[3] Luncarty withdrew after three games of the 1898–99 season[4] and was replaced the following year by Bridge of Earn.

[5] The League struggled for membership in the 1920s, inviting the St Johnstone reserve side, and also casting its net into Angus, as the new Arbroath Athletic club needed to play in a league competition.

[6] However its one-season - 1923–24 - caused problems as the increased travel expenses meant that the Athletic only played five matches out of a possible 16, winning them all; the title, originally withheld, was eventually awarded to Dunkeld & Birnam,[7] who had a negative goal difference after 7 wins and 4 defeats - one of the latter being 7–3 to Athletic.

[8] The competition eventually came to a halt after the 1956–57 season, the final championship going to Breadalbane.

The 1941–42, 1942-43 and 1945–46 Perthshire League competitions were competed for by a mixture of junior, amateur, and service XIs, the first and latter editions being won by Army teams - Black Watch and the 8th ITCC C Company.