First found in Lanarkshire, where they held a family seat from very early times.

Such hard times forced many to leave their homeland in search of opportunity across the Atlantic. Many of these families settled along the east coast of North America in communities that would become the backbones of the young nations of the United States and Canada. The ancestors of many of these families have rediscovered their roots in the 20th century through the establishment of clan societies and other patriotic Scottish organizations. Among them: Richard Casse who settled in Virginia in 1652; William Casse settled in Bermuda in 1635; another William Casse settled in Somers Islands in 1635; Elizabeth and Mary Cassey settled in Annapolis Maryland in 1733.

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