Polmassick ()Place-names in the Standard Written Form (SWF) : List of place-names agreed by the MAGA Signage Panel . Cornish Language Partnership. is a hamlet in the civil parish of St Ewe in Cornwall, England. It is about half a mile southwest of St Ewe Churchtown.Ordnance Survey One-inch map of Great Britain; Truro and Falmouth, sheet 189. 1961 A stream of the same name flows through the area, which is inhabited by trout.
