: Mac Giolla Mochuda) was one of the hereditary chiefs of the name of Ireland.


This web page shows only a small excerpt of our McGillicuddy research. Another 149 words(11 lines of text) are included under the topic Early McGillicuddy History in all our PDF Extended History products.


Another 23 words(2 lines of text) are included under the topic Early McGillicuddy Notables in all our PDF Extended History products.


In the 18th and 19th centuries, thousands of Irish families fled an Ireland that was forcibly held through by England through its imperialistic policies. A large portion of these families crossed the Atlantic to the shores of North America. The fate of these families depended on when they immigrated and the political allegiances they showed after they arrived. Settlers that arrived before the American War of Independence may have moved north to Canada at the war's conclusion as United Empire Loyalists. Such Loyalists were granted land along the St. Lawrence River and the Niagara Peninsula. Those that fought for the revolution occasionally gained the land that the fleeing Loyalist vacated. After this period, free land and an agrarian lifestyle were not so easy to come by in the East. So when seemingly innumerable Irish immigrants arrived during the Great Potato Famine of the late 1840s, free land for all was out of the question. These settlers were instead put to work building railroads, coal mines, bridges, and canals. Whenever they came, Irish settlers made an inestimable contribution to the building of the New World. Early North American immigration records have revealed a number of people bearing the Irish name McGillicuddy or a variant listed above, including:

McGillicuddy Settlers in United States in the 19th Century

  • Phillip McGillicuddy arrived in Philadelphia, Pennsylvania in 1845
  • Frank McGillicuddy, who arrived in Allegany (Allegheny) County, Pennsylvania in 1878


  • John Francis McGillicuddy (1931-2009), American Banker, President of Hanover Trust
  • Cornelius Alexander McGillicuddy Sr. (1862-1956), nicknamed Connie Mack, the American professional baseball player, manager, and team owner; he holds records for wins (3,731), losses (3,948), and games managed (7,755)
  • Daniel J. McGillicuddy (1859-1936), American politician, United States Representative from Maine
  • Cornelius Alexander McGillicuddy III (b. 1940), popularly known as Connie Mack, an American politician, United States Senator from Florida (1989-2001)
  • Cornelius Harvey McGillicuddy IV (b. 1967), popularly known as Connie Mack, an American politician, Member of the U.S. House of Representatives from Florida (2005-2013), son of Connie Mack III
  • Ernest "Reg" McGillicuddy, former Australian rules footballer


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: Sursum Corda
Motto Translation: Hearts upwards.


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  1. Egle, William Henry. Pennsylvania Genealogies Scotch-Irish and German. Harrisburg: L.S. Hart, 1886. Print.
  2. Colletta, John P. They Came In Ships. Salt Lake City: Ancestry, 1993. Print.
  3. MacLysaght, Edward. The Surnames of Ireland 3rd Edition. Dublin: Irish Academic, 1978. Print. (ISBN 0-7165-2278-0).
  4. Bowman, George Ernest. The Mayflower Reader A Selection of Articales from The Mayflower Descendent. Baltimore: Genealogical Publishing. Print.
  5. O'Hart, John. Irish Pedigress 5th Edition in 2 Volumes. Baltimore: Genealogical Publishing, 1976. Print. (ISBN 0-8063-0737-4).
  6. Hanks, Patricia and Flavia Hodges. A Dictionary of Surnames. Oxford: Oxford University Press, 1988. Print. (ISBN 0-19-211592-8).
  7. Browning, Charles H. Americans of Royal Descent. Baltimore: Genealogical Publishing. Print.
  8. Tepper, Michael Ed & Elizabeth P. Bentley Transcriber. Passenger Arrivals at the Port of Philadelphia 1800-1819. Baltimore: Genealogical Publishing Co., 1986. Print.
  9. Chadwick, Nora Kershaw and J.X.W.P Corcoran. The Celts. London: Penguin, 1970. Print. (ISBN 0140212116).
  10. Bell, Robert. The Book of Ulster Surnames. Belfast: Blackstaff, 1988. Print. (ISBN 10-0856404160).
  11. ...

The McGillicuddy Family Crest was acquired from the Houseofnames.com archives. The McGillicuddy 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 26 January 2015 at 08:53.

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