This information regarding towns and/or villages in Illinois is from the following source: Illinois Libraries, Vol. 50, No, 4  Springfield, Illinois   April-May-June 1968  "A List of Illinois Place Names."  [So far as I know this is "The Authority" on Illinois place names.  From my own experience I know that there are omissions which (probably) are mostly small groups of houses which were never incorporated, never had a post office, and never had railroad service.] Charleston  (five entries) Charleston (Coles Co.)  PO est. (ch. from Coles Courthouse) 4/29/1843; active; RFD serves Coffeyville, Fairgrange, Hutton/Salisbury, and Ross.  Incorporated as a city 3/2/1839.  Includes Bishop Heights, Coles Courthouse, Davis Heights, Elsmere, Home Place, Morton's Store, Normal Park Place, North Charleston. (Railroads in 1968) NYC / NYC&StL.  Pop. (1960) 10, 505. Charleston (Township) (Coles Co.)  Named for the city, both named for pioneer Charles Morton. Charleston (Kane Co.) Now St. Charles. Charleston (Peoria Co.) PO est. 6/8/1837;  changed to Brimfield 3/30/1843/ Charleston (Menard Co.)  See Illinois State Register 6/28/1836, Agric. Sec. p. 12 col. 6. ~ ~ ~ ~ ~ ~ Summit Summit (Champaign Co.)  Now Philo  (Bateman & Selby's Historical Encyclopedia of Illinois for various counties    823). Summit (Cook Co.)  PO est. 2/5/1841; dis. (disbanded) 9/5/1848; reest. 12/7/1848; dis. 5/17/1849; reest. 9/16/1853; dis. 8/18/1855; reest. 11/25/1859; dis. since 1931; includes Argo, the combined municipality being incorporated as Summit but PO Argo.  Incorporated as a village 6/20/1890.  (Railroad) GM&O  Pop. (1960) 10, 374. Summit (township) (Effingham Co.) Summit (Knox Co.) Now Douglas Summit (Macon Co.) Now Harristown Summit (Moultrie Co.) Now Gays Summit (St. Clair Co.) Listed in Rand McNally Geographical and Commercial Atlas (Chicago 1956) but not in the 1958 edition.  RFD East St. Louis. (Railroad) L&N. Summit (Tazewell Co.) RFD Mackinaw. (Railroad ) IT. Listed also are the following:  Summit Grove, Summit Heights, Summit Hill, Summit Park, Summit Prairie, and Summit View.