St Kew (Cornish: Lanndohow) is a village in Cornwall, England, United Kingdom. It is also the name of the civil parish (known in Cornish as Pluw Gew), which includes the church town, St Kew, and nearby St Kew Highway (Fordh Lanndogho).The parish is named for a Welsh saint, Cywa or Kew, possibly the sister of Docco, also known as: Docuin, Docwinn, Docquinn, who founded a monastery at or near the village of St Kew. The 15th-century church, however is now dedicated to St James.