1900s (20th Century) Maps of Groton, Massachusetts
Explore 48 historic maps of Groton 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 Groton'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 Groton's history through authentic maps from the 1900s. This is your window into the past.
Groton, MA maps
(48)- 1918 Map of Lowell
1918 Lowell1918 Print · USGSGreater Lowell and the Merrimack Valley are shown at their industrial peak during the First World War. Genealogists can trace family connections to mill-town life in Middlesex Village or locate rural landmarks like Flat Rock Quarry and the Old Middlesex Canal. - 1921 Map of Lowell
1921 Lowell1921 Print · USGSThe industrial corridor of the Merrimack Valley is captured here during the early twentieth century, showing the dense urban grid of Lowell alongside rural Middlesex County. Researchers can trace the extensive reach of the Boston and Maine Railroad and locate local landmarks like the Poor Farm or Flat Rock Quarry. - 1931 Map of Lowell
1931 Lowell1931 Print · USGSSouthern New Hampshire and northern Massachusetts met along the river and rail lines in the early thirties. Local researchers can trace family lands near St Marie Convent, the site of Musquash Sch, and the heights of Jeremy Hill. - 1931 Map of Groton
1931 Groton1931 Print · USGSThe Massachusetts and New Hampshire borderlands in the early thirties reveal a landscape of river-powered rail and rural industry. Genealogists can trace family landmarks and transport hubs like Hollis Sta, Potanopa Pond, and the Runnels Bridge. - 1935 Map of Ayer
1935 Ayer1935 Print · USGSThe intersection of Middlesex and Worcester counties in the mid-1930s reveals a landscape of military bases, historic academies, and industrial ponds. Researchers can trace the layout of Fort Devens, the grounds of the Groton School, and the unique settlement at Shaker Village. - 1935 Map of Groton
1935 Groton1935 Print · USGSCrossing the New Hampshire border in the 1930s, this area was a bustling hub of rail transport and riverside industry. Researchers can trace the legacy of communal life at Shaker Village, locate the campus of Groton School, or follow the lines of the Boston and Maine RR through towns like Pepperell and Shirley. - 1935 Map of Lowell
1935 Lowell1935 Print · USGSGreater Lowell and the Merrimack Valley are captured in the mid-1930s, showing a region defined by its industrial riverfront and extensive rail networks. Researchers can trace historic neighborhoods like Wamesit, local landmarks like St Marie Convent, and early industry at Flat Rock Quarry.3 unique versions available - 1935 Map of Shirley
1935 Shirley1935 Print · USGSThe Nashua River valley during the mid-1930s shows a region defined by its rail connections and hilltop villages. Genealogists can trace family sites near Shirley Center, the Industrial School, and cemeteries like St Leo Cem.3 unique versions available - 1936 Map of Groton
1936 Groton1936 Print · USGSNorthern Middlesex County and southern New Hampshire appear here in the mid-1930s, showing a landscape shaped by river power and a dense rail network. Researchers can trace historic sites like the Shaker Village and Groton School, or locate old depots at Townsend Harbor and Ayer.3 unique versions available - 1939 Map of Ayer
1939 Ayer1939 Print · USGSMiddlesex County in the late 1930s is a hub of military activity and historic settlements at the crossroads of the rail. Trace ancestral roots at Shaker Village, Pingryville, or the expansive grounds of Fort Devens.6 unique versions available - 1939 Map of Shirley
1939 Shirley1939 Print · USGSWorcester and Middlesex counties are shown in the late thirties, when rail lines and river valleys defined the region's industrial and social life. Genealogists and researchers can locate the Industrial School, family-named landmarks like Kezar Hill, and numerous cemeteries including St Cecelia Cemetery.3 unique versions available - 1940 Map of Westford
1940 Westford1940 Print · USGSWestford and Littleton appear at the outbreak of World War II as a network of rail-side mill villages and family-held hills. Genealogists can trace old cemeteries like Westlawn Cem, rural depots at Westford Sta, and the layout of Littleton Common. - 1940 Map of Tyngsoboro
