G. M. Hopkins Company Maps, 1872-1940
This online map collection comprises 47 volumes (1,800+ plates) published by the G.M. Hopkins Company for Pittsburgh that show lot and block numbers, dimensions, street widths, names of property owners, churches, cemeteries, mills, schools, roads, railroads, lakes, ponds, rivers, and streams. These plat maps cover the greater Pittsburgh area through the years 1872 to 1940.
 1872 – Atlas of the cities of Pittsburgh, Allegheny, and the adjoining boroughs City of Pittsburgh, North Side, South Side |
 1876 – Atlas of the cities of Pittsburgh, Allegheny, and the Adjoining Boroughs Greater Pittsburgh area |
 1882 – Atlas of the cities Pittsburgh and Allegheny City of Pittsburgh, North Side, South Side |
 1886 - Atlas of the vicinity of the cities Pittsburgh and Allegheny, Pennsylvania Greater Pittsburgh area |
 1889, Volume 1 – Atlas of the city of Pittsburgh: Wards 1-11. Downtown, Strip District, Hill District |
 1889, Volume 2 – Atlas of the city of Pittsburgh: Wards 12-14. Hill District, Oakland, Polish Hill, Strip District |
 1890, Volume 3 – Atlas of the city of Pittsburgh: Wards 15, 17-19, 21 Lawrenceville, Stanton Heights, Morningside, Garfield, Highland Park, East Liberty, Lincoln-Lemington-Belmar, Larimer, Homewood |
 1890, Volume 4 – Atlas of the city of Pittsburgh: Wards 16, 20, 22-23. Shadyside, Squirrel Hill, Point Breeze, Greenfield, Hazelwood, Glen Hazel |
 1890, Volume 5 – Atlas of the city of Pittsburgh: Wards 24-36 South Side, Mount Washington, Allentown, Duquesne Heights |
 1890, Volume 1 – Real estate plat-book of the city of Allegheny: Wards 1-11 North Shore, Allegheny Center, Chateau, Manchester, Marshall-Shadeland, Brighton Heights, California Kirkbride |
 1890, Volume 2 – Real estate plat-book of the city of Allegheny: Wards 12-14 North Shore, East Allegheny, Troy Hill, Fineview |
 1895 – Real estate plat-book of the eastern vicinity of Pittsburgh Wilkinsburg, Penn Hills, Brushton, Braddock, Rankin, Turtle Creek, East Pittsburgh, Forest Hills, Edgewood, Swissvale, Wilmerding, Pitcairn, North Versailles, Wall, Monroeville |
 1896 – Real estate plat-book of the southern vicinity of Pittsburgh Baldwin, Castle Shannon, Greentree, McKees Rocks, Sheraden, Esplen, Elliot, Beechview, Bon Air, Crafton, Chartiers, Banksville, Beltzhoover, Lower St. Clair, Knoxville, Carrick, Overbrook, Hays, Whitehall |
 1897 – Real estate plat-book of the northern vicinity of Pittsburgh Sewickley, Osborne, Glenfield, Emsworth, Ben Avon, Avalon, Bellevue, West View, Brookville, Spring Garden, Millvale, Etna, Sharpsburg, Aspinwall, Fox Chapel, Verona, Oakmont |
 Bluff, Oakland, Crawford Roberts, Hill District, Greenfield, Hazelwood, Squirrel Hill, Point Breeze, Swisshelm Park |
 1899, Volume 2 – Real estate plat-book of the City of Pittsburgh, East End: Wards 18-21 Shadyside, Bloomfield, Friendship, Lawrenceville, Garfield, Highland Park, East Liberty, Homewood, Lincoln-Lemington-Belmar, Larimer |
 1900, Volume 3 – Real estate plat-book of the City of Pittsburgh : Wards 1-12, 15-17. Downtown, Strip District, Hill District, Polish Hill, Lawrenceville, Bloomfield |
