Show ContentsHennesy History, Family Crest & Coats of Arms

Today's Irish surnames are underpinned by a multitude of rich histories. The name Hennesy originally appeared in Gaelic as Ó hAonghusa, which means "descendant of Angus." 1

Early Origins of the Hennesy family

The surname Hennesy was first found in County Offaly (Irish: Uíbh Fháilí) originally the Kingdom of Uí Failghe, located in central Ireland in the Province of Leinster, where they held a family seat from very ancient times.

Early History of the Hennesy family

This web page shows only a small excerpt of our Hennesy research. Another 81 words (6 lines of text) are included under the topic Early Hennesy History in all our PDF Extended History products and printed products wherever possible.

Hennesy Spelling Variations

Many spelling variations of the surname Hennesy can be found in the archives. One reason for these variations is that ancient scribes and church officials recorded names as they were pronounced, often resulting in a single person being recorded under several different spellings. The different spellings that were found include Hennessey, Henasey, Henasay, Henchy, Henchey, Henchie, Hinchy, Hinchey, Hinchie, Henesey, Henessy, Henesy, Hennesey and many more.

Early Notables of the Hennesy family

More information is included under the topic Early Hennesy Notables in all our PDF Extended History products and printed products wherever possible.


United States Hennesy migration to the United States +

A great mass of Ireland's native population left the island in the 19th century, seeking relief from various forms of social, religious, and economic discrimination. This Irish exodus was primarily to North America. If the migrants survived the long ocean journey, many unfortunately would find more discrimination in the colonies of British North America and the fledgling United States of America. These newly arrived Irish were, however, wanted as a cheap source of labor for the many large agricultural and industrial projects that were essential to the development of what would become two of the wealthiest nations in the western world. Early immigration and passenger lists indicate many people bearing the Hennesy name:

Hennesy Settlers in United States in the 19th Century
  • James Hennesy, who settled in New York State in 1803
  • James Hennesy, aged 25, who landed in New York, NY in 1803 2
  • Thomas Hennesy, aged 59, who landed in New York in 1864 2
  • John Hennesy, who arrived in Allegany (Allegheny) County, Pennsylvania in 1878 2

Australia Hennesy migration to Australia +

Emigration to Australia followed the First Fleets of convicts, tradespeople and early settlers. Early immigrants include:

Hennesy Settlers in Australia in the 19th Century
  • Mary Hennesy, aged 28, a domestic servant, who arrived in South Australia in 1852 aboard the ship "Chatham" 3
  • Bridget Hennesy, aged 24, a domestic servant, who arrived in South Australia in 1855 aboard the ship "Grand Trianon"


  1. O'Hart, John, Irish Pedigrees 5th Edition in 2 Volumes. Baltimore: Genealogical Publishing Company, 1976. Print. (ISBN 0-8063-0737-4)
  2. Filby, P. William, Meyer, Mary K., Passenger and immigration lists index : a guide to published arrival records of about 500,000 passengers who came to the United States and Canada in the seventeenth, eighteenth, and nineteenth centuries. 1982-1985 Cumulated Supplements in Four Volumes Detroit, Mich. : Gale Research Co., 1985, Print (ISBN 0-8103-1795-8)
  3. South Australian Register Tuesday 3 February 1852. (Retrieved 2010, November 5) CHATHAM 1852. Retrieved http://www.theshipslist.com/ships/australia/chatham1852.shtml


Houseofnames.com on Facebook