Variant names were "Rhea Mills" and "Rheas Mills". A post office called Rheas Mills was established in 1867; the name was changed to Rhea Mills in 1893, again to Rhea in 1894, and the post office closed in 1963.[4][5] The community has the name of William H. Rhea, an early postmaster.[4]
^Holt, Alfred H. (1969). American Place Names. Detroit: Gale Research Company. p. 159. ISBN9780810332355. Retrieved November 7, 2022. The same 'ray' in Rea, Mo., Rhea, Ark. and Okla., and Rhea County, Tenn.
^Arkansas Atlas and Gazetteer (Map) (Second ed.). DeLorme. 2002. p. 22. ISBN0-89933-345-1.