Trans-Mississippi Amateur Winners Winners

| Year_ | Winner | Runner_up | Venue | Location_ |
|---|---|---|---|---|
| 1921 | George Von Elm | L.D. Brownfield | Denver Country Club | Denver, Colorado |
| 1920 | Robert McKee | Clarence Wolff | Rock Island Arsenal Golf Club | Rock Island, Illinois |
| 1919 | Nelson Whitney | Richard Bockenkamp | St Louis Country Club | Saint Louis, Missouri |
| 1918 | G.L. Conley | Frank Griggs | Hillcrest Country Club | Kansas City, Missouri |
| 1917 | Sam W. Reynolds | Harry G. Legg | St. Joseph Country Club | St. Joseph, Missouri |
| 1916 | Harry G. Legg | W.J. Hubbell | Interlachen Country Club | Edina, Minnesota |
| 1915 | Alden B. Swift | Harry G. Legg | Memphis Country Club | Memphis, Tennessee |
| 1914 | J.D. Cady | H.A. McLaughlin | Evanston Golf Club | Kansas City, Missouri |
| 1913 | Stuart Stickney | Ralph Rider | Glen Echo Country Club | Saint Louis, Missouri |