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1940s Maps of Philadelphia, New York

Explore 8 historic maps of Philadelphia 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 Philadelphia'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 Philadelphia's history through authentic maps from the 1940s. This is your window into the past.

Philadelphia, NY maps

(8)
  1. 1948 Map of Theresa
    1948 Map of Theresa
    1948 Theresa
    1948 Print · USGS
    Jefferson County in the late nineteen-forties centers on the village of Theresa and the winding Indian River as it passes through the limestone ledges. Genealogists can locate family-named landmarks like Chaufty Cem, Shurtleff Corners, and the tracks of the New York Central.
  4. 1948 Map of Black River
    1948 Map of Black River
    1948 Black River
    1948 Print · USGS
    Jefferson County was undergoing significant transformation during the late 1940s as military expansion met established agricultural life. Researchers can trace historic family burial sites like Hoover Cem and the rail-side industry at Felts Mills and Evans Mills.
  7. 1948 Map of Theresa, 1953 Print
    1948 Map of Theresa, 1953 Print
    1948 Theresa
    1953 Print · USGS
    Jefferson County's rural landscape is captured here in the late 1940s as military expansion and river-based industry shaped the region. Researchers can trace family roots through numerous sites like St Marys Cemetery, Bacon School, and the Pine Camp Military Reservation.
  10. 1948 Map of Ogdensburg, 1973 Print
    1948 Map of Ogdensburg, 1973 Print
    1948 Ogdensburg
    1973 Print · USGS
    The international border along the St Lawrence River comes to life in the late 1940s, showing the vital rail and water connections between New York and Ontario. Researchers can trace the grounds of St Lawrence University, the massive Camp Drum military reservation, and the historic Rideau River and Canal.
    2 unique versions available
  13. 1949 Map of Antwerp, 1953 Print
    1949 Map of Antwerp, 1953 Print
    1949 Antwerp
    1953 Print · USGS
    Northern Jefferson County during the late 1940s is defined here by the massive footprint of the Pine Camp Military Reservation. You can trace rural life and ancestry through dozens of schoolhouses and family landmarks like Bishops Corners and Woods Mill.
    2 unique versions available
  16. 1949 Map of Deferiet, 1967 Print
    1949 Map of Deferiet, 1967 Print
    1949 Deferiet
    1967 Print · USGS
    Jefferson County’s river towns and military installations are captured here in the late 1940s as the regional economy shifted. Researchers can locate family landmarks like the F W Woolworth Memorial Cemetery, early schoolhouses, and the rail-side community of Deferiet.
    2 unique versions available
  19. 1949 Map of Antwerp, 1974 Print
    1949 Map of Antwerp, 1974 Print
    1949 Antwerp
    1974 Print · USGS
    Antwerp and the surrounding North Country were undergoing a major military expansion in the late 1940s. Genealogists and historians can trace the intersection of village life and the Pine Camp Military Reservation, locating Hillside Cem and School No 15.
    2 unique versions available
  22. 1949 Map of Philadelphia, 1974 Print
    1949 Map of Philadelphia, 1974 Print
    1949 Philadelphia
    1974 Print · USGS
    Jefferson County at the close of the 1940s shows a landscape of rural crossroads and growing military borders. Genealogists can locate family landmarks like Halls Corners, Sandy Hollow Cemetery, and several numbered schoolhouses.
    3 unique versions available
End of results
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Frequently asked questions

  • What are the different types of historical maps available for Philadelphia?
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