Main Line League was an independent League that was based in Philadelphia, Pa* and in Pennsylania
1915 Ardmore-Autocar, Berwyn, Brandywine*, Bon-Air*, Dun & Co.*, Lee Tire*, Norristown, Wayne
1916 No Teams enter or left the League
1917 No Teams enter or left the League
1918 Ardmore-Autocar. Dun & Co*, Dobson*, Lansdowne, Narberth, Upper Darby-Drexel Hill
1920 Berwyn, Bry Mawr, Havertown-St Denis, Paolo, Wayne