First found in Selkirkshire, where the name Dalgleish had its roots in the lands of Dalgleish on Tinna Water, in the Parish of Ettrick, Selkirkshire, in Scotland. The Dalgleish family figured prominently in the Scottish-English border conflicts.

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 Dagley were among those contributors: Alexander Dalgleish who arrived in America in 1685; Andrew Dalgleish settled in Boston Massachusetts in 1764; and David Dalgleish settled in Charles Town [Charleston], South Carolina in 1763..

Motto Translated: My delight.

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