It consisted of the northern two - thirds of survey Township 7 North , Range 2 West of the Third Principal Meridian .
South Fillmore Township was a civil township of Montgomery County , Illinois , United States .
South Fillmore Township consisted of the northern two - thirds of survey Township 7 North , Range 2 West of the Third Principal Meridian .
South Fillmore Township was a civil township of Montgomery County , Illinois , United States .