Show ContentsLongwan 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. Longwan originally appeared in Gaelic as Ó Longain, which is derived from the word long, which means tall. 1

Early Origins of the Longwan family

The surname Longwan was first found in Down (Irish:An Dún) part of the Province of Ulster, in Northern Ireland, formerly known as county St Mirren, where they held a family seat from ancient times.

Early History of the Longwan family

This web page shows only a small excerpt of our Longwan research. Another 94 words (7 lines of text) covering the years 1689 and 1758 are included under the topic Early Longwan History in all our PDF Extended History products and printed products wherever possible.

Longwan Spelling Variations

Many spelling variations of the surname Longwan 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 Langan, Longan, Langen, Longen, O'Lonagain, Langhan, Langin, O'Langane, O'Longane, O'Langan and many more.

Early Notables of the Longwan family

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

Migration of the Longwan family

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 Longwan name: Laurence Langan, an 'enforced emigrant' from Ireland, who arrived in America in 1743; John Longan, who sailed to Philadelphia in 1775; William Langen, who sailed to Pennsylvania in 1777.



  1. MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)


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