Show ContentsMcKerrity History, Family Crest & Coats of Arms

The Irish name McKerrity was originally written in a Gaelic form as Mag Oireachtaigh, which is derived from the word "oireachtach," referring to a member of an assembly. Translating the name into English produces no less than seventeen different synonyms. But the origin of the name is most intriguing. In the 12th century, the name was simply Ó Roduibh but a Oireachtach Ó Roduibh at that time caused the name to be shortened to Oireachtach, their present form.

Early Origins of the McKerrity family

The surname McKerrity was first found in counties Roscommon and Galway (Irish: Gaillimh) part of the province of Connacht, located on the west coast of the Island, where they were one of the Hi Maine Septs in Kelly's country. They were direct descendants of the O'Connors, Kings of Connacht, and the Chief of the Clann was one of the four royal chiefs under the O'Connor. 1 The tree on the Coat of Arms illustrates their descendancy from the O'Connors.

Early History of the McKerrity family

This web page shows only a small excerpt of our McKerrity research. Another 78 words (6 lines of text) covering the years 1300, 1585, 1598 and 1744 are included under the topic Early McKerrity History in all our PDF Extended History products and printed products wherever possible.

McKerrity Spelling Variations

Pronunciation, rather than spelling, guided scribes and church officials when recording names during the Middle Ages. This practice often resulted in one person's name being recorded under several different spellings. Numerous spelling variations of the surname McKerrity are preserved in these old documents. The various spellings of the name that were found include Gerrity, Gerty, Gerighty, Gerighaty, Gerety, Gerahty, Garraty, Geraty, Jerety, McGerity, MacGeraghty, MacGartie, MacGarty and many more.

Early Notables of the McKerrity family

Another 29 words (2 lines of text) are included under the topic Early McKerrity Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the McKerrity family

Thousands of Irish families left for North American shores in the 19th century. These people were searching for a life unencumbered with poverty, hunger, and racial discrimination. Many arrived to eventually find such conditions, but many others simply did not arrive: victims of the diseased, overcrowded ships in which they traveled to the New World. Those who lived to see North American shores were instrumental in the development of the growing nations of Canada and the United States. A thorough examination of passenger and immigration lists has disclosed evidence of many early immigrants of the name McKerrity: Robert Gerity who arrived in Philadelphia, Pennsylvania in 1858; Patrick Gerrity, also Peter and Phillip, all arrived in the 1860's; Sally McGarty arrived in New York State in 1847.



  1. 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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