Show ContentsGruca History, Family Crest & Coats of Arms

The Hebrides islands and Western coastal mountains of Scotland were once part of the ancient kingdom of Dalriada. The name Gruca was born there, as a nickname for a young man with tanned skin or with tawny hair with darker streaks. The Gaelic form of the name is Mac 'Ille riabhaich, which means son of the brindled lad. 1

Early Origins of the Gruca family

The surname Gruca was first found in Ayrshire (Gaelic: Siorrachd Inbhir Àir), formerly a county in the southwestern Strathclyde region of Scotland, that today makes up the Council Areas of South, East, and North Ayrshire, where they held a family seat from very early times.

However, the name "is common in Galloway and throughout the Highlands, and was a common personal name in Rreadalbane 200 and more years ago. A money allowance was granted for Andrew, son of John Make Gille Reue, a Scots hostage who died in Carlisle prison in 1300. Thomas M'Gilrewy was a Douglas tenant in the barony of Buittle, 1376, and David McKilwirk (i.e. Mcilwrick) was bailie of Dumfries, 1476. Donald Makgillereoch or Mak-gillereacht appears as witness in 1485 and 1497, and Robert Makgillereach was concerned in the 'spulyie of Kilravock,' 1497. Duncan McGiilereach in Fandownyach had a precept of remission for offences committed by him, 1503, and the obit of Johannes M'Gillerawyth in Glenloquhacy is recorded in 1506. Michae Dow Mcalgerache, an aged Highlander, was convicted of common theft and 'pikry' (petty theft) in Kirkcudbright in 1508 and banished the town." 1

Early History of the Gruca family

This web page shows only a small excerpt of our Gruca research. Another 576 words (41 lines of text) covering the years 1502, 1526, 1538, 1539, 1588, 1594, 1596, 1607, 1610, 1614, 1622, 1629, 1632, 1634, 1641, 1672, 1681, 1682, 1684, 1685, 1687, 1708 and 1734 are included under the topic Early Gruca History in all our PDF Extended History products and printed products wherever possible.

Gruca Spelling Variations

Translation in medieval times was an undeveloped science and was often carried out without due care. For this reason, many early Scottish names appeared radically altered when written in English. The spelling variations of Gruca include Macilreach, McIlreach, MacIlreath, McIlreath, Macilriach, McIlriach, Macilraith, McIlraith, Macilaraith, McIlaraith, Macilarith, McIlarith, Macilwraith, McIlwraith, Macilwraithe, McIlwraithe, MacIlwrathe, McIlwrathe, MacKilwrath, McKilwrath, MacKilwrathe, McKilwrathe, Macgfillreich, McFillreich, Macileriach, McIleriach, Macillrich, McIllrich, Macilurick, McIlurick, Macilwrick, McIlwrick, MacIlwrith, McIlwrith, MacIlrevie, McIlrevie, MacKilreve, McKilreve, MacKilrea, McKilrea, MacElrath, McElrath, MacElreath, McElreath, McElvrick, MacElvrick, McIllrie, MacIllrie, MacAlwraith, McAlwraith, Revie, McRevie and many more.

Early Notables of the Gruca family

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

Ireland Migration of the Gruca family to Ireland

Some of the Gruca family moved to Ireland, but this topic is not covered in this excerpt.
Another 32 words (2 lines of text) about their life in Ireland is included in all our PDF Extended History products and printed products wherever possible.

Migration of the Gruca family

Many of the ancestors of Dalriadan families who arrived in North America still live in communities along the east coast of Canada and the United States. In the American War of Independence many of the original settlers traveled north to Canada as United Empire Loyalists. In the late 19th and early 20th centuries the ancestors of many Scots began recovering their collective national heritage through Clan societies, highland games, and other patriotic events. Research into the origins of individual families in North America revealed records of the immigration of a number of people bearing the name Gruca or a variant listed above: John McIllreavy landed in Philadelphia, Pennsylvania in 1846; Archibald McIllree landed there in 1832; William McIlrea landed in Philadelphia in 1834.


Contemporary Notables of the name Gruca (post 1700) +

  • Adam Gruca (1893-1983), Polish orthopaedist, inventor, and surgeon, considered to be the founder of modern orthopedic surgery in Poland


The Gruca Motto +

The motto was originally a war cry or slogan. Mottoes first began to be shown with arms in the 14th and 15th centuries, but were not in general use until the 17th century. Thus the oldest coats of arms generally do not include a motto. Mottoes seldom form part of the grant of arms: Under most heraldic authorities, a motto is an optional component of the coat of arms, and can be added to or changed at will; many families have chosen not to display a motto.

Motto: Per mare per terras
Motto Translation: By sea and by land.


  1. Black, George F., The Surnames of Scotland Their Origin, Meaning and History. New York: New York Public Library, 1946. Print. (ISBN 0-87104-172-3)


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