- 9 Waterworks Drive
- 9 Watkins, Herbert, b. 1828
- 2 Watkins, John (Photographer)
- 1 Watson, Frank Rushmore, Architect
- 10 Watson, Lavinia Jane, 1816-1888
- 3 Watson, Richard, 1800-1852
- 1 Waugh, Francis G.
- 1 Waugh, William Petrie, Col.
- 3 Waverly Ice Co. Depot
- 2 Wax figures
- 1 Way, Albert, 1805-1874
- 13 Wayne Avenue
- 10 Wayne, Pennsylvania
- 4 WCAU-AM (Radio station : Philadelphia, Pa.)
- 2 Wealth
- 1 Weand, Hilda
- 14 Weand, Verna
- 12 Weapons
- 7 Weather
- 1 Weatherill's Mill
- 3 Weathervanes
- 1 Weaver, George J. Ropewalk
- 2 Weavers
- 1 Weaver's Tavern
- 1 Weaverville, North Carolina
- 21 Weaving
- 3 Weaving sheds
- 1 Webb, Charles J. Wool Merchants
- 1 Webbing (material)
- 1 Webb's Dock Street Warehouse
- 13 Webster, Benjamin, 1797-1882
- 1 Weccacoe Steam Engine House
- 2 Weddings
- 2 Weeks Photo-Engraving Co.
- 1 Weglein, Richard
- 1 Weightman Mansion
- 5 Weights & measures
- 3 Weikel & Smith Spice Co.
- 1 Weil's Randolph Mills
- 1 Weimer Machine Works