 1903, Volume 3, Supplement – Real estate plat-book of the City of Pittsburgh : Central Pittsburgh. Downtown |
 1901, Volume 4 – Real estate plat-book of the City of Pittsburgh : Wards 24-36. Duquesne Heights, Mount Washington, Beltzhoover, South Side, Allentown |
 1900, Index Map 1 – Real estate plat-book of the south-eastern vicinity of Pittsburgh McKeesport, Homestead, Mifflin, Duquesne, Port Vue, Versailles, Elizabeth, Forward, Dravosburg, Glassport |
 1900, Index Map 2 – Real estate plat-book of the south-eastern vicinity of Pittsburgh McKeesport, Homestead, Mifflin, Duquesne, Port Vue, Versailles, Elizabeth, Forward, Dravosburg, Glassport |
 1901, Volume 1 – Real estate plat-book of the city of Allegheny: Wards 1-8, 12, 13 North Shore, Manchester, Chateau, Allegheny Center, East Allegheny, Troy Hill, California Kirkbride |
 1902, Volume 2 – Real estate plat-book of the city of Allegheny: Wards 9-11, 14 and 15 Fineview, Brighton Heights, Marshall-Shadeland, Summer Hill, Perry North, Northview Heights, Spring Hill, Perry South |
 1903 – Real estate plat-book of the eastern vicinity of Pittsburgh Wilkinsburg, Penn Hills, Brushton, Braddock, Rankin, Turtle Creek, East Pittsburgh, Forest Hills, Edgewood, Swissvale, Wilmerding, Pitcairn, North Versailles, Wall, Monroeville, Trafford, Oakmont, Verona |
 1904, Volume 1 – Real estate plat-book of the city of Pittsburgh : Wards 13, 14, 22, 23 Bluff, Oakland, Crawford Roberts, Hill District, Greenfield, Hazelwood, Squirrel Hill, Point Breeze, Swisshelm Park |
 1904, Volume 2 – Real estate plat-book of the city of Pittsburgh : Wards 18-21, 37 Shadyside, Bloomfield, Friendship, Lawrenceville, Stanton Heights, Morningside, Garfield, Lincoln-Lemington-Belmar, Larimer, Homewood, East Hills |
 1906, Volume 3– Real estate plat-book of the city of Pittsburgh : Wards 6-12 and 15-17 Downtown, Strip District, Hill District, Polish Hill, Lawrenceville, Bloomfield |
 1905 – Real estate plat-book of the southern vicinity of Pittsburgh Baldwin, Castle Shannon, Greentree, McKees Rocks, Sheraden, Esplen, Elliot, Beechview, Bon Air, Crafton, Chartiers, Banksville, Beltzhoover, Lower St. Clair, Knoxville, Carrick, Overbrook, Hays, Whitehall |
 1906 – Real estate plat-book of the northern vicinity of Pittsburgh, Leetsdale, Edgeworth, Sewickley, Osborne, Glenfield, Emsworth, Ben Avon, Avalon, Bellevue, West View, Ross Township, McCandless Township, Kilbuck Township, Aleppo Township, Sewickley Heights, Sharpsburg, Etna, Aspinwall, Millvale, Spring Garden, Glenshaw, Fox Chapel, Blawnox |
 1907, Volume 1 – Real estate plat-book of the city of Allegheny North Shore, Manchester, Chateau, Allegheny Center, East Allegheny, Troy Hill, Washington's Landing |
 1910 – Atlas of Greater Pittsburgh City of Pittsburgh |
 1911, Volume 3 – Real estate plat-book of the city of Pittsburgh : Wards 1-6, 9 Bloomfield, Friendship, Lawrenceville, Stanton Heights, Morningside, Garfield, Highland Park, East Liberty, Lincoln-Lemington-Belmar, Larimer, Homewood, East Hills |
