ALLERTON, (Nottinghamshire) near Sherwood Forest, is a hamlet, in the p. of Edinstow, where was the manor and seat of the family of Markhams; one of whom was Tho. standardbearer to Q. Eliz's. band of pensioners, and his grandson of the same name lost his life in 1643, in the fight against the Pt. forces, at Gainsborough.