First found in Ayrshire, where they were seated from very ancient times, some say well before the Norman Conquest and the arrival of Duke William at Hastings in 1066 A.D.

Settlers from Scotland put Down roots in communities all along the east coast of North America. Some moved north from the American colonies to Canada as United Empire Loyalists during the American War of Independence. As clan societies and highland games started in North America in the 20th century many Scots rediscovered parts of their heritage. Early North American records indicate many people bearing the name O'Hair were among those contributors: James and Susan Hare, who settled in Virginia in 1635; as did James Haire in 1642; John Hare, who arrived in Barbados with his wife and servants in 1679.

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