League (click link for league history and tables) Dates/data availability
Help needed
Aberystwyth & District League 1924 to present day. Preceded by local leagues
YES
Brecon & District League prior to 1931 to 1999-2000
Cardiganshire League 1921 to present day
Central Wales League 1920 - 1926
Ceridigion League 2006-2008
Mid-Wales (South) League 1962 to present day
YES
Mid-Wales League 1900 to 1920s and 1930 to present day
YES
Montgomeryshire & District League 1904-1921 / mid 1930s - 39 / 1947 to present day
YES
Welsh National League (Central Section) 1920s but to be clarified
Welshpool & District League 1903? to 1914 and 1920s