Coordinates: 54°46′19″N 3°15′40″W / 54.772°N 3.261°W Allhallows is a civil parish in the Allerdale district of Cumbria, England. It has a population of 548 (2001 census), reducing slightly to 546 at the 2011 Census. The parish includes the hamlets of Baggrow, Harbybrow, Watchhill, and Fletchertown.