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1900s (20th Century) Maps of Harpswell, Maine

Explore 37 historic maps of Harpswell from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Harpswell's landscape evolved across the 1900s, 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 1900s, 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 Harpswell's history through authentic maps from the 1900s. This is your window into the past.

Harpswell, ME maps

(37)
  1. 1914 Map of Casco Bay
    1914 Map of Casco Bay
    1914 Casco Bay
    1914 Print · USGS
    Cumberland County's coastline and islands are shown in 1914, featuring a landscape of active coastal defenses and bustling maritime travel. Researchers can locate prominent landmarks such as Fort Mc Kinley, the Portland Head Light, and various steamer stops like Eastern Landing.
  4. 1916 Map of Casco Bay
    1916 Map of Casco Bay
    1916 Casco Bay
    1916 Print · USGS
    Cumberland County’s shoreline was a landscape of strategic military forts and busy steamboat landings in the years before the Great War. Genealogists and historians can trace coastal heritage through landmarks like Fort Williams, Pine Grove School, and the scattered piers of Falmouth Foreside.
    8 unique versions available
  7. 1916 Map of Portland And Vicinity
    1916 Map of Portland And Vicinity
    1916 Portland And Vicinity
    1916 Print · USGS
    Coastal Maine at the start of the Great War reveals a landscape of heavy coastal fortifications and bustling rail terminals. Trace old neighborhood boundaries and family landmarks like Milliken Mills, Hillside Cemetery, and the Portland Head lighthouse.
  10. 1918 Map of Portland And Vicinity, 1926 Print
    1918 Map of Portland And Vicinity, 1926 Print
    1918 Portland And Vicinity
    1926 Print · USGS
    Coastal Maine at the height of the Great War reveals a landscape of harbor forts, railroad junctions, and seaside settlements. Genealogists and historians can trace family roots through labels for Evergreen Cemetery, Spurwink Church, and dozens of rural schoolhouses like Babb School.
  13. 1919 Map of Small Point
    1919 Map of Small Point
    1919 Small Point
    1919 Print · USGS
    The Maine coastline at the mouth of the Kennebec is captured in this era of transition, detailing the rocky islands and harbors of the outer Casco Bay. Genealogists and maritime historians can trace coastal settlements at Popham Beach and Bailey Island, or locate landmarks like Seguin Light and Small Pt Harbor.
  16. 1920 Map of Bath
    1920 Map of Bath
    1920 Bath
    1920 Print · USGS
    Coastal Maine at the height of the rail era is captured here, showing the intricate tidal waters surrounding Bath and Brunswick. Genealogists and local historians can trace family locations near Nequasset Falls, Cundy Harbor, and the Quaker church.
    2 unique versions available
  19. 1941 Map of Casco Bay
    1941 Map of Casco Bay
    1941 Casco Bay
    1941 Print · USGS
    Casco Bay and its vital harbor defenses are captured here just as the nation prepared for war. Military historians and genealogists can locate Fort McKinley and Fort Williams alongside local landmarks like Pine Grove Sch.
  22. 1941 Map of Freeport, 1957 Print
    1941 Map of Freeport, 1957 Print
    1941 Freeport
    1957 Print · USGS
    Cumberland County at the dawn of the 1940s shows a landscape defined by the Androscoggin River and the rugged shoreline of Casco Bay. Local researchers can trace family roots through numerous burial grounds like Elmlawn Cem or locate forgotten schoolhouses like Hacker Sch and Hicks Sch.
  25. 1944 Map of Freeport
    1944 Map of Freeport
    1944 Freeport
    1944 Print · USGS
    Cumberland County’s rugged shoreline and industrial river valleys are captured during the early 1940s, from the mills of the Androscoggin River to the islands of Casco Bay. Researchers can trace the legacy of local families through landmarks like Plummer Mill, Hacker Sch, and the Lunt Memorial Cem.
    3 unique versions available
  28. 1944 Map of Small Point
    1944 Map of Small Point
    1944 Small Point
    1944 Print · USGS
    The Maine coastline during the early 1940s reveals a maritime landscape of isolated peninsulas and island fishing communities. Genealogists and coastal historians can trace the foundations of Popham Beach, explore the landing at West Point, and locate family landmarks from Bailey Island to Morse Mountain.
    3 unique versions available
  31. 1944 Map of South Harpswell
    1944 Map of South Harpswell
    1944 South Harpswell
    1944 Print · USGS
    The Maine coast in the mid-1940s reveals a world defined by the tides and steamer travel across Mericoneag Sound. Trace family property or maritime history near South Harpswell, Bailey Island, or the remote Halfway Rock Lighthouse.
  34. 1945 Map of Bath
    1945 Map of Bath
    1945 Bath
    1945 Print · USGS
    The mid-coast Maine shoreline and Kennebec River shipping corridor are preserved here just as the war was ending. Genealogists and historians can trace the locations of family burial grounds like Winnegance Cem, rural schoolhouses like Littlefield Sch, and the industrial footprint of the Dana Mill.
