1940s Maps of O'Fallon, Missouri

Explore 7 historic maps of O'Fallon from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how O'Fallon's landscape evolved across the 1940s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1940s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring O'Fallon's history through authentic maps from the 1940s. This is your window into the past.


O'Fallon, MO maps

(7)
  1. 1940 Map of Weldon Spring
    1940 Map of Weldon Spring
    1940 Weldon Spring
    1940 Print · USGS
    The Missouri River bottoms and St. Charles County uplands are captured here just before the Second World War. Researchers can trace family history through several rural landmarks, including Pitman Cem, Antioch Ch, and the lost river community of Hamburg.

  2. 1941 Map of Troy, 1964 Print
    1941 Map of Troy, 1964 Print
    1941 Troy
    1964 Print · USGS
    Lincoln and St. Charles Counties are captured here in the early 1940s as the rail-and-river economy shaped local life. Researchers can trace dozens of rural schoolhouses and family landmarks like Pond Fort Sch, Shiloh Ch, and the Wabash RR junction at Wentzville.
    2 unique versions available

  3. 1943 Map of Brussels
    1943 Map of Brussels
    1943 Brussels
    1943 Print · USGS
    The river bottomlands near the Missouri and Illinois border come alive in the 1940s, showing a network of ferries, landings, and rail lines. Trace family history through local landmarks like Lone Tree Indian Mound, Boones Lick Road, and St Peters.
    2 unique versions available

  4. 1945 Map of Troy
    1945 Map of Troy
    1945 Troy
    1945 Print · USGS
    Lincoln and St. Charles counties are shown in the 1940s, revealing a landscape of small farming hamlets and a high density of rural schoolhouses. Researchers can trace the paths of the Wabash RR and locate ancestral landmarks like Owen Station Sch or Oak Grove Cem.
    2 unique versions available

  5. 1948 Map of Augusta, 1963 Print
    1948 Map of Augusta, 1963 Print
    1948 Augusta
    1963 Print · USGS
    Eastern Missouri river country at mid-century shows a landscape of small farming hamlets and essential riverside industries. Genealogists and historians can locate rural landmarks like Emmaus Sanitarium, the Tavern Rock Quarry, and numerous local schools such as Wide Awake Sch.
    2 unique versions available

  6. 1949 Map of Saint Louis
    1949 Map of Saint Louis
    1949 Saint Louis
    1949 Print · USGS
    Greater St. Louis and its surrounding river valleys are captured here just after the war, showing the metropolitan core and the rural Ozark fringe. Researchers can trace the sprawling rail network of the Wabash RR or locate landmarks like Meramec Caverns Airport and Scott Air Force Base.
    2 unique versions available

  7. 1949 Map of Augusta
    1949 Map of Augusta
    1949 Augusta
    1949 Print · USGS
    Mid-century St. Charles and Franklin Counties are seen here along the Missouri River as the post-war rural landscape began to shift. Genealogists and local historians can trace family locations through numerous rural schoolhouses like Wide Awake Sch, or locate industrial sites like the Weldon Spring Ordnance Works.
    2 unique versions available

End of results
Showing maps 1-7 of 7

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Frequently asked questions

  • What are the different types of historical maps available for O'Fallon?
  • What is the oldest map of O'Fallon?
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  • Are there historical topographic maps available for O'Fallon?
  • Is there historical aerial imagery available for O'Fallon?
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