My Dad claims to be Cornish on his fathers side...I believe he said this is a term used for Welshmen from Cornwall ??? His Father George, a twin to Edward was a Coal Miner and sons of George...also a Coal Miner who moved to Ohio from western Pa. after arriving from Ayr, Scotland...with my Great Grandmother...Mary Millsop. Don't know iof this helps at all. Keep in touch.