Show ContentsO'Brasil History, Family Crest & Coats of Arms

Etymology of O'Brasil

What does the name O'Brasil mean?

Many variations of the name O'Brasil have evolved since the time of its initial creation. In Gaelic it appeared as Ó Breasail, possibly from the word bres, which means strife. 1

Early Origins of the O'Brasil family

The surname O'Brasil was first found in County Armagh (Irish: Ard Mhacha) located in the province of Ulster in present day Northern Ireland, where they held a family seat from ancient times. They were descended from Fiachrach Casan, the progenitor of the Clann Brassil, he was the son of King Colla da Crioch, one of Ireland's greatest kings, who was banished to the Hebrides in 327 A.D. after losing his fight for the High Kingship for all Ireland. Colla da Crioch returned to Ireland in 357. 2

Early History of the O'Brasil family

This web page shows only a small excerpt of our O'Brasil research. Another 176 words (13 lines of text) are included under the topic Early O'Brasil History in all our PDF Extended History products and printed products wherever possible.

O'Brasil Spelling Variations

Within the archives researched, many different spelling variations of the surname O'Brasil were found. These included One reason for the many variations is that scribes and church officials often spelled an individual's name as it sounded. This imprecise method often led to many versions. Brassil, Brassell, Brassilagh, Breasal, Brazil, Brazell, Braslan and many more.

Early Notables of the O'Brasil family

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

Migration of the O'Brasil family

During the 19th century thousands of impoverished Irish families made the long journey to British North America and the United States. These people were leaving a land that had become beset with poverty, lack of opportunity, and hunger. In North America, they hoped to find land, work, and political and religious freedoms. Although the majority of the immigrants that survived the long sea passage did make these discoveries, it was not without much perseverance and hard work: by the mid-19th century land suitable for agriculture was short supply, especially in British North America, in the east; the work available was generally low paying and physically taxing construction or factory work; and the English stereotypes concerning the Irish, although less frequent and vehement, were, nevertheless, present in the land of freedom, liberty, and equality for all men. The largest influx of Irish settlers occurred with Great Potato Famine during the late 1840s. Research into passenger and immigration lists has brought forth evidence of the early members of the O'Brasil family in North America: Daniel Brassell who arrived in New York State in 1756; Patrick Brazell arrived in Philadelphia, Pennsylvania in 1838; Thomas Breslin settled in Virginia in 1765.



  1. MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)
  2. O'Hart, John, Irish Pedigrees 5th Edition in 2 Volumes. Baltimore: Genealogical Publishing Company, 1976. Print. (ISBN 0-8063-0737-4)


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