Lackawanna League was an independent league that was based in New Jersey.
1905 Dover, Morristown-Chatham, Orange, Phillipsburg, Stroudsburg (PA), Summit
1906 Chatham, Dover, Irvington, Morristown, Orange-Clifton, Summit
1907 Elizabeth and Westfield entered the league; Morristown and Orange-Clifton left the league.
1908 Madison and Millburn entered the league; Chatham, Elizabeth, Irvington and Westfield left the league.
1909 to 1913 unknown if played
1914 American, Chatham, Maplewood, Millburn, Newark-Forest Hills, Summit
1915 to 1924 unknown if played
1925 Chatham, Madison, Millburn, New Providence
1926 Chatham, Madison, Millburn, Morristown, New Providence, Springfield, Summit, Union
1927 Chatham, Madison, Morristown, New Providence, Prudential, Summitt
1928 Chatham, Hillside, Madison, Maplewood, Milburn, Springfield Township, Summtit
1929 Chatham, Madison, Maplewood, Milburn, New Providence, Summit
1930 No teams entered or left the league
1931 Morristown and Pompton Lakes entered the league; Maplewood and New Providence left the league.
1932 Caldwell, Chatham, Irving, Madison, Millburn, Summit
1933 Chatham, Madison, Midburn, Morris Plains, Morristown, Summit
1934 Chatham, Madison, Millburn, Morristown, Pompton Lakes, Summit
1935 Chatham, Dover, Madison, Millburn, Morristown, Summit
1936 Dover, Madison, Milburn, Morristown, South Orange, Summit
1937 Dover, Madison, Millburn, Summit
1938 Chatham, Madison, Millburn Summit
1939 Dover, Gladcock, Madison, Maplewood, Morristown, Summit
1940 Dover, Madison, Milburn, Summit
NOTE 1 - Bold means unknown location