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Old Maps of Petersburg, O'Fallon for Genealogy

Trace your family roots with 8 historic maps of Petersburg. 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 Petersburg's past.

Petersburg, O'Fallon maps

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  1. 1907 Map of Belleville
    1907 Map of Belleville
    1907 Belleville
    1907 Print · USGS
    Southwestern Illinois is seen at a height of rail-driven expansion in the early twentieth century. Trace genealogy and land history in Belleville, O'Fallon, and Summerfield along the Vandalia System and other regional lines.
    3 unique versions available
  4. 1937 Map of O'Fallon
    1937 Map of O'Fallon
    1937 O'Fallon
    1937 Print · USGS
    St. Clair County's coal and rail landscape is on full display during the late 1930s. Genealogists and historians can trace rail depots like Shiloh Sta, local mines including St Ellen Mine, and numerous country schools such as Whiteside Sch.
    2 unique versions available
  7. 1954 Map of O'Fallon, 1959 Print
    1954 Map of O'Fallon, 1959 Print
    1954 O'Fallon
    1959 Print · USGS
    Mid-century St. Clair County thrives as an industrial and rail hub connecting Belleville and O'Fallon. Researchers can trace the legacy of the St Louis and O'Fallon Mine or locate family sites at Oak Hill Cem and Milburn Sch.
    4 unique versions available
  10. 1958 Map of Belleville, 1973 Print
    1958 Map of Belleville, 1973 Print
    1958 Belleville
    1973 Print · USGS
    Southern Illinois during the mid-twentieth century reveals a landscape of industrial growth and massive new reservoirs. Genealogists and historians can trace the paths of the Illinois Central RR through towns like Centralia or locate landmarks such as Emerald Mound and the Looking Glass Prairie.
    3 unique versions available
  13. 1962 Map of Belleville
    1962 Map of Belleville
    1962 Belleville
    1962 Print · USGS
    Southern Illinois in the late fifties reveals a landscape of industrial growth and ancient landmarks before the full expansion of the interstate system. Genealogists can trace family names and rural post offices near Centralia, Salem, and the historic Monks Mound.
  16. 1985 Map of Carlyle Lake
    1985 Map of Carlyle Lake
    1985 Carlyle Lake
    1985 Print · USGS
    Southwestern Illinois in the mid-eighties shows a landscape of growing commuter suburbs and massive water management projects. Genealogists and historians can locate family plots at Lakeview Memorial Gardens Cem or trace the early footprint of Southern Illinois Univ (Edwardsville).
    2 unique versions available
  19. 1991 Map of O'Fallon
    1991 Map of O'Fallon
    1991 O'Fallon
    1991 Print · USGS
    St. Clair County experiences significant suburban growth in the early nineties as residential developments expand around traditional industry. Trace family roots and local history through Messenger Cem, the tracks of the Southern Railway, and Shiloh Station.
    2 unique versions available
  22. 2024 Map of O'Fallon, 2024 Print
    2024 Map of O'Fallon, 2024 Print
    2024 O'Fallon
    2024 Print · USGS
    St. Clair County is shown here as a major regional hub during its contemporary growth, defined by military and educational centers. Trace local roots at Old Saint Clair County Cem or follow the METRO line near BELLEVILLE and SCOTT AFB.
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