[1] Despite this absolute single-party dominance, non-partisan tendencies remained strong among wealthy sugar planters in Acadiana and within the business elite of New Orleans.

Conflicts with President Wilson's Underwoood-Simmons Act[4] allowed a Progressive Party member in Whitmell P. Martin[a] to be elected to the Third Congressional District in 1914, and in 1920 the racially less hardline[5] Acadiana parishes turned to Republican candidate Warren G. Harding[6] over disagreements on foreign policy and the Nineteenth Amendment.

[7] Continued opposition to the Choctaws would elect the reformer John M. Parker, originally part of Theodore Roosevelt's Bull Moose Party, as governor at the beginning of 1920.

[9] With the easing of foreign-policy tensions and conflicts over women's suffrage, the revolt from the previous two elections in Acadiana weakened, although Coolidge still ran much better than he did in the racially hardline north and Florida Parishes.

Louisiana was the only state where Progressive nominee Robert M. La Follette of Wisconsin was not on the ballot, although it is known that there were write-in votes cast for him.