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Old Maps of Treharris, Merthyr Tydfil for Genealogy

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

Treharris, Merthyr Tydfil maps

(15)
  1. 1868 Map of Glamorgan XIX, 1884 Print
    1868 Map of Glamorgan XIX, 1884 Print
    1868 Glamorgan XIX
    1884 Print · Ordnance Survey
    Covers Treharris, including Mountain Ash, Abercynon, and other nearby areas
  4. 1898 Map of Glamorgan XIX.NE, 1901 Print
    1898 Map of Glamorgan XIX.NE, 1901 Print
    1898 Glamorgan XIX.NE
    1901 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  7. 1898 Map of Glamorgan XIX.SE, 1901 Print
    1898 Map of Glamorgan XIX.SE, 1901 Print
    1898 Glamorgan XIX.SE
    1901 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  10. 1898 Map of Glamorgan XIX.SW, 1901 Print
    1898 Map of Glamorgan XIX.SW, 1901 Print
    1898 Glamorgan XIX.SW
    1901 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  13. 1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Glamorgan XIX.SW
    1921 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  16. 1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Glamorgan XIX.NW
    1921 Print · Ordnance Survey
    Covers Treharris, including Mountain Ash, Fernhill, and other nearby areas
  19. 1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Glamorgan XIX.NE
    1921 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  22. 1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Glamorgan XIX.SE
    1921 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  25. 1914 Map of Glamorgan XIX, 1922 Print
    1914 Map of Glamorgan XIX, 1922 Print
    1914 Glamorgan XIX
    1922 Print · Ordnance Survey
    Covers Treharris, including Mountain Ash, Abercynon, and other nearby areas
  28. 1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Glamorgan XIX.SW
    1947 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  31. 1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Glamorgan XIX.NE
    1947 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  34. 1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Glamorgan XIX.SE
    1947 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  37. 1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Glamorgan XIX.NE
    1951 Print · Ordnance Survey
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  40. 1948 Map of Glamorgan XIX.SW, 1953 Print
    1948 Map of Glamorgan XIX.SW, 1953 Print
    1948 Glamorgan XIX.SW
    1953 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  43. 1948 Map of Glamorgan XIX.SE, 1953 Print
    1948 Map of Glamorgan XIX.SE, 1953 Print
    1948 Glamorgan XIX.SE
    1953 Print · Ordnance Survey
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
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