NEWSTEAD-on-ANCOLM, a liberty (extra-parochial), in the southern division of the wapentake of YARBOROUGH, parts of LINDSEY, county of LINCOLN, 1 mile (S.) from Glandford-Bridge. It was given by Henry II. to St. Gilbert and the canons of Sempringham, who here founded a priory of their order, in honour of the Holy Trinity, the revenue of which, at the dissolution, was valued at £55. 1. 8.