- Arthur, Charles (1869-1873)
- Brock, John A. (1875)
- Brock & Brown (c1876)
- Brown, E. (1876)
- Brown, J.H. (1877-1878)
- Budge, E.
- Byers, H.G. (1908-1920)
- Byers, Jessie (1906)
- Callender, F.G.
- Clarke
- Clarke, F.A. (1901-1906)
- Clarke, F.A., & Co. (1903-1904)
- Craig, R.W.F. (1882)
- Evans, Thomas B. Evans, at W.E. Irwin's (1880)
- Ewing (c1866)
- Francis, E.G. (1898)
- Hamly, Edward T. (1882-1917)
- Henry, E.E. (1857-1865)
- Hovey, Henry (1856)
- Irwin, William (1877-1881)
- Kilner, C.L. (1887-1888)
- Kimmerly, F.
- Lewes, Charles (1886)
- MacGuire, J.C.
- Milne, R.
- Mundy, John H. (1880-1886)
- Naylor, William (1886)
- Neal, Elisha B. (1890-1901)
- Nobel, Charles (1887)
- Norris, Frank (1887-1888)
- Perkin, William R. (1874)
- Perkins, H.W. (1906-1907)
- Petch & Raymond (c1855)
- Richmond, John L. (1881)
- Smith, Robert (1869-1870)
- Steen, J.T. (1914-1915) - also fancy goods and billiards
- Stokes, W.E. (1906-1909)
- Summers, Richard (1864-1870)
- Thomas, J.B. (1862)
- Trott, W.H. (1920s-1940s)
- Van Natter
- Waldon, J.T., at Wm. Irwin's (1880)
- Wells, J.S. (1880)
- Yearsley, O.F.B.
Sources
Phillips, Glen C. The Ontario Photographers List (1851-1900), Vol. I, Global Heritage Press Inc., 2002.
Phillips, Glen C. The Ontario Photographers List (1901-1925), Vol. II, Global Heritage Press Inc., 2002.
Port Hope Newspapers - The Watchman, The Evening Guide, The Advertiser
Port Hope Archives photograph collection
Peter and Barbara Bolton - Port Hope, Ontario
www.alivingpast.ca