1940 Tyngsoboro1940 Print · USGSMiddlesex County emerges in the era before the post-war suburban boom, centered on the Merrimack River and the Boston and Maine RR. Genealogists can trace family locations at Whidden Corner and Fletcher Cem, or find recreational landmarks like Camp Massapoag. - 1941 Map of Tyngsboro
1941 Tyngsboro1941 Print · USGSMiddlesex County communities along the Merrimack River are caught at a point of transition just before the mid-century. Genealogists and local historians can trace family-named crossroads like Frederick Corner and locate the historic Fletcher Quarry or the Central Cem.2 unique versions available - 1941 Map of Westford
1941 Westford1941 Print · USGSMiddlesex County in the late 1930s shows a landscape of industrious mill villages and hilltop farms connected by the Boston and Maine line. Trace the rail routes through Graniteville, locate the grounds of Westlawn Cem, or explore the shores of Forge Pond.2 unique versions available - 1942 Map of Tyngsboro
1942 Tyngsboro1942 Print · USGSThe Merrimack River valley and the Massachusetts-New Hampshire border come alive in this pre-war survey of a landscape defined by granite quarries and river islands. Genealogists can trace family landmarks at Frederick Corner, locate historic burials at Central Cem, or find the old Notre Dame Academy. - 1943 Map of Lowell
1943 Lowell1943 Print · USGSCentral New England industrial hubs and rural borderlands are mapped here during the early 1940s. Genealogists can trace family names across Mt Misery, Barrett Hill, and small settlements like Collinsville or North Pelham. - 1943 Map of Fitchburg
1943 Fitchburg1943 Print · USGSSouthern New Hampshire and northern Massachusetts are captured during the war years, showing a landscape of river-powered mill towns and mountain trails. You can trace family roots in Peterboro, locate the historic Groton School, or study the rail lines of the Boston & Maine RR. - 1944 Map of Pepperell
1944 Pepperell1944 Print · USGSThe Nashua River valley at the New Hampshire border shows a landscape of busy rail junctions and rural crossroads during the 1940s. Genealogists can trace family names through several burial sites like Blood Cem and locate vanished stop-points like Hollis Depot and Hovey Corner.2 unique versions available - 1944 Map of Townsend
1944 Townsend1944 Print · USGSTownsend and Brookline sit at the heart of this mid-century New England landscape as the rail era transitioned toward the modern highway. Researchers can trace the Boston and Maine RR line through Townsend Harbor and find family names at Pine Grove Cem or Center Cem.4 unique versions available - 1946 Map of Westford
1946 Westford1946 Print · USGSMiddlesex County in the mid-1940s shows a landscape of busy rail corridors and established villages. Researchers can trace historic family names and sites like Fairview Cem, the Clay Pit, and rail stops at Westford Sta or Carlisle Sta.2 unique versions available - 1946 Map of Tyngsboro
1946 Tyngsboro1946 Print · USGSThe Merrimack River valley in the mid-1940s reveals a landscape of transit and tradition along the Massachusetts-New Hampshire border. Genealogists and historians can trace local family lineages through named landmarks like Frederick Corner or locate old burial sites including Thompson Cem and Sherburne Cem.2 unique versions available - 1948 Map of Boston
1948 Boston1948 Print · USGSEastern Massachusetts and southern New Hampshire appear at an industrial peak in the late 1940s, just as suburban growth began to accelerate. Genealogists and historians can trace rail lines like the Boston and Albany RR or locate coastal landmarks like Graves Lighthouse and Fort Devens.2 unique versions available - 1949 Map of Shirley
1949 Shirley1949 Print · USGSPost-war central Massachusetts reveals its military and rural character as Fort Devens expands near the Nashua River. Genealogists and historians can trace the Shaker Cemetery, the Industrial School, and the legacy of the Boston and Maine Railroad. - 1950 Map of Townsend, 1952 Print
1950 Townsend1952 Print · USGSMid-century Middlesex County and southern New Hampshire centers on the rail-and-river corridor of Townsend. Genealogists and historians can trace the Boston and Maine Railroad through Townsend Harbor and locate family sites like Hillside Cem and Barker Hill.2 unique versions available
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