During World War I, from 1917 to 1918, Deep River honored those connected with the community who served, including Elmer Ahlstrin, Herman G. Bahr, Kenneth E. Bartman, Albin Berg, Gustaf R. Berg, Philip Berg, Hjalmer Berg, Arthur Berdensey, Michael Bsong, Edward Bowie, Jesse W. Caples, Anthony J. Carini, Carl Carlson, Lawrence Carlson, Harry C. Carstens, Perlee Classen, Carroll E. Conklin, Harry R. Cooper, Andrew J. Dudek, Thomas E. Eagan, Frederick Earle, Henry A. Eckhoff, Ernest M. Edwards, William L. Edwards, Raymond M. Faith, William P. Flanagan, Charles Gardt, Milton Gesner, Leroy W. Gladwin, Victor Gratta, Percy L. Graves, Paul Hagan, Archie B. Harris, Donald W. Harris, Byron M. Hatfield, Richard W. Ibell, Clarence Jacobson, Gustaf C. Johnson, Richard A. Johnson, Harold M. Johnson, Raymond Johnson, Edward Johnson, Luchard Jusdon, Proal Judson Jr., Ambrose A. Kinrade, Frederick E. Kirst, John J. Kurze, Arthur L. Lamb, Eugene Landers, George H. Lebert, Frank Lewis, Charles F. L’Hommedieu, Frank E. L’Hommedieu, James F. Looby, Ernest M. Lund, Philip F. Lund, William A. Malcolm, Otto P. Markman, William J. Marks, John K. L. Marvin, Harry B. L. Marvin, Ellery L. Mather, Martin Meyer, John W. Mook, Jarius A. Moore, Howard A. Morton, Edward E. Norton, Fred A. Norton, William O’connor, Eugene T. O’Leary, Patrick O’Leary, Timothy S. O’Leary, Carl Robert Olsen, Harry Olsen, Reuben A. Olsen, Arthur Ott, John A. O’Shea, Joseph M. O’Shea, William O’Shea, Harry G. Pearsons, Hugo W. Pearsons, Frans L. Petterson, Philip R. Pratt, Samuel W. Rutty, William B. Saunders, Leon C. Schlick, Orville J. Schlick, Raymond E. Shappell, John Shea, Charles F. Sizer, S. Oliver Sizer, George S. Spencer, Bertha Stalsburg, Chas O. Stalsburg, Richard W. Stevens, William B. Stevens, Norman Syme, Henry E. Taber, Paul Trabucchi, Seymour Tracy, Henry Troeger, Charles L. Tyler, Henry Weihe, Nelson West, Abram Wimovsky, Gerald J. Wimovsky, Stuart Wimovsky, William F. Wunschel, Alexander Zebrosky, and Louis R. Ziegra.