International Baseball League was an independent league for two years: 1896 and 1898. It was a Class D league in 1906.
1896[]
Farnham QC, Hull QC, Malone NY, Montreal QC, Plattsburg NY, St Albans VT and St Hyacinthe QC.
1898[]
Bay City Mi, Hamilton ON, London ON, Port Huron MI, Saginaw MI and St Thomas ON.
1906 []
Guelph ON, Hamilton ON, London ON and Niagara Falls NY. During the season the Guelph francise moved to St Thomas, ON.