| Surname | Given | Age | Date | Page | Maiden | Note |
|---|---|---|---|---|---|---|
| Oakley | Cyril O. | 65 | October 3 | A-14 | ||
| Oaks | Kelvin Jay | 16 | March 25 | 1, A-28 | Picture of incident included. | |
| Obajtek | Helen A. | 57 | January 24 | A-22 | Jaworski | |
| Oberlander | Adolph | 82 | June 19 | A-20 | ||
| O'Block | Helen | 53 | October 9 | A-6 | Burns | |
| Obremski | Josephine C. | 61 | September 2 | A-8 | ||
| Obremski | Waclaw J. | 78 | February 18 | A-58 | ||
| O'Brien | Sadie | 81 | July 3 | A-18 | ||
| O'Brien | Thomas J. Sr. | 64 | December 17 | A-16 | ||
| O'Brien | William J. | 82 | August 8 | A-53 | ||
| O'Connor | Daniel F. | 63 | July 11 | A-10 | ||
| O'Connor | James D. | 78 | July 12 | A-22 | ||
| O'Day | Florence D. | 78 | December 6 | A-33 | ||
| Odom | Curtis | 21 | April 23 | A-6 | ||
| O'Donnell | Charles F. | 60 | May 18 | A-37 | ||
| O'Donnell | Helen Agnes | 77 | April 29 | A-22 | ||
| O'Drobinak | Anthony M. | 65 | October 22 | A-16 | ||
| O'Drobinak | Ethel A. | 47 | January 2 | A-16 | Kozak | |
| Odzinski | Ronald F. | 34 | September 4 | A-14 | ||
| Oestmann | Helen | 51 | August 6 | 1 | ||
| Oestmann | Walter | 48 | August 6 | 1 | ||
| Oexman | Hulda E. | 73 | June 18 | A-14 | ||
| Ogden | Otto | 84 | January 2 | A-16 | ||
| Ogren | Frank A. | 81 | June 20 | A-22 | ||
| Ogrin | Christina | 51 | March 16 | A-6 | Kelly | |
| Olds | Percy | 57 | March 15 | A-20 | ||
| Olenus | Charles | 78 | January 18 | A-28 | ||
| Olmos | Maura | 73 | August 3 | A-11 | ||
| Olsen | Florence M. | 78 | August 9 | A-30 | ||
| Olsen | Robert (Pinky) | 47 | August 17 | A-18 | ||
| Olson | John | 74 | March 7 | A-20 | ||
| Olszewski | Salomeja | 83 | August 28 | A-18 | ||
| Olthoss | Albert | 83 | April 23 | 1 | ||
| Ondas | Frank J. | 47 | August 28 | A-18 | ||
| O'Neill | Mary Guy | 69 | December 27 | A-15 | ||
| Ooms | Cornelius | 73 | February 1 | A-40 | ||
| Ooms | John A