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Old Maps of Thorntown, Delaware for Genealogy

Trace your family roots with 15 historic maps of Thorntown. 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 Thorntown's past.

Thorntown, DE maps

(15)
  1. 1904 Map of Wilmington, 1961 Print
    1904 Map of Wilmington, 1961 Print
    1904 Wilmington
    1961 Print · USGS
    Delaware’s coastal industrial corridor and river defenses are captured here at the turn of the century. Genealogists and historians can trace old transit lines like the Maryland and Delaware Electric RR or locate landmarks such as Fort Delaware and Coochs Bridge.
  4. 1906 Map of Wilmington
    1906 Map of Wilmington
    1906 Wilmington
    1906 Print · USGS
    The industrial waterfronts and rail hubs of northern Delaware thrive in the early twentieth century. Researchers can trace the path of the Chesapeake and Delaware Canal, find the strategic Fort Delaware, and locate old settlements like Coochs Bridge and St Georges.
    7 unique versions available
  7. 1919 Map of Wilmington
    1919 Map of Wilmington
    1919 Wilmington
    1919 Print · USGS
    Northern Delaware and the river corridor are mapped at the close of the Great War, highlighting strategic coastal defenses and rail hubs. Genealogists can trace early landmarks like Coochs Bridge, Corner Ketch, and the defensive works at Fort Delaware.
    2 unique versions available
  10. 1946 Map of Wilmington, 1948 Print
    1946 Map of Wilmington, 1948 Print
    1946 Wilmington
    1948 Print · USGS
    The Delaware Valley and Jersey Shore emerge in this mid-century portrait of a region defined by river commerce and seaside growth. Genealogists and historians can trace the rail networks of the Pennsylvania Railroad, locate early airfields like Dover Airpark, and find river defenses at Fort Delaware.
    2 unique versions available
  13. 1948 Map of Delaware City, 1965 Print
    1948 Map of Delaware City, 1965 Print
    1948 Delaware City
    1965 Print · USGS
    The Delaware River shoreline at mid-century is defined by its military fortifications and heavy maritime traffic between Delaware and New Jersey. Trace historic sites like Fort Delaware, the Quarantine Station on Reedy Island, and the Finns Point National Cemetery near the canal.
    5 unique versions available
  16. 1951 Map of Delaware City
    1951 Map of Delaware City
    1951 Delaware City
    1951 Print · USGS
    Coastal Delaware and New Jersey meet along the tidal river and canal in the early fifties, before modern expansion altered the marshlands. Genealogists and historians can locate Finns Point National Cemetery, the river defenses of Fort Delaware, and old schoolhouses like Union Sch.
  19. 1955 Map of Wilmington
    1955 Map of Wilmington
    1955 Wilmington
    1955 Print · USGS
    The Delaware Valley and Jersey Shore are seen here during the mid-fifties era of rapid suburban expansion and highway development. You can trace the path of the New Jersey Turnpike, locate the Fort Dix Military Reservation, or explore the rail networks of the Pennsylvania Railroad.
  22. 1957 Map of Wilmington
    1957 Map of Wilmington
    1957 Wilmington
    1957 Print · USGS
    The mid-Atlantic coastal plain comes alive in the mid-fifties as the New Jersey Turnpike and Garden State Parkway redefine travel. Researchers can trace the rail-to-road transition and find landmarks like Ship John Shoal Light and the Fort Dix Military Reservation.
    2 unique versions available
  25. 1959 Map of Wilmington
    1959 Map of Wilmington
    1959 Wilmington
    1959 Print · USGS
    The Delaware Valley and Jersey Shore are seen here in the late fifties, during a period of massive suburban and highway expansion. Researchers can trace mid-century infrastructure like the N J Turnpike or locate coastal landmarks from Barnegat Bay to the Maurice River.
    3 unique versions available
  28. 1966 Map of Wilmington, 1968 Print
    1966 Map of Wilmington, 1968 Print
    1966 Wilmington
    1968 Print · USGS
    The Delaware Valley and Jersey Shore are seen here in the mid-1960s, documenting a landscape of dense industrial cities and emerging coastal resorts. Researchers can trace the sprawling rail networks of the Pennsylvania Railroad or locate landmarks like Fort Dix Military Reservation and Elk Neck State Park.
    4 unique versions available
  31. 1972 Map of Wilmington, 1976 Print
    1972 Map of Wilmington, 1976 Print
    1972 Wilmington
    1976 Print · USGS
    The Delaware Valley and Jersey Shore are seen here in the 1970s, showcasing the region's dense transport networks and vast state forests. Trace early coastal development near Atlantic City or locate rural landmarks like Mount Holly and Dover Air Force Base.
    2 unique versions available
  34. 1984 Map of Wilmington, 1986 Print
    1984 Map of Wilmington, 1986 Print
    1984 Wilmington
    1986 Print · USGS
    The Delaware Valley in the mid-eighties was a powerhouse of transit and industry where Delaware, New Jersey, Pennsylvania, and Maryland meet. Researchers can trace the sprawling rail networks of SEPTA and PATCO or locate historic sites like Fort Delaware State Park and Valley Forge State Forest.
    2 unique versions available
  37. 1993 Map of Delaware City
    1993 Map of Delaware City
    1993 Delaware City
    1993 Print · USGS
    The Delaware riverfront and its coastal defenses appear in detail during the early nineties, showing the historic corridor between Delaware and New Jersey. Genealogists and historians can trace riverside settlements like Port Penn, the site of Fort Elfsborg, and the Finns Point National Cemetery.
  40. 1999 Map of Delaware City, 2001 Print
    1999 Map of Delaware City, 2001 Print
    1999 Delaware City
    2001 Print · USGS
    The Delaware River shoreline at the close of the twentieth century reveals a landscape defined by historic river forts and sprawling coastal wetlands. Researchers can trace the heritage of Delaware City and Port Penn or locate the Finns Point National Cemetery.
  43. 2023 Map of Delaware City, 2023 Print
    2023 Map of Delaware City, 2023 Print
    2023 Delaware City
    2023 Print · USGS
    Coastal Delaware and New Jersey meet at the mouth of the Delaware River in this recent survey. Researchers can trace historic cemeteries and maritime landmarks including Finn's Point National Cem, Pea Patch Island, and the vital Chesapeake and Delaware Canal.
End of results
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