Grafton is a city in — and the county seat of — Taylor County, West Virginia, USA. The population was 5,164 at the 2010 census. Both of West Virginia's national cemeteries are located in Grafton. Mother's Day was founded in Grafton on May 10, 1908 and the city is home to the International Mother's Day Shrine. Grafton was one of the first places to observe Memorial Day in the United States. Grafton originally developed as a junction point for the Baltimore and Ohio Railroad, serving numerous branches vital to the local coal industry.