It continued during World War I and had periods where there were sufficient numbers involved to have West and East sections whose winners would play off for the title.
The league stopped for six seasons during World War II and lost a number of member teams in the late 1940s, but was still running in 1968 and considered sufficiently strong to form one of six 'regions' across Scotland in a re-organisation of Junior football at that time.
[2] The Fife area suffered from an economic decline in the subsequent decades, owing to the collapse of the mining industry which had provided the main source of employment in most towns and villages, with several teams folding and others struggling to continue as small isolated communities became impoverished and residents moved away.
In 2018, a large group of East Junior clubs (including five from the Kingdom) followed the path taken by Kelty Hearts a year earlier and joined the East of Scotland Football League to take part in the Scottish football pyramid.
[3] With Glenrothes making the same switch in 2019, this left eight local clubs in the East Region, including Tayport and Kennoway Star Hearts who never played in the old Fife Junior League.