The Welsh surname Davy, also found in England, Scotland and Ireland, is of patronymic origin. The name is derived from the personal name Davy, a medieval French vernacular form of the Biblical name David which became common in Wales and England in the Middle Ages. The first recorded spelling of the family name is shown to be that of John Dauisse, which was dated 1327, in the Subsidy Rolls of the county of Cambridgeshire. One of the most famous bearers of the personal name in Wales was David ap Gryffydd, the last Prince of North Wales who was executed in 1276 by King Edward I of England.
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