O'Coylghan History, Family Crest & Coats of Arms
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While the Anglicized versions of Irish names are familiar to most people, many Irish names have a long and proud Gaelic heritage that is often unknown. The O'Coylghan surname stems from two distinct Gaelic names O'Clúmháin, derived from the Irish root "clúmh," meaning "down," or "feathers," and from O Colmain, derived the Latin word "columba," which means "dove." 
Early Origins of the O'Coylghan family
The surname O'Coylghan was first found in County Sligo (Irish: Sligeach), in the province of Connacht in Northwestern Ireland, where they were a sept of O'Colmain, a branch of Hy Fiachrach. 
Early History of the O'Coylghan family
This web page shows only a small excerpt of our O'Coylghan research. Another 178 words (13 lines of text) covering the years 117 and 1172 are included under the topic Early O'Coylghan History in all our PDF Extended History products and printed products wherever possible.
O'Coylghan Spelling Variations
Names written in official documents were generally spelt as they sounded, leading to the problem of one name being recorded under several different variations, creating the illusion in records of more than one person. Among the many spelling variations of the surname O'Coylghan that are preserved in documents of the family history are Colman, Coleman, O'Colman, MacColeman, McColeman, Coalman, Coulman, Colemen, Colmen, Coalmen, Colmin, Colmen, Coulmen, Coulmin, Colemin and many more.
Early Notables of the O'Coylghan family (pre 1700)
More information is included under the topic Early O'Coylghan Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the O'Coylghan family
The English-ruled Ireland of the late 18th and 19th centuries featured a rapidly increasing population and an agricultural-based economy. This combination proved to be disastrous in the 1840s after a couple of failed potato harvests. Thousands died of disease and starvation, and thousands more left the country, often bound for North America. Those that survived the journey to North America were put to work building the bridges, canals, roadways, and railways needed for the development of an industrial society. Those Irish, although often despised by those already established in North American cities and towns, played an instrumental role in making Canada and the United States the powerful and wealthy nations that they are today. An examination of early immigration and passenger lists has shown many immigrants bearing the name O'Coylghan: Thomas Coleman, who arrived in America from Marlborough in Wiltshire, England; Thomas Coleman settled in Newbury, and later Boston, Massachusetts. He was under contract, but not indentured to Sir Richard Saltonstall, to keep his cattle. He was negligent and unfaithful, as the court ruled, but, strangely a year later in 1637.
Related Stories +
- ^ Harrison, Henry, Surnames of the United Kingdom: A Concise Etymological Dictionary Baltimore: Geneological Publishing Company, 2013. Print
- ^ MacLysaght, Edward, More Irish Families. Dublin: Irish Academic Press, 1982. Print. (ISBN 0-7165-0126-0)