Old Maps of Union Township, Pennsylvania for Genealogy

Trace your family roots with 37 historic maps of Union Township. 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 Union Township's past.


Union Township, PA maps

(37)
  1. 1901 Map of Amity, 1956 Print
    1901 Map of Amity, 1956 Print
    1901 Amity
    1956 Print · USGS
    Washington County at the turn of the century shows a landscape transitioning between historic pikes and the burgeoning rail era. Researchers can trace ancestral property near Tenmile Creek or follow the route of the National Pike through Laboratory and Zediker.

  2. 1902 Map of Brownsville
    1902 Map of Brownsville
    1902 Brownsville
    1902 Print · USGS
    The Monongahela Valley was a powerhouse of Pennsylvania industry at the start of the twentieth century, defined by its coal mines and river-front rail lines. Researchers can trace the heritage of the National Pike and locate vanished works at Vesta Mine or Coal Bluff.

  3. 1904 Map of Amity
    1904 Map of Amity
    1904 Amity
    1904 Print · USGS
    Washington County at the start of the twentieth century was a bustling nexus of rail and road, centered on the growing city of WASHINGTON. Researchers can trace early property lines and rail stops like Meadowlands, Laboratory, and the Pittsburg and Washington Turnpike.
    6 unique versions available

  4. 1904 Map of Mc Keesport
    1904 Map of Mc Keesport
    1904 Mc Keesport
    1904 Print · USGS
    Allegheny County at the height of its industrial era reveals a landscape of massive rail yards and riverfront steel towns. Genealogists can trace family roots through dense neighborhoods in Homestead, Wilkinsburg, and Braddock or locate ancestral plots in Homewood Cem.
    2 unique versions available

  5. 1904 Map of Carnegie, 1954 Print
    1904 Map of Carnegie, 1954 Print
    1904 Carnegie
    1954 Print · USGS
    Allegheny County's industrial heartland is captured here at the start of the twentieth century as rail lines and mines reshaped the landscape. Researchers can trace early settlements and social hubs like Cliff Mine, the County Home, and the Union Church.

  6. 1906 Map of Brownsville
    1906 Map of Brownsville
    1906 Brownsville
    1906 Print · USGS
    Southwestern Pennsylvania’s river valleys were centers of industrial expansion when this survey was conducted. Genealogists can locate family homes and landmarks in riverfront towns like Monessen and Charleroi, or trace rural roots near Salem Church and Ginger Hill.
    4 unique versions available

  7. 1906 Map of Carnegie
    1906 Map of Carnegie
    1906 Carnegie
    1906 Print · USGS
    The industrial valleys of Western Pennsylvania come alive in the early 1900s, showing the early infrastructure of the Ohio River and its tributaries. Local historians can trace family roots at Union Church or explore the early coal economy at Cliff Mine and Walkers Mills.
    7 unique versions available

  8. 1907 Map of Pittsburg
    1907 Map of Pittsburg
    1907 Pittsburg
    1907 Print · USGS
    Steel-industry heartlands and river-valley rail corridors define the Pittsburgh region in the early nineteen-hundreds. Trace the complex rail networks of the Union RR and Pennsylvania RR through industrial hubs like Homestead and Wilmerding.
    10 unique versions available

  9. 1908 Map of Carnegie, 1910 Print
    1908 Map of Carnegie, 1910 Print
    1908 Carnegie
    1910 Print · USGS
    Southwest of the Pittsburgh river forks in the early 1900s, a complex web of railroads and industrial hollows began to link the rural coal and mill towns. Trace the paths of the Wabash and Side Belt lines past landmarks like Cliff Mine, Guy Mills, and Treveskyn Cuddy PO.

  10. 1931 Map of Brownsville, 1954 Print
    1931 Map of Brownsville, 1954 Print
    1931 Brownsville
    1954 Print · USGS
    The industrial Monongahela and Youghiogheny river valleys are captured here in the early thirties, showcasing a landscape of coal mines and river locks. Genealogists can trace family homes near Vesta Mine, Sutersville, and rural landmarks like Salem Church.

  11. 1933 Map of Brownsville
    1933 Map of Brownsville
    1933 Brownsville
    1933 Print · USGS
    Western Pennsylvania’s industrial heartland thrives along the river bends in the early thirties, where coal and rail define the landscape. Trace the expansion of river towns like Charleroi and Monessen, locate the Vesta Mine, or find rural landmarks like Mt Union Sch.
    2 unique versions available

  12. 1940 Map of Brownsville
    1940 Map of Brownsville
    1940 Brownsville
    1940 Print · USGS
    The Monongahela and Youghiogheny river valleys were the industrial heart of Pennsylvania during this era of coal and steel. Genealogists and historians can trace the exact locations of Vesta Mine, Salem Church, and historic rural schools like Central Sch.

  13. 1951 Map of Canton
    1951 Map of Canton
    1951 Canton
    1951 Print · USGS
    The industrial heartland of Ohio and Pennsylvania reached its mid-century peak during this era of heavy rail and river transit. Genealogists and historians can trace the development of steel towns like Aliquippa and Weirton alongside the Ohio River and major lines of the Pennsylvania RR.

