Show ContentsCoish History, Family Crest & Coats of Arms

Early Origins of the Coish family

The surname Coish was first found in on the Isle of Uist, in the Hebrides in Scotland, which is named for the Irish King, Colla Uais who was deposed in Ireland by Muedach Tireach and was banished with 300 of their principal chiefs to the Hebrides in 327 A.D. They became known as the kingdom of Ailech and gave birth to the kindred of St. Columba and the Abbots of Iona. Descended were the Kings of Scotland from 1034 to 1286. The MacDonalds, Kings of the Isles were descended through Somerled to MacCuish or MacCooish.

Early History of the Coish family

This web page shows only a small excerpt of our Coish research. Another 113 words (8 lines of text) are included under the topic Early Coish History in all our PDF Extended History products and printed products wherever possible.

Coish Spelling Variations

In the Middle Ages, the translation between Gaelic and English was not a highly developed process. Spelling was not yet standardized, and so, an enormous number of spelling variations appear in records of early Scottish names. Coish has appeared as MacCuish, MacCooish, MacCuis, MacCoise, MacKewish, MacKewsh and many more.

Early Notables of the Coish family

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

Coish Ranking

In Newfoundland, Canada, the name Coish is the 268th most popular surname with an estimated 165 people with that name. 1

Migration of the Coish family

Ancestors of many of the Dalriadan families who crossed the Atlantic still live along the east coast of the United States and Canada. Some Scottish settlers arrived in Canada during the American War of Independence as United Empire Loyalists, while others stayed south to fight for a new nation. The descendants of Scottish settlers in both countries began to rediscover their heritage in the 19th and 20th centuries through Clan societies and highland games. An inquiry into the early roots of North American families has revealed a number of immigrants bearing the name Coish or a variant listed above: John McCoosh settled in Pennsylvania in 1714.


Contemporary Notables of the name Coish (post 1700) +

  • Raymond Coish, American Professor of Geology at Middlebury College, Vermont


  1. The order of Common Surnames in 1955 in Newfoundland retrieved on 20th October 2021 (retrieved from Family Names of the Island of Newfoundland by E.R. Seary corrected edition ISBN 0-7735-1782-0)


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