Show ContentsLonergan History, Family Crest & Coats of Arms

The many Irish surnames in use today have long rich histories behind them. The name Lonergan originally appeared in Gaelic as Ó Longargain.

Early Origins of the Lonergan family

The surname Lonergan was first found in County Tipperary (Irish: Thiobraid Árann), established in the 13th century in South-central Ireland, in the province of Munster, where they held a family seat from ancient times.

One of the first records of the family was "at the synod of Kells, 1152, [when] Cardinal Paparo gave a pallium to Donat O'Lonergan of Cashel, and since then his successors have ruled the ecclesiastical province of Munster. " 1

Early History of the Lonergan family

This web page shows only a small excerpt of our Lonergan research. Another 64 words (5 lines of text) covering the year 1172 is included under the topic Early Lonergan History in all our PDF Extended History products and printed products wherever possible.

Lonergan Spelling Variations

The recording of names in Ireland in the Middle Ages was an inconsistent endeavor at best. The standardized literary languages of today were not yet reached the general citizenry. Research into the name Lonergan revealed spelling variations, including Lonergan, Landergan, Landrigan, Ladrigan, Lonagan, Landragan, Longargan and many more.

Early Notables of the Lonergan family

Prominent amongst the family at this time was

  • Thomas Lonergan was a noted Irish American poet

Lonergan Ranking

In the United States, the name Lonergan is the 9,537th most popular surname with an estimated 2,487 people with that name. 2


United States Lonergan migration to the United States +

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 Lonergan:

Lonergan Settlers in United States in the 19th Century
  • John Lonergan, who arrived in Allegany (Allegheny) County, Pennsylvania in 1830 3
  • Kennedy Lonergan, who landed in Allegany (Allegheny) County, Pennsylvania in 1830 3
  • Edmund and Michael Lonergan, who arrived in Philadelphia in 1856
  • Thomas Lonergan, who landed in Allegany (Allegheny) County, Pennsylvania in 1875 3
  • Thomas Augustine Lonergan, who arrived in Mississippi in 1883 3

Canada Lonergan migration to Canada +

Some of the first settlers of this family name were:

Lonergan Settlers in Canada in the 19th Century
  • Mary Lonergan, who arrived in Nova Scotia in 1820
  • Patrick Lonergan, who arrived in Nova Scotia in 1837
  • Edmond Lonergan, aged 30, a labourer, who arrived in Saint John, New Brunswick in 1838 aboard the barque "Rebecca" from Liverpool, England

Australia Lonergan migration to Australia +

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

Lonergan Settlers in Australia in the 19th Century
  • Margaret Lonergan, aged 22, a domestic servant, who arrived in South Australia in 1856 aboard the ship "Fitzjames"

New Zealand Lonergan migration to New Zealand +

Emigration to New Zealand followed in the footsteps of the European explorers, such as Captain Cook (1769-70): first came sealers, whalers, missionaries, and traders. By 1838, the British New Zealand Company had begun buying land from the Maori tribes, and selling it to settlers, and, after the Treaty of Waitangi in 1840, many British families set out on the arduous six month journey from Britain to Aotearoa to start a new life. Early immigrants include:

Lonergan Settlers in New Zealand in the 19th Century
  • M Lonergan, who landed in Auckland, New Zealand in 1842
  • T Lonergan, who landed in Auckland, New Zealand in 1844
  • Ellen Lonergan, aged 20, who arrived in Auckland, New Zealand aboard the ship "Alumbagh" in 1875 4
  • Bridget Lonergan, aged 19, who arrived in Auckland, New Zealand aboard the ship "Alumbagh" in 1875 4
  • Hannah Lonergan, aged 17, a servant, who arrived in Wellington, New Zealand aboard the ship "Rakaia" in 1878

Contemporary Notables of the name Lonergan (post 1700) +

  • Arthur Lonergan (1906-1989), American Academy Award nominated art director
  • John Lonergan (1839-1902), Irish-born, American captain in the Union Army, recipient of the Medal of Honor recipient for his actions in the Battle of Gettysburg during the American Civil War
  • Lloyd Lonergan (1870-1937), American prolific silent film screenwriter who wrote over 273 titles
  • Walter E. Lonergan (1885-1958), American Major League Baseball second baseman who played in 1911 for the Boston Red Sox
  • Augustine Lonergan (1874-1947), American politician, United States Senator from Connecticut (1933-1939)
  • Kenneth Lonergan (b. 1968), American Olivier Award, Golden Globe Award, Academy Award and Pulitzer Prize nominated film writer and director
  • John Lonergan (1897-1969), American fine artist
  • James M. Lonergan, American Democratic Party politician, Candidate for New York State Assembly from Essex County, 1954 5
  • Frank Lonergan, American politician, Candidate in primary for Mayor of Auburn, Washington, 2009 5
  • Edward J. Lonergan, American Democratic Party politician, Alternate Delegate to Democratic National Convention from New Jersey, 1940 5
  • ... (Another 12 notables are available in all our PDF Extended History products and printed products wherever possible.)


  1. Herbermann, Charles George, ed. The Catholic Encyclopedia New York: Appleton, 1913. Print
  2. "What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/
  3. 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)
  4. New Zealand Yesteryears Passenger Lists 1800 to 1900 (Retrieved 17th October 2018). Retrieved from http://www.yesteryears.co.nz/shipping/passlist.html
  5. The Political Graveyard: Alphabetical Name Index. (Retrieved 2015, October 19) . Retrieved from http://politicalgraveyard.com/alpha/index.html


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