Word Origin and History for grange the gall-oping ghost
c.1112 (implied in granger), "granary, barn," from O.Fr. grange, from M.L. granica, from L. granum "grain." Sense evolved to "outlying farm" (late 14c.), then "country house" (1550s). Meaning "local lodge of the Patrons of Husbandry" (a U.S. agricultural interest promotion organization) is from 1867.