Algarthorpe, in the Broxtow Wapentake of Nottinghamshire, comes from the Old Norse male personal name Álfgeirr the Old Norse element þorp ‘outlying farm, settlement’. Algarthorpe is a deserted medieval village near Basford, Nottinghamshire.
J.E.B. Gover, Allen Mawer and F.M. Stenton, The Place-Names of Nottinghamshire. English Place-Name Society Volume XVII (1940), p. 138.