League (click link for league history and tables) Dates/data availability
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Aberdare Valley Football League 1904 to 1907, 1909, 1923 to present day
Abergavenny & District Junior League 1922 only, so far
Abergavenny & District League 1909 (perhaps earlier) to 1910
Abertillery & District League
Afan Valley 1920 to 1922
Ammanford & District League 1946-1959
Barry & District League 1900 (possibly earlier) for unknown period. 1920 to present??
Bridgend & District League 1911 to 1913. 1929 to 1939. 1952 (possibly earlier) to present day.
Caerau & District 1920. 1928
Caerphilly League 1920 to 1926, possibly later
Caldicot & Wye Valley League 1904 and 1905
Cardiff & District League 1897 to present day
Cardiff Combination 1939 to present day
Carmarthenshire League 1950 (possibly earlier) to date
Dowlais & District League 1923 and 1924
East Gwent League 1913. ???? to present day
East Monmouthshire League
Ebbw Vale League 1935 only ?
Ely Valley League 1920 to 1925
Garw & Llynfi League 1947 > ????
Glamorgan League 1909 to 1926, became Rhymney Valley League
Gwent Central League 1913. ???? to present day
Gwent County League 1980 to present day
Gwent Premier League 1979 to present day. Formed from amalgamation of Gwent Premier League and Monmouthshire Senior League.
Llanelli & District League 1910. Possibly 1923?
Merthyr & District League 1910 to present day but with gaps
Mid-Glamorgan League 1922 only, so far
Monmouth & District League 1906 and 1907. 1921 > ?
Monmouthshire Senior League 1913. 1946? to 1978. Merged with Gwent Premier League to form Gwent County League
Neath & District League 1912 and 1913, 1931 to present day
Newport & District League 1901 to present day
North Gwent League Formerly North Monmouthshire League
North Monmouthshire League 1925? to present day (as North Gwent League)
North Rhondda League 1928 to 1932 possibly later
Pembrokeshire League 1901 to 1913. ? to present day
Pontypridd & District League 1914, then 1920-39. 1946-52 (possibly later)
Port Talbot & District League 1923? to present day
Rhondda & District League 1907, 1920 to present day
Rhondda Fach League 1931 > ?
Rhymney Valley & District League 1904 to 1909, became the Glamorgan League
Rhymney Valley League 1927 to 1939, 1952 (perhaps earlier) to 2000. Merged with Taff, Ely and District League
South Monmouthshire League 1912 and 1913.
South Wales Amateur League 1912. 1922 to 1927? 1946 to present day
South Wales League 1890-1911
YES
South Wales Senior League 1991 to present day
YES
Swansea & District League 1900 or 1901 to present day
Taff Ely and Rhymney Valley Alliance 2000 to present day
Taff, Ely & District League 1989 to 2000. Merged with Rhymney Valley League
Upper Rhondda League 1932-1937, possibly 1939.1947 to 1953 (possibly later)
Usk & District League 1920 > ? Running in 1935-36.
Vale of Glamorgan League 2006-2008
West Carmarthenshire League details not yet available