TUCKER MO Tucker is a discontinued post-office in Gatewood Townshipabout 1888 John Tucker put up a country store. It was known as Tucker's and later as Tuckertown when a grist mill, a blacksmith shop, another store and a cotton gin were put in. When the post office was established the name was shortened to Tucker. Located at Sections 21 and 22, Township 22N, Range 1 W on Highway Z, south of 142.