Show ContentsMacGrievy History, Family Crest & Coats of Arms

The name MacGrievy has seen many modifications since the time in which it was first devised. In Gaelic it appeared as Mac Giolla Rua, which means son of the red-haired youth.

Early Origins of the MacGrievy family

The surname MacGrievy was first found in County Clare (Irish: An Clár) located on the west coast of Ireland in the province of Munster, where they were the Chiefs of Clonderlaw, conjecturally descended from Tiobraid, son of Iral Glunmhar, King of Ulster. 1

Early History of the MacGrievy family

This web page shows only a small excerpt of our MacGrievy research. Another 148 words (11 lines of text) covering the years 1376, 1638 and 1640 are included under the topic Early MacGrievy History in all our PDF Extended History products and printed products wherever possible.

MacGrievy Spelling Variations

Throughout the early history of this name, spellings of the surname in various records changed frequently largely due to the recorder's interpretation of how the name sounded at the time of the entry. Spelling variations revealed in the search for the origin of the MacGrievy family name include Gilroy, Kilroy, MacGilroy, MacElroy, MacGreevy, Greevy, MacGilrea, McGilroy, McElroy, McGreevy, McGilrea, MacIlrea, McIlrea, Magilroy, Magilrea, MacElry, McElry, MacIlree and many more.

Early Notables of the MacGrievy family

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

Migration of the MacGrievy family

Many Irish families did not fare so well within the English-ruled Ireland. Besides racial and religious discrimination, many families were renting out small tracts of farmland from absentee landowners at often unreasonable rates. Beginning in the late 18th century, moderately well off Irish families decided to emigrate to British North America or the United States in order to own their own plot of land. A radical change occurred in the 1840s, however, with the Great Potato Famine of the 1840s. Up to this point, the island's population had been increasing rapidly and a steady demand over the years for grain crops had depleted soil. Two failed crops and one poor one caused widespread disease and starvation. Thousands boarded ships looking for opportunities elsewhere. North America welcomed them as a source of cheap labor required for the many industrial and infrastructure projects underway, and as a means to quickly occupy the western regions. Research into immigration and passenger ship lists indicates that people bearing the name MacGrievy were among the earliest settlers to arrive in North America: John MacElroy, who landed in Pennsylvania in 1798; and James Gilroy, who settled in Pennsylvania in 1864; they also settled in Massachusetts, New York, and California between 1765 and 1854. The Kilroys also settled in the above states between the same periods. The 1984 edition of the ".



  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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