The Scottish surname Wylie, also found in northern Ireland, is derived from a pet form of the personal name William. When found in England it is of locational origin, and derives from the places called Willey in the counties of Cheshire, Herefordshire, Shropshire, Warwickshire, Devonshire and Surrey. In Scotland the roots of the Wylie family are found among the Strathclyde-Briton people of the Scottish-English borderlands.The name was first found in Dumfrieshire, Scotland. The name is first recorded in the New World in 1685 when Thomas Wylie immigrated to New Jersey. Today there are approximately 12,000 bearers of the name Wylie living in the United States.