Show ContentsMcMannus History, Family Crest & Coats of Arms

There are many Irish surnames being used today in forms that are quite different than their original, ancient forms. McMannus originally appeared in Gaelic as Mac Maghnuis, which means son of Manus. The personal name Manus, imported into Ireland by the Norse, is ultimately derived from the Latin forename Magnus.

Early Origins of the McMannus family

The surname McMannus was first found in County Roscommon (Irish: Ros Comáin) located in central Ireland in the province of Connacht, where they held a family seat from ancient times.

Early History of the McMannus family

This web page shows only a small excerpt of our McMannus research. Another 87 words (6 lines of text) covering the years 1172 and 1181 are included under the topic Early McMannus History in all our PDF Extended History products and printed products wherever possible.

McMannus Spelling Variations

People who were accounted for by scribes and church officials often had their name recorded many different ways because pronunciation was the only guide those scribes and church officials had to go by. This resulted in the problem of one person's name being recorded under several different variations, creating the illusion of more than one person. Among the many spelling variations of the surname McMannus that are preserved in archival documents are MacManus, MacManners, McManus, Manus and others.

Early Notables of the McMannus family

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


United States McMannus 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 McMannus name:

McMannus Settlers in United States in the 19th Century
  • John McMannus, aged 27, who arrived in Mobile, Ala in 1846 1
  • Michael McMannus, who landed in Allegany (Allegheny) County, Pennsylvania in 1849 1
  • Andrew, Hugh, Patrick, Terrence McMannus all, who arrived in Philadelphia between 1840 and 1860

Australia McMannus migration to Australia +

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

McMannus Settlers in Australia in the 19th Century
  • Emily McMannus, who arrived in Holdfast Bay, Australia aboard the ship "Canton" in 1838 2
  • Elizabeth McMannus, aged 21, a servant, who arrived in South Australia in 1855 aboard the ship "John Banks" 3

New Zealand McMannus 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:

McMannus Settlers in New Zealand in the 19th Century
  • Miles McMannus, aged 28, a labourer, who arrived in Auckland, New Zealand aboard the ship "Resolute" in 1865


  1. 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)
  2. State Records of South Australia. (Retrieved 2010, November 5) CANTON 1838. Retrieved from http://www.slsa.sa.gov.au/BSA/1838Canton.htm
  3. South Australian Register Wednesday 30th May 1855. (Retrieved 2010, November 5) John Banks 1855. Retrieved http://www.theshipslist.com/ships/australia/johnbanks1855.shtml


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