 1911, Volume 4 – Real estate plat-book of the city of Pittsburgh : Wards 7, 14-15 Shadyside, Squirrel Hill, Point Breeze, Regent Square, Swisshelm Park, Greenfield, Glen Hazel, Hazelwood |
 1914, Volume 2 – Real estate plat-book of the city of Pittsburgh : Wards 1-6, 9 Downtown, Bluff, Strip District, Crawford Roberts, Oakland, Terrace Village, Middle Hill, Bedford Dwellings, Upper Hill, Polish Hill, Lawrenceville |
 1915, Volume 8 – Real estate plat-book of the city of Pittsburgh : Eastern Vicinity Wilkinsburg, Penn Hills, Brushton, Braddock, Rankin, Turtle Creek, East Pittsburgh, Forest Hills, Edgewood, Swissvale, Wilmerding, Pitcairn, North Versailles, Wall, Monroeville, Trafford, Oakmont, Verona |
 South Side, Knoxville, Mt. Oliver, St. Clair, Carrick, Brentwood, Dormont, Mt. Lebanon, Arlington, Arlington Heights, Hays |
 South Shore, Beltzhoover, Bon Air, Beechview, Brookline, Overbrook, Banksville, Castle Shannon, Scott Township, Heidleberg, Glendale, Carnegie, Rosslyn Farms, Greentree, Chartiers, Crafton, Ingram, Westwood, Duquesne Heights, McKees Rocks, Coraopolis, Bridgeville |
 1923, Volume 1 – Real estate plat-book of the city of Pittsburgh: Wards 1-6 and 9 Downtown, Bluff, Strip District, Crawford Roberts, Oakland, Terrace Village, Middle Hill, Bedford Dwellings, Upper Hill, Polish Hill, Lawrenceville |
 Shadyside, Squirrel Hill, Point Breeze, Regent Square, Swisshelm Park, Greenfield, Glen Hazel, Hazelwood |
 1924, Volume 3 – Real estate plat-book of the city of Pittsburgh: Wards 8, 10-13 Bloomfield, Friendship, Lawrenceville, Stanton Heights, Morningside, Garfield, Highland Park, East Liberty, Lincoln-Lemington-Belmar, Larimer, Homewood, East Hills |
 East Allegheny, Troy Hill, Spring Garden, Summer Hill, Perry North, Northview Heights, Spring Hill, Perry South, North Shore, Allegheny Center, Manchester West, Fineview, California Kirkbride |
 1925, Volume 5 – Real estate plat-book of the city of Pittsburgh: Wards 21, 27 and Part of 22 and 25 Manchester, Chateau, Brighton Heights, Marshall-Shadeland, North Shore, Allegheny Center, Manchester West, Fineview |
 1929, Volume 10 – Assessment plat-book of the city of Pittsburgh (Central Pittsburgh): Wards 1-3 Downtown, Bluff, Strip District, Crawford Roberts |
 Beechview, Dormont, Brookline, Overbrook, Mt. Lebanon, Castle Shannon, Baldwin Township, Bethel Township, Snowden Township |
 1939, Volume 2 – Real estate plat-book of the city of Pittsburgh: Wards 7, 14, 15 Shadyside, Squirrel Hill, Point Breeze, Regent Square, Swisshelm Park, Greenfield, Glen Hazel, Hazelwood |
 1939, Volume 3 – Real estate plat-book of the city of Pittsburgh – East End (North) : Wards 8, 10-13 Bloomfield, Friendship, Upper Lawrenceville, Stanton Heights, Morningside, Garfield, Highland Park, East Liberty, Lincoln-Lemington-Belmar, Larimer, Homewood, East Hills |
 1940, Volume 11 – Plat-book of the northwestern Vicinity of Pittsburgh Leetsdale, Edgeworth, Sewickley, Osborne, Glenfield, Emsworth, Ben Avon, Avalon, Bellevue, West View, Ross Township, McCandless Township, Kilbuck Township, Aleppo Township, Sewickley Heights |