| Name | Birth Date | Mother's Maiden Name | Number | Box |
| Oberhaus, Rita Marie | 22 Nov. 1918 | Noll | 0436 | B3226 |
| Oberhouse, Linda Elizabeth | 09 Jun. 1911 | Benedict | 0384 | B3224 |
| O'Brien, Genevieve Mildred | 11 Oct. 1910 | Seeley | 0271 | B3223 |
| O'Brien, Randall Keath | 22 Mar. 1918 | Leutzinger | 0430 | B3226 |
| O'Brien, William John | 12 Jun. 1913 | Seeley | 0266 | B3224 |
| Odell, Emma Leona | 17 Oct. 1918 | Smith | 0431 | B3226 |
| Odell, Mildred Marguerite | 13 Jan. 1918 | Hester | 0432 | B3226 |
| Odell, Rosa Irene | 11 Dec. 1915 | Smith | 0252 | B3225 |
| Odell, Wilma Grace | 03 Sep. 1913 | Smith | 0262 | B3224 |
| Oepping, Adeline Heneirella | 15 Feb. 1919 | Dickey | 0076 | B3226 |
| Oepping, Elma Genevieve | 26 Jun. 1918 | Heron | 0433 | B3226 |
| Oepping, Harold Otto | 28 Jul. 1909 | Dickey | 0239 | B3223 |
| Oepping, Nellie Marie | 30 Nov. 1912 | Dickey | 0224 | B3224 |
| Ogle, Janet Marie | 14 Sep. 1914 | Ferree | 0236 | B3225 |
| Ogle, Robert Trueman | 31 Aug. 1918 | Feree | 0434 | B3226 |
| Ohaver, Bernice | 04 Feb. 1911 | Hatten | 0388 | B3224 |
| O'Haver, Flora Ellen | 04 Sep. 1914 | Dunker | 0237 | B3225 |
| Ohl, Anna | 1911 | Larenzen | 0386 | B3224 |
| Ohlsen, Ruth Elaine | 04 Feb. 1920 | Nesper | 0105 | B3227 |
| Olderog, Rodger Juergen | 11 Apr. 1920 | Grimm | 0194 | B3227 |
| Olds, Ardeth Mae | 17 Apr. 1915 | Guthrie | 0255 | B3225 |
| Olsen, Delmer H. | 30 Aug. 1917 | Theoboldt | 0278 | B3226 |
| Olson, Arnold H. | 16 Jul. 1915 | Theoboldt | 0253 | B3225 |
| Olson, Harlan Orris | 19 Feb. 1909 | Fristad | 0241 | B3223 |
| Olson, Marcella Mary | 26 Jul. 1920 | Holliday | 0355 | B3227 |
| O'Melia, Herold | 03 Apr. 1912 | Garard | 0217 | B3224 |
| Omelia, Leonard John | 17 Oct. 1913 | Garard | 0263 | B3224 |
| O'melia, Madelina | 03 Oct. 1915 | Garard | 0254 | B3225 |
| Oostendorp, Charles Benjamin | 17 Jan. 1911 | Mills | 0387 | B3224 |
| Oostendorp, Daryl James | 07 Aug. 1912 | Watkins | 0223 | B3224 |
| Oostendorp, Dorothy Lucile | 26 May 1921 | Watkins | 0210 | B3228 |
| Oostendorp, Helen Catherine | Jan. 1918 | Watkins | 0429 | B3226 |
| Oostendorp, Lemoyne Carl | 09 Nov. 1920 | Collison | 0547 | B3227 |
| Oostendorp, Madelyn Lucille | 02 Oct. 1919 | Metcalf | 0481 | B3227 |
| Oostendorp, Margaret Cathryn | 11 Feb. 1913 | Metcalf | 0265 | B3224 |
| Oostendorp, Marie Ella | 19 Nov. 1918 | Collison | 0437 | B3226 |
| Oostendorp, Marie Ellen | 14 May 1916 | Watkins | 0228 | B3225 |
| Oostendorp, Veral Bernard | 24 Nov. 1912 | Mills | 0222 | B3224 |
| Oostendorp, Wilfred | 25 Dec. 1916 | Collison | 0229 | B3225 |
| Opel, George Adam | 10 May 1912 | Leibrecht | 0218 | B3224 |
| Oppell, Alfred Daniel | 23 Aug. 1919 | Crippen | 0372 | B3227 |
| Oppelt, William Jospeh | 08 Sep. 1910 | Crippen | 0273 | B3223 |
| Ormsby, Arthur | 22 Dec. 1910 | Becker | 0270 | B3223 |
| O'Rouke, John Chester | 07 Nov. 1917 | Platt | 0282 | B3226 |
| Orr, Henry Robert | 01 Sept 1912 | Wagoner | 0221 | B3224 |
| Orr, Kenneth Wayne | 02 May 1919 | Brown | 0223 | B3226 |
| Ortiz, Matilda | 01 Feb. 1920 | Ponce | 0106 | B3227 |
| Orwitz, David | 15 May 1912 | Goldstein | 0220 | B3224 |
| Orwitz, Eva | 06 Aug. 1919 | Goldstein | 0373 | B3227 |
| Orwitz, Simon | 17 Jun. 1917 | Goldstein | 0279 | B3226 |
| Osborn, R. | 21 Sep. 1911 | Wieske | 0385 | B3224 |
| Osborn, Richard D. | 23 Dec. 1918 | Osborn | 0438 | B3226 |
| Ostander, Robert Earl | 29 Jun. 1918 | Becke | 0439 | B3226 |
| Ostendorp, Beatrice Fern | 26 Dec. 1909 | Watkins | 0238 | B3223 |
| Ostendorp, Bernard | 24 Oct. 1916 | Metcalf | 0230 | B3225 |
| Ostendorp, Beulah | 24 Oct. 1916 | Metcalf | 0231 | B3225 |
| Ostendorp, Dorothy | 13 Jun. 1914 | Collins | 0240 | B3225 |
| Ostrander, Geradine Lucile | 22 Sep. 1920 | Becke | 0455 | B3227 |
| Oswald, Harold Edwin | 14 May 1909 | Ricker | 0240 | B3223 |
| Othmer, LaVerne | 02 Oct. 1919 | Schurk | 0482 | B3227 |
| Othmer, Richard Thomas | 04 Mar. 1917 | Cullen | 0280 | B3226 |
| O'Toole, Dorothy Marie | 01 Dec. 1920 | Noll | 0601 | B3227 |
| Overman, Bonita Rae | 24 Mar. 1913 | Metzinger | 0267 | B3224 |
| Overman, Janice Arlene | 27 Jan. 1915 | Overman | 0256 | B3225 |
| Overman, Robert Wayne | 27 Aug. 1917 | Metzinger | 0281 | B3226 |
| Overson, Lysle Andrew | 27 Oct. 1912 | Patterson | 0219 | B3224 |
| Overson, Manda | 03 Sep. 1910 | Ericksen | 0272 | B3223 |
| Ovesen, Herbert William | 10 Jul. 1913 | Hansen | 0264 | B3224 |
| Ovesen, William | 01 May 1914 | Erickson | 0238 | B3225 |
| Owen, Amos Arthur | 13 Aug. 1909 | Bates | 0237 | B3223 |
| Owen, Leonard D. | 14 Nov. 1914 | Long | 0239 | B3225 |
| Owens, Floyd Erdman | 30 May 1918 | Erdman | 0440 | B3226 |
| Owens, Lloyd Thomas | 30 May 1918 | Erdman | 0441 | B3226 |
| Oyler, Pearl Fay | 21 Sep. 1912 | Jenkinson | 0225 | B3224 |
