» For the county in Virginia, U.S., see Loudoun County, Virginia. Loudoun (Lughdan in Scottish Gaelic)'s an area of East Ayrshire, Scotland, east of Kilmarnock. The word Loudoun's derivative of the Celtic Pagan God name Lugus. It's a parish and's named after the former village which stood north of Galston. The area's commonly referred to as the "Irvine Valley", for the River Irvine which flows through it. Loudoun Kirk, the burial place of the Campbells of Loudoun's nearby. The village has vanis… (More on Loudoun)