26 McArthur, John Jr. (1823-1890), Architect 1 McBride, Francis Scott, 1872-1955 1 McCaffrey & Bro. 1 McCaffrey's Pennsylvania File Works 13 McCahan Sugar Refinery 1 McCallinott's Woolen Factory 3 McCallum Street 2 McCallum's Carpet Factory 1 McCallum's Cotton Factory 1 McCambridge Co. Plumbing Fixtures. 1 McCartersville 1 McCarty's Fulling Mill 1 McCauley Dyeing Co 1 McCay, J. Steam Box Factory 2 McClain, P.A. & Co. (hay, wagon shed, stable) 8 McClellan, George B. (George Brinton), 1865-1940 1 McCord House 2 McCullough American Galvanizing Works 1 McCullough Iron Co. 1 McDonough's theatre 1 McDowell, James, 1795 - 1851 2 McFerran, Armstrong & Co. 1 McGillicuddy, Cornelius (Connie Mack), 1862–1956 1 McIan, Robert Ronald, d. 1856 2 McIlvain, F.M. Iron Foundry 2 McIlvaine's Lumber Yard 1 McKay Sewing Machine Association 4 McKean Street 1 McKean, W. V. (William Vincent), 1820-1902 2 McKeesport, Pennsylvania 1 McKell's Mills 1 McKenzie Flower Garden 3 McKeone, Van Haagen & Co. 1 McKim, Mead & White, Architects 1 McKinley, Horn & Clement Co. Ltd. Notions (Firm) 1 McKinley, W.S, Drug Mill 1 McLanahan & Bencker, architects 1 McLean, Wilmer, 1814-1882 2 McMahon, Charles (stable, wagon shed) 2 McMichael, Morton, 1807-1879
