- 7 Lyceums (buildings)
- 1 Lycoming Street
- 6 Lydgate, John, 1370?-1451?
- 1 Lynchings
- 1 Lynnewood Hall
- 1 Lynnwood Avenue
- 2 Lyon, France
- 1 Lyon, Matthew, 1749-1822
- 61 Lyres
- 1 Lyric Moving Picture Show
- 1 Lyttelton, Spencer, The Hon., 1818-1881
- 9 Lytton, Edward Bulwer Lytton, Baron, 1803-1873
- 1 M. Chatten & Co.
- 1 M. Gilroy, Dealer in Wines and Liquors &c. (Firm)
- 1 M. Heminway & Sons Silk Co.
- 1 M. Kaufmann (Firm)
- 1 M. Marunaka (Kanazawa Kaga, Japan : Firm)
- 1 M. Mottl Sons
- 1 M. Odnovchevsky & Sons
- 1 M. Platt & Co. (woodworking, finishing)
- 1 M. Sarver (Firm)
- 2 M. Thams & Co.
- 1 M. Wihl & Co.
- 1 M. Zineman & Bro. Glasses & Spectacles (Firm)
- 1 M.D. Williamson (Firm)
- 1 M.E. McDowell & Co.
- 1 M.H. McCan (slaughterhouse, rendering)
- 1 M.J. Ware (Firm)
- 1 M?nasi?ha, King of Amer, 1550-1614
- 1 Maas Card Job Printing (Firm)
- 1 MacArthur, James
- 1 MacArthur, John, b. 1823
- 2 Macau
- 1 Macau Island
- 1 Macaulay, Thomas Babington Macaulay, Baron, 1800-1859
- 1 MacDonald, James Ramsay, 1866-1937
- 2 MacDonald, Katherine, 1881-1956
- 1 Macedonia
- 4 Maces (weapons)
- 2 MacGregor, John, 1825-1892