    2 unique versions available
  37. 1948 Map of Bath
    1948 Map of Bath
    1948 Bath
    1948 Print · USGS
    Mid-coast Maine’s intricate shoreline and island outposts are captured here just after the war. Researchers can trace historic maritime settlements from Bath to Friendship and locate remote landmarks like Monhegan Island and Pemaquid Point.
    2 unique versions available
  40. 1949 Map of Portland
    1949 Map of Portland
    1949 Portland
    1949 Print · USGS
    Coastal Maine and the New Hampshire interior are shown in detail during the late forties, from the bustling harbors to the lakeside villages. Researchers can trace historical rail networks like the Boston & Maine RR and locate coastal defenses such as Fort Preble.
    3 unique versions available
  43. 1950 Map of Phippsburg
    1950 Map of Phippsburg
    1950 Phippsburg
    1950 Print · USGS
    Coastal Sagadahoc County during the mid-twentieth century reveals a landscape of maritime defense and granite-hewn industry. Genealogists and researchers can locate family-named plots like Harris Cem, historic landmarks such as Fort Popham, and industrial sites including the Old Mica Mine.
  46. 1950 Map of Orrs Island
    1950 Map of Orrs Island
    1950 Orrs Island
    1950 Print · USGS
    Coastal Maine in the post-war era reveals an intricate network of island villages and saltwater coves. Genealogists can trace family-named points and landmarks like the Gun Point School, Harpswell Ch, and the fishing hub at Cundy Harbor.
  49. 1950 Map of Bailey Island
    1950 Map of Bailey Island
    1950 Bailey Island
    1950 Print · USGS
    The Harpswell islands and the Casco Bay coastline are captured in the mid-1940s, showing a landscape defined by maritime navigation. Trace family landmarks and old harbor sites near Mackerel Cove, David Castle, and the isolated Ragged Island.
  52. 1956 Map of South Harpswell, 1959 Print
    1956 Map of South Harpswell, 1959 Print
    1956 South Harpswell
    1959 Print · USGS
    The islands and sounds of Casco Bay come alive in this mid-century survey of the Cumberland County coast. Genealogists and coastal historians can trace the landings and homesteads of South Harpswell or locate landmarks like Halfway Rock and the Observation Tower on Jewell Island.
    3 unique versions available
  55. 1956 Map of Portland, 1963 Print
    1956 Map of Portland, 1963 Print
    1956 Portland
    1963 Print · USGS
    Southern Maine and eastern New Hampshire are captured here in the mid-fifties, during a time of major highway expansion and military growth. You can trace the path of the Maine Turnpike and locate landmarks like the Portsmouth Naval Shipyard and Sebago Lake.
    4 unique versions available
  58. 1956 Map of Bath, 1974 Print
    1956 Map of Bath, 1974 Print
    1956 Bath
    1974 Print · USGS
    Coastal Maine in the mid-fifties reveals a landscape of deep-water harbors and island outposts as the region transitioned from industrial roots to a summer destination. Genealogists can trace maritime families in Boothbay Harbor, Tenants Harbor, and on remote Monhegan Island.
  61. 1957 Map of Bath
    1957 Map of Bath
    1957 Bath
    1957 Print · USGS
    The Maine coast in the mid-fifties is captured here, from the shipbuilding hubs of Bath and Brunswick to the granite reaches of Rockland. Researchers can trace the Maine Central RR line and remote island outposts like Monhegan Island and Matinicus Isle.
  64. 1957 Map of Phippsburg, 1959 Print
    1957 Map of Phippsburg, 1959 Print
    1957 Phippsburg
    1959 Print · USGS
    Coastal Sagadahoc County is shown in detail during the mid-fifties, from the Kennebec mouth to the granite ridges of Phippsburg. Researchers can trace historical defenses at Fort Popham, locate the Old Mica Mine, and find local landmarks like the Sebasco School and West Point Church.
    2 unique versions available
  67. 1957 Map of Orrs Island, 1959 Print
    1957 Map of Orrs Island, 1959 Print
    1957 Orrs Island
    1959 Print · USGS
    Coastal life in the late fifties centered on the interconnected islands and necks of Maine's shoreline. Genealogists and historians can trace family locations near Cundys Harbor, Orrs Island, and the Queen of the Mission Chapel.
    4 unique versions available
  70. 1957 Map of Bailey Island, 1959 Print
    1957 Map of Bailey Island, 1959 Print
    1957 Bailey Island
    1959 Print · USGS
    Coastal Harpswell at the mid-century reveals the intimate connection between the land and the Atlantic. Genealogists and historians can trace the shoreline of Bailey Island and Orrs Island, locating landmarks like Mackerel Cove and the Jamison Ledge Beacon.
    3 unique versions available
  73. 1957 Map of Freeport, 1959 Print
    1957 Map of Freeport, 1959 Print
    1957 Freeport
    1959 Print · USGS
    Mid-century coastal Maine comes to life in this survey of the shoreline where the railroad meets the tide. Genealogists and researchers can trace local landmarks like Burr Cem, the South Freeport Ch, and the many islands of Casco Bay.
    3 unique versions available
Showing maps 1-25 of 37

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