sentences:  The name may have derived from the various sloughs in the area, or it may refer instead to Sloe bushes growing in the vicinity.The name first seems to have applied to a hamlet between Upton to the east and Chalvey to the west, roughly around the 'Crown Crossroads' where the road to Windsor (now the A332) met the Great West Road.Along with Salt Hill, these settlements formed the parish of "Upton-cum-Chalvey".