Kingston St Mary is a village and parish in Somerset, England, situated at the southern end of the Quantock Hills 4 miles (6.4 km) north of Taunton in the Somerset West and Taunton district. The village has a population of 921. The parish includes the hamlets of Yarford which includes the grade II and Fulford where Fulford House was built about 1830, which has been designated by English Heritage as a grade II listed building.