The league was founded in 1941 by George Roberts, after whom the League is now named and was primarily set up to give soldiers returning from the war recreation.
The first competitive game was not played until 1946 when the league run two divisions.
Over the subsequent years, the league has had as many as 5 divisions running and at its height there was 54 different clubs in the league producing 67 teams (including 1st, Res & 3rd XI).
It run three cup competitions Premier, Intermediate & Junior Cups in those days.
Clubs still in existence today, Greenbury United, who now playing in the Herts County League, and Somersett V&E, who now play at level 4 (parks football is level 7) under the name of Broxbourne Borough in the South Midlands Spartan League.
Two clubs from the league have won the London Junior Cup - St James in the 1950's and Croyland Athletic in the 1980's.