Hertfordshire Senior County League was created in 1898.
Staffordshire County Senior League was created in 2005.
BFA Senior League was created in 1990.
Leicestershire Senior League was created in 1896.
South Wales Senior League was created in 1991.
Carillon Senior Hockey League was created in 2003.
National Senior Classical League was created in 1960.
Essex Senior Football League was created in 1971.
Gloucestershire Northern Senior League was created in 1922.
Mercer County Senior High School was created in 2006.
Newfoundland Senior Hockey League was created on 2011-09-10.
Ulster Senior League - association football - was created in 1986.
Avalon East Senior Hockey League was created in 1991.