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1940s Maps of Lyme, New York

Explore 9 historic maps of Lyme 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 Lyme'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 Lyme's history through authentic maps from the 1940s. This is your window into the past.

Lyme, NY maps

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  1. 1942 Map of Henderson Bay
    1942 Map of Henderson Bay
    1942 Henderson Bay
    1942 Print · USGS
    Jefferson County’s shoreline comes alive in the early 1940s, highlighting the military presence at the historic Madison Barracks. Researchers can trace old lakeside schoolhouses and family cemeteries like Stone Cem or explore the waterfront detail near Sackets Harbor.
  4. 1942 Map of Chaumont
    1942 Map of Chaumont
    1942 Chaumont
    1942 Print · USGS
    Lake Ontario's northern shores are captured in the early 1940s, showing the vital rail-and-water connections of Jefferson County. Genealogists and local historians can trace family sites like Harris Cem, local landmarks such as Wells School, and the villages of Three Mile Bay and Chaumont.
  7. 1942 Map of Sawmill Bay
    1942 Map of Sawmill Bay
    1942 Sawmill Bay
    1942 Print · USGS
    The Thousand Islands region along the New York-Ontario border is captured here during the early 1940s. Researchers can trace the rural landscape of Jefferson County through sites like Sand Bay Cem, the Wolfe Island L H, and local schoolhouses like School No 19.
  10. 1942 Map of Cape Vincent South
    1942 Map of Cape Vincent South
    1942 Cape Vincent South
    1942 Print · USGS
    Coastal Jefferson County comes alive in this wartime survey of the waterfront where the St. Lawrence meets Lake Ontario. Genealogists can trace rural family life through a dozen numbered schoolhouses and explore landforms like Grenadier Island and the Long Carrying Place.
    2 unique versions available
  13. 1942 Map of Point Peninsula
    1942 Map of Point Peninsula
    1942 Point Peninsula
    1942 Print · USGS
    Jefferson County shorelines were a landscape of military readiness and isolated lake outposts during the Second World War. Researchers can trace the boundaries of the U S Military Res, find family landmarks like Cooper, and locate the Stony Point Rifle Range.
  16. 1942 Map of Clayton, 1957 Print
    1942 Map of Clayton, 1957 Print
    1942 Clayton
    1957 Print · USGS
    The Thousand Islands region appears at a mid-century peak in this survey of the riverfront and agricultural interior. Local historians can trace the foundations of the community through its many numbered rural schools and family burial sites like Corbin Cem and Dutch Cem.
  19. 1943 Map of Dexter
    1943 Map of Dexter
    1943 Dexter
    1943 Print · USGS
    Jefferson County life in the early 1940s is centered on the riverfront industry and rail connections of the lake plain. Genealogists can locate family burial grounds like Freeman Cem and identify numerous rural schoolhouses including School No 16 and School No 8.
  22. 1943 Map of Clayton
    1943 Map of Clayton
    1943 Clayton
    1943 Print · USGS
    The Thousand Islands region and the St. Lawrence riverfront are captured here in the early 1940s. Genealogists and local historians can trace the rural school system and family burial grounds, including School No 2, Dutch Cem, and the village of Depauville.
  25. 1944 Map of Cape Vincent
    1944 Map of Cape Vincent
    1944 Cape Vincent
    1944 Print · USGS
    The Thousand Islands region thrived as a maritime and rail hub during the mid-twentieth century. Researchers can trace the international boundary line and locate historic landmarks like Tibbetts Pt. L.H. or the Marysville settlement on Wolfe Island.
End of results
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Frequently asked questions

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