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Old Maps of O'Fallon, Missouri for Genealogy

Trace your family roots with 27 historic maps of O'Fallon. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.

  • Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
  • Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
  • Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.

These maps are an incredible resource for exploring your personal connection to O'Fallon's past.

O'Fallon, MO maps

(27)
  1. 1903 Map of O'Fallon
    1903 Map of O'Fallon
    1903 O'Fallon
    1903 Print · USGS
    Covers O'Fallon, including Saint Charles, Saint Peters, and other nearby areas
    5 unique versions available
  4. 1931 Map of Brussels
    1931 Map of Brussels
    1931 Brussels
    1931 Print · USGS
    Covers O'Fallon, including Saint Charles, Saint Peters, and other nearby areas
    2 unique versions available
  7. 1937 Map of Weldon Spring
    1937 Map of Weldon Spring
    1937 Weldon Spring
    1937 Print · USGS
    Covers O'Fallon, including Saint Peters, Chesterfield, and other nearby areas
  10. 1939 Map of Brussels, 1955 Print
    1939 Map of Brussels, 1955 Print
    1939 Brussels
    1955 Print · USGS
    Covers O'Fallon, including Saint Charles, Saint Peters, and other nearby areas
  13. 1940 Map of Weldon Spring
    1940 Map of Weldon Spring
    1940 Weldon Spring
    1940 Print · USGS
    Covers O'Fallon, including Saint Peters, Chesterfield, and other nearby areas
  16. 1941 Map of Troy, 1964 Print
    1941 Map of Troy, 1964 Print
    1941 Troy
    1964 Print · USGS
    Covers O'Fallon, including Wentzville, Troy, and other nearby areas
    2 unique versions available
  19. 1943 Map of Brussels
    1943 Map of Brussels
    1943 Brussels
    1943 Print · USGS
    Covers O'Fallon, including Saint Charles, Saint Peters, and other nearby areas
    2 unique versions available
  22. 1945 Map of Troy
    1945 Map of Troy
    1945 Troy
    1945 Print · USGS
    Covers O'Fallon, including Wentzville, Troy, and other nearby areas
    2 unique versions available
  25. 1948 Map of Augusta, 1963 Print
    1948 Map of Augusta, 1963 Print
    1948 Augusta
    1963 Print · USGS
    Covers O'Fallon, including Washington, Gray Summit, and other nearby areas
    2 unique versions available
  28. 1949 Map of Saint Louis
    1949 Map of Saint Louis
    1949 Saint Louis
    1949 Print · USGS
    Covers O'Fallon, including St. Louis, Saint Charles, and other nearby areas
    2 unique versions available
  31. 1949 Map of Augusta
    1949 Map of Augusta
    1949 Augusta
    1949 Print · USGS
    Covers O'Fallon, including Washington, Gray Summit, and other nearby areas
    2 unique versions available
  34. 1954 Map of O'Fallon, 1959 Print
    1954 Map of O'Fallon, 1959 Print
    1954 O'Fallon
    1959 Print · USGS
    Covers O'Fallon, including Saint Peters, Dardenne Prairie, and other nearby areas
    4 unique versions available
  37. 1954 Map of Weldon Spring, 1959 Print
    1954 Map of Weldon Spring, 1959 Print
    1954 Weldon Spring
    1959 Print · USGS
    Covers O'Fallon, including Saint Peters, Chesterfield, and other nearby areas
    5 unique versions available
  40. 1954 Map of Brussels, 1960 Print
    1954 Map of Brussels, 1960 Print
    1954 Brussels
    1960 Print · USGS
    Covers O'Fallon, including Saint Charles, Saint Peters, and other nearby areas
    2 unique versions available
  43. 1962 Map of St. Louis
    1962 Map of St. Louis
    1962 St. Louis
    1962 Print · USGS
    Covers O'Fallon, including St. Louis, Saint Charles, and other nearby areas
  46. 1963 Map of St. Louis, 1970 Print
    1963 Map of St. Louis, 1970 Print
    1963 St. Louis
    1970 Print · USGS
    Covers O'Fallon, including St. Louis, Saint Charles, and other nearby areas
    4 unique versions available
  49. 1966 Map of St. Louis
    1966 Map of St. Louis
    1966 St. Louis
    1966 Print · USGS
    Covers O'Fallon, including St. Louis, Saint Charles, and other nearby areas
  52. 1972 Map of Defiance, 1973 Print
    1972 Map of Defiance, 1973 Print
    1972 Defiance
    1973 Print · USGS
    Covers O'Fallon, including New Melle, Defiance, and other nearby areas
    3 unique versions available
  55. 1972 Map of Wentzville, 1973 Print
    1972 Map of Wentzville, 1973 Print
    1972 Wentzville
    1973 Print · USGS
    Covers O'Fallon, including Wentzville, Dardenne Prairie, and other nearby areas
    2 unique versions available
  58. 1979 Map of Wentzville, 1980 Print
    1979 Map of Wentzville, 1980 Print
    1979 Wentzville
    1980 Print · USGS
    Covers O'Fallon, including Wentzville, Dardenne Prairie, and other nearby areas
  61. 1979 Map of Weldon Spring, 1981 Print
    1979 Map of Weldon Spring, 1981 Print
    1979 Weldon Spring
    1981 Print · USGS
    Covers O'Fallon, including Saint Peters, Chesterfield, and other nearby areas
  64. 1985 Map of St Louis
    1985 Map of St Louis
    1985 St Louis
    1985 Print · USGS
    Covers O'Fallon, including St. Louis, Saint Charles, and other nearby areas
    3 unique versions available
  67. 1994 Map of O'Fallon, 1995 Print
    1994 Map of O'Fallon, 1995 Print
    1994 O'Fallon
    1995 Print · USGS
    Covers O'Fallon, including Saint Peters, Dardenne Prairie, and other nearby areas
  70. 1994 Map of Weldon Spring, 1995 Print
    1994 Map of Weldon Spring, 1995 Print
    1994 Weldon Spring
    1995 Print · USGS
    Covers O'Fallon, including Saint Peters, Chesterfield, and other nearby areas
  73. 2000 Map of Defiance, 2003 Print
    2000 Map of Defiance, 2003 Print
    2000 Defiance
    2003 Print · USGS
    Covers O'Fallon, including New Melle, Defiance, and other nearby areas
Showing maps 1-25 of 27

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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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