In 1907 the Suffolk Football Association split, with one affiliating to the Football Association and the other to the Amateur Football Association, with both new organisations running a competition called the Suffolk Senior Cup.
The two reunited in 1914 when the AFA affiliated to the Football Association.
[1] The competition was temporarily halted during World War I before it resumed in 1919, using the trophy that the FA-affiliated organisation had used.
[1] The Suffolk Senior Cup was interrupted again during World War II, resuming in 1945.
In 1956 a new competition, the Suffolk Premier Cup was introduced for clubs in the Eastern Counties League and leagues above, with the Senior Cup becoming a secondary competition for clubs below the Eastern Counties League.