Show ContentsCroily History, Family Crest & Coats of Arms

Irish names tend to vary widely in their spelling and overall form. The original Gaelic form of the name Croily is "O Cruadhlaoich." This is derived from the words "cruadh," which means "hard," and "laoch," which means "hero." 1

Early Origins of the Croily family

The surname Croily was first found in Moylurg, in the County Roscommon, where they started as a branch of the MacDermots. It is from Teige, a Prince of Moylurg, down to Cruadhlaoch that the line of descent for the Crowleys begins. A junior branch of the Crowley family also emerged and moved to the area of Dunmanway, in the west of County Cork. They eventually became a distinct sept with their chief at Kilshallow, thriving while their parent family gradually withered. The majority of the Crowley family came to be found in the county of Cork, with three-quarters of the family being born there in modern times. 2

Early History of the Croily family

This web page shows only a small excerpt of our Croily research. Another 119 words (8 lines of text) covering the years 1172, 1658, 1713, 1819 and 1857 are included under the topic Early Croily History in all our PDF Extended History products and printed products wherever possible.

Croily Spelling Variations

Within the archives researched, many different spelling variations of the surname Croily 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. Crowley, Crowly, O'Crowley, Croaley, Croawley, O'Crowly and many more.

Early Notables of the Croily family

Another 47 words (3 lines of text) are included under the topic Early Croily Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the Croily family

The 19th century saw a great wave of Irish families leaving Ireland for the distant shores of North America and Australia. These families often left their homeland hungry, penniless, and destitute due to the policies of England. Those Irish immigrants that survived the long sea passage initially settled on the eastern seaboard of the continent. Some, however, moved north to a then infant Canada as United Empire Loyalists after ironically serving with the English in the American War of Independence. Others that remained in America later joined the westward migration in search of land. The greatest influx of Irish immigrants, though, came to North America during the Great Potato Famine of the late 1840s. Thousands left Ireland at this time for North America, and those who arrived were immediately put to work building railroads, coal mines, bridges, and canals. In fact, the foundations of today's powerful nations of the United States and Canada were to a larger degree built by the Irish. Archival documents indicate that members of the Croily family relocated to North American shores quite early: Alice Crowley settled in Jamaica in 1661; Alice, Bridget, Catharine, Cornelius, Dan, Eliza, Harry, James, Johanna, Judith, Mary, Michael, Pat, Timothy, and William Crowley, all settled in Boston Massachusetts in 1849.



  1. O'Hart, John, Irish Pedigrees 5th Edition in 2 Volumes. Baltimore: Genealogical Publishing Company, 1976. Print. (ISBN 0-8063-0737-4)
  2. MacLysaght, Edward, Irish Families Their Names, Arms and Origins 4th Edition. Dublin: Irish Academic, 1982. Print. (ISBN 0-7165-2364-7)


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