Grafton is a city in, and county seat of, Taylor County, West Virginia, USA. The population was 5,164 at the 2010 census. The only two national cemeteries in West Virginia are located in Grafton. Mother's Day was founded in Grafton on May 10, 1908; the city is the home to the International Mother's Day Shrine. Grafton was one of the first places to observe Memorial Day in the United States.