The Post was granted permanent status in the Department of Minnesota as Louis McCahill Post #110 on February 7, 1921. There were 15 charter members that formed the association. Original members included: Walter N. Kalkbrenner, John A. Wright, Walter A. Wiebusch, Otto T. Karrow, John E. Lindell, Richard O'Laughlin, Henry C. Breuer (1919-1920, 1923 Commander), Charles Buckminster (1926 Commander), Louis O. Kemp, C.R. Bouton, John C, Schmidt, Arnold F. Thorn, Milton Pearson (1933 Commander), Carl Dresson, & Alouis H. Huettl.