  14. 1953 Map of Pittsburgh
    1953 Map of Pittsburgh
    1953 Pittsburgh
    1953 Print · USGS
    Western Pennsylvania's industrial landscape at the start of the fifties shows the steel and rail corridors between Pittsburgh and Altoona. Trace family roots in river towns like Tarentum or follow the Pennsylvania Turnpike across Laurel Hill.

  15. 1953 Map of Canton
    1953 Map of Canton
    1953 Canton
    1953 Print · USGS
    The industrial heartland of Ohio and Pennsylvania is captured at its mid-century peak in this detailed regional survey. Genealogists and historians can trace the vast rail networks of the Pennsylvania RR and find local landmarks like Nimisila Reservoir and Tappan Reservoir.

  16. 1953 Map of Bridgeville, 1955 Print
    1953 Map of Bridgeville, 1955 Print
    1953 Bridgeville
    1955 Print · USGS
    Allegheny and Washington Counties were transitioning from a mining economy to a suburban landscape in the early fifties. Genealogists and historians can trace family roots through the Melrose Cem, identify old industrial sites like Hickman Shafts, or locate the Mayer Airport.

  17. 1953 Map of Glassport, 1955 Print
    1953 Map of Glassport, 1955 Print
    1953 Glassport
    1955 Print · USGS
    The industrial Monongahela Valley and its burgeoning suburbs are detailed here during the mid-fifties. Trace the rail-and-river network through Glassport or find family landmarks like Cochrans Mill, St Peters Ch, and Memorial Cemetery.

  18. 1953 Map of Hackett, 1955 Print
    1953 Map of Hackett, 1955 Print
    1953 Hackett
    1955 Print · USGS
    Washington County coal and gas country is captured here in the mid-fifties as the local economy revolved around mining and the rail. Genealogists and historians can trace the foundations of Bentleyville and find rural landmarks like Munntown Cem and Edwards Chapel.
    6 unique versions available

  19. 1954 Map of Pittsburgh
    1954 Map of Pittsburgh
    1954 Pittsburgh
    1954 Print · USGS
    Western Pennsylvania in the early fifties remains a powerhouse of heavy industry and vital transit corridors. Genealogists and historians can trace the rail-and-river network connecting Pittsburgh, Johnstown, and Altoona via the Pennsylvania RR and the Lincoln Highway.
    2 unique versions available

  20. 1954 Map of Monongahela, 1955 Print
    1954 Map of Monongahela, 1955 Print
    1954 Monongahela
    1955 Print · USGS
    Industrial life along the river valley is captured here in the mid-fifties, showing the deep integration of coal mining and rail transport. Researchers can locate family landmarks from the Black Diamond Mine to the Mentor School and Ohav Sholom Cem.
    4 unique versions available

  21. 1957 Map of Canton, 1971 Print
    1957 Map of Canton, 1971 Print
    1957 Canton
    1971 Print · USGS
    The industrial heartland of eastern Ohio and western Pennsylvania comes alive in this mid-century survey of the Ohio River Valley. Trace the heritage of rail and river commerce through Pittsburgh, the massive steel towns along the Ohio River, and major junctions on the Pennsylvania RR.
    3 unique versions available

  22. 1958 Map of Pittsburgh
    1958 Map of Pittsburgh
    1958 Pittsburgh
    1958 Print · USGS
    Western Pennsylvania in the late fifties shows an industrial heartland defined by the confluence of the Allegheny River and Monongahela River. Researchers can trace the sprawling rail networks of the Pennsylvania RR and find established towns like Butler, Latrobe, and Windber.
    5 unique versions available

  23. 1959 Map of Pittsburgh
    1959 Map of Pittsburgh
    1959 Pittsburgh
    1959 Print · USGS
    Western Pennsylvania in the late fifties is captured here at the height of its industrial era. Genealogists and historians can trace the riverfront growth of Pittsburgh, the rail works at Altoona, and the mountain gaps of Laurel Hill.

  24. 1960 Map of Bridgeville, 1961 Print
    1960 Map of Bridgeville, 1961 Print
    1960 Bridgeville
    1961 Print · USGS
    Allegheny and Washington counties are captured at a peak of suburban growth in the early sixties. Genealogists and local historians can trace the foundations of Castle Shannon and Bridgeville, or locate family sites near St Casimir Cem and Mayview State Hospital.
    6 unique versions available

  25. 1960 Map of Glassport, 1961 Print
    1960 Map of Glassport, 1961 Print
    1960 Glassport
    1961 Print · USGS
    The industrial Monongahela Valley comes alive in this 1960s survey, showing the peak of the rail-and-river economy from Mc Keesport to Elizabeth. Genealogists and historians can trace family sites at Cochrans Mill, Snowden, and the Jefferson Mem Cem.
    4 unique versions available

Showing maps 1-25 of 37

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Frequently asked questions

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