Northern New York League was an independent league in 1900 to 1901, 1903-1907, 1935 and 1951 and a Class D in 1902.
1900 Gouvernuer NY, Malone NY, Ogdensburg NY, Potsdam NY
1901 Canton NY and Plattsburgh NY entered the league and Gouvernuer NY left the league
1902 St Albans Vt entered the league: Canton and Ogdensburg left the league.
1903 Burlington VT and Montreal QC entered the league; Potsdam left the league.
1904 See Northern Independent League.
1905 Barrie VT, Burlington VT, Plattsburgh, NY, Rutland VT
1935 Booneville NY, Croghan NY, Forestport NY, Lowville NY, Lyonsville, NY, Port Leyden NY
1951 Chateauguay NY, Gabriels NY , Lake Placid NY, Malone NY, Plattsburg NY, Postdam NY, Tupper Lake, NY