Longney is a village in the civil parish of Longney and Epney, in the Stroud district, in Gloucestershire, England, on the River Severn 5 miles south-west of Gloucester. The parish is long and narrow and the main trades are agricultural, with several farms throughout. Longney is the Saxon name meaning a long island. The population of the Longney and Epney par…Longney is a village in the civil parish of Longney and Epney, in the Stroud district, in Gloucestershire, England, on the River Severn 5 miles south-west of Gloucester. The parish is long and narrow and the main trades are agricultural, with several farms throughout. Longney is the Saxon name meaning a long island. The population of the Longney and Epney parish is 285.