Genesee County League was an Independent League that was based in New York.
1926 - Canaserage, Castile, Fillmore, Perry, Restof, Rushford
1927 - Avon, Caledonia, Geneseo, Le Roy, Nunda, Perry, Silver Springs, Warsaw
1928 - Mount Morris enter the league and Silver Springs has left the league
1929 - Attica and Sonyea enter the League and Avon and Warsaw has left the league.
1930 - Batavia, Warsaw and Wayland enter the league and Mount Morris, Nunda and Sonyea have left the league
1931 - Batavia, Caledonia, Geneseo, Fillmore, Livonia, Nunda, Perry, Silver Springs
1932 - Avon, Geneseo, Le Roy, Mumford, Nunda, Perry, Silver Springs, Warsaw
1933 - Attica, Avon, Geneseo, Le Roy, Mumford, Perry, Silver Springs, Warsaw
1934 - CCC Camp 23, Danville, Geneseo, Greigsville, Groveland, Leicester, Mount Morris, Nunda,
1935 - Attica, Batavia, Geneseo, Le Roy, Mumford, Perry, Silver Springs, Warsaw
1936 - Dansville, Gainesville, Geneseo, Greigsville, Leicester, Livona, Mount Morris, Nunda, Perry, Silver Springs,
1946 - Genesee, Java, Nunda, Warsaw (only teams found)
1950 - Alden, Attica, Gainesville, Perry, Sliver Springs, Warsaw
NOTE 1 - BOLD means unknown location.