Show ContentsLadrigan History, Family Crest & Coats of Arms

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

Early Origins of the Ladrigan family

The surname Ladrigan 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 Ladrigan family

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

Ladrigan Spelling Variations

Official documents, crafted by early scribes and church officials, primarily contained names that were spelled according to their pronunciation. This lead to the problem of one name being recorded under several different variations, creating an illusion that a single person was many people. Among the many spelling variations of the surname Ladrigan that are preserved in the archival documents of the time are Lonergan, Landergan, Landrigan, Ladrigan, Lonagan, Landragan, Longargan and many more.

Early Notables of the Ladrigan family

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

Migration of the Ladrigan family

In the 18th and 19th centuries hundreds of thousands of Irish people immigrated to North American shores. The early settlers were enticed by the promise of their own land, but they were moderately well off in Ireland when they decided to emigrate. Therefore, they were merely carrying out a long and carefully thought out decision. The 1840s saw the emergence of a very different trend: thousands of extremely desperate people crammed into passenger boats hoping to find any type of opportunity. The Irish of this decade had seen their homeland severely stricken by crop failures which resulted in widespread disease and starvation. At whatever time the Irish immigrants came to North America, they were instrumental in the rapid development of the emerging nations of the United States and what would become known as Canada. An exhaustive search of passenger and immigration lists has revealed many persons bearing the name Ladrigan, or one of its variants: Edward Landragan settled in Philadelphia in 1858 along with John; Thomas and Andrew Landragaon arrived in Philadelphia in 1876; Edmund and Michael Lonergan arrived in Philadelphia in 1856..



  1. Herbermann, Charles George, ed. The Catholic Encyclopedia New York: Appleton, 1913. Print


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