[Transcribed and edited information mainly from Kelly's Directory of Cambridgeshire 1929]
"WELCHES DAM, formerly extra-parochial, is now a parish, in the Isle of Ely, on the Old Bedford river, 5 miles east from Chatteris, in the South Witchford hundred, North Witchford union and petty sessional division and county court district of March. The mission church of St. Eanswythe was erected in 1909, and is served by the vicar of Manea. The soil is fen land; subsoil, clay. The chief crops are wheat, beans, oats and roots. The area is 2,355 acres of land and 33 of water; the population in 1921 was 125."