4 Matsuo-Ehe (Firm)
1 Matte's Slaughterhouse
1 Matthew & Moore Machine Works
14 Matthew, the Apostle, Saint
1 Matthews, C. J.
2 Matthias, Apostle, Saint
2 Mauch Chunk Creek, Pennsylvania
4 Maupay's Nursery
1 Maurice Fischer's Sons
1 Maurice H. Power (Firm)
3 Mauritius
1 Maverick, P. R. (Peter Rushton), 1755-1811
2 Maw & Co.
1 Maxentius, Marcus Aurelius Valerius, Emperor of Rome, d. 312
4 Maxwell, Mrs.
1 Maxwell's Prepared Gypsum Factory
1 Mayaud Bros.
5 Mayer's Art Institution
11 Mayfair, Pennsylvania
1 Mayland Mill Dam
1 Mayland's Mill
24 Mayors
1 Maypole Inn
1 Maypoles
1 Mays Landing, New Jersey
1 Mazzini, Giuseppe, 1805-1872
3 McAdoo, William Gibbs, 1863-1941
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