 gillespie is a city in macoupin county, illinois, united states. the population was 3,412 at the 2000 census. ==history== gillespie is named for judge joseph gillespie. ==geography== gillespie is located at  (39.126023, -89.816403).{{cite web|url=http://www.census.gov/geo/www/gazetteer/gaz
Cities_in_Illinois Cities_in_Macoupin_County,_Illinois Communities_on_U.S._Route_66