Mission League was an independent league that was based in California.
1914 Gilroy, Hollister, Monterey, San Jose, Santa Cruz, Watsonville
1915 Hollister, Monterey, San Jose, Watsonville
1916 Gilroy, Hollister, Salinas, San Jose, San Jose Merchants, Watsonville
1917 Gilroy, Hollister, Salinas, San Jose, San Jose Merchants, Watsonville
1918 Alameda, Fruitvale, Melrose, Newark, San Jose, San Leandro
1919 Not sure if this League played
1920 Gilroy, Hollister, Monterey, Salinas, San Jose, Watsonville
1921 Not sure if this League played
1922 Gilroy, Hollister, King City, San Jose Merchants, Salinas, Soledad
1923 Hollister, Monterey, Salinas, San Jose, Santa Cruz, Watsonville
1924-1933 Not sure if this League played
1934 Gonzales, King City, Monterey, Salinas, Santa Cruz, Watsonville
1935 Gonzales, Hollister, King City, Monterey, Salinas, Santa Cruz, Spreckels, Watsonville
1946 - Goodfellows, Gonzales, Hollister, King City, Monterey, Rodeo Buffet, San Jose, Watsonville
1947 - Gonzales, Hollister, King City, Monterey, Pacific Grove, Salinas, Salinas-Alisal, Watsonville
1948 - Gonzales, Hollister, King City, Monterey, Pacific Grove, Salinas, Salinas-Alisal, Watsonville