Mid-Southern Football Association (SA)

Timeline :
1920 :
Participating clubs included :
 - Black Forest (debut) and
 - Brighton (debut).

1921 :
Participating clubs included :
 - Black Forest and
 - Brighton.

1922 :
Participating clubs included :
 - Black Forest,
 - Brighton and
 - Mitcham (debut).

1923 :
Participating clubs included :
 - Black Forest,
 - Brighton and
 - Mitcham.

1924 :
Participating clubs included :
 - Black Forest,
 - Brighton and
 - Mitcham (final season).

1925-26 :
Participating clubs included :
 - Black Forest,
 - Brighton and
 - Goodwood.

1927 :
Participating clubs included :
 - Black Forest (final season),
 - Brighton,
 - Goodwood,
 - Mortlock Park (debut) and
 - Underdale United (this season only).

1928-29 :
Participating clubs included :
 - Brighton,
 - Goodwood and
 - Mortlock Park.

1930 :
Participating clubs included :
 - Brighton,
 - Goodwood (final season) and
 - Mortlock Park (final season due to merger).
Goodwood were premiers.

1931 - The Mid-Southern FA changed name to the Glenelg DFL.