THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
10 entries match your criteria.  

 
 

Historical Markers and War Memorials in O''Fallon

 
Clickable Map of St. Clair County, Illinois and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg St. Clair County, IL (243) Clinton County, IL (36) Madison County, IL (254) Monroe County, IL (199) Randolph County, IL (147) Washington County, IL (10) St. Louis County, MO (805) St. Louis County, MO (667)  St.ClairCounty(243) St. Clair County (243)  ClintonCounty(36) Clinton County (36)  MadisonCounty(254) Madison County (254)  MonroeCounty(199) Monroe County (199)  RandolphCounty(147) Randolph County (147)  WashingtonCounty(10) Washington County (10)  St.LouisMissouri(805) St. Louis (805)  St.LouisCounty(667) St. Louis County (667)
Belleville is the county seat for St. Clair County
O'Fallon is in St. Clair County
St. Clair County (243)  ►
ADJACENT TO ST. CLAIR COUNTY
Clinton County (36)  ►
Madison County (254)  ►
Monroe County (199)  ►
Randolph County (147)  ►
Washington County (10)  ►
St. Louis, Missouri (805)  ►
St. Louis County, Missouri (667)  ►
 
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1 ► Illinois, St. Clair County, O'Fallon — 101 W State Street — Main Street O'Fallon Landmark Award — Presented 2006 —
2 ► Illinois, St. Clair County, O'Fallon — 102 W State Street — Main Street O'Fallon Landmark Award — Presented 2006 —
3 ► Illinois, St. Clair County, O'Fallon — 119 E First Street — Main Street O'Fallon Landmark Award — Presented 2006 —
4 ► Illinois, St. Clair County, O'Fallon — 122 E State Street — Main Street O'Fallon Landmark Award — Presented 2009 —
5 ► Illinois, St. Clair County, O'Fallon — 123 E First Street — Main Street O'Fallon Landmark Award — Presented 2009 —
6 ► Illinois, St. Clair County, O'Fallon — 126 E State Street — Main Street O'Fallon Landmark Award — Presented 2009 —
7 ► Illinois, St. Clair County, O'Fallon — 220 E State Street — Main Street O'Fallon Landmark Award — Presented 2006 —
8 ► Illinois, St. Clair County, O'Fallon — 225 W First Street — Main Street O'Fallon Landmark Award — Presented 2006 —
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9 ► Illinois, St. Clair County, O'Fallon — Lest We Forget —
10 ► Illinois, St. Clair County, O'Fallon — O'Fallon Veterans Monument —
 
 
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Nov. 10, 2026