- 1 Snow, William Parker, 1817-1895
- 1 Snowden, Archibald Loudon, 1837-1912
- 4 Snowplows
- 2 Snowstorms
- 1 snuff
- 4 Snuff
- 27 Snyder Avenue
- 2 Snyder, Charles A., 1867-19??
- 3 Snyder, Hannah
- 1 Snyder, Harris, Bassett & Co. Wholesale Clothing (Firm)
- 1 Snyder, Joseph-slaughterhouse
- 1 Snyder, M.K. Blinds
- 2 Snyder's Spade Factory
- 1 Snyder's Spade Mill
- 26 Soap
- 2 Soap balls (Sculpture)
- 2 Soap bubbles (Sculpture)
- 2 Social aspects
- 1 Social conflict
- 1 Social issues
- 2 Social life
- 5 Social media
- 4 Social services
- 1 Social stratification
- 2 Socialism
- 2 Socialites
- 1 Societa Italiano (Unity Street west of Elizabeth Street)
- 4 Societies' buildings
- 1 Society for the Propagation of the Gospel in Foreign Parts (Great Britain)
- 86 Society Hill
- 1 Society Hill Synagogue
- 2 Society of Sculptors (Florence, Italy).
- 1 Socinus, Faustus, 1539-1604.
- 2 Socrates (Philosopher)
- 20 Soda fountains
- 8 Soda industry
- 1 Sodium carbonate
- 2 Sofas
- 1 Soft drink industry
- 1 Sokolare, Joseph (livery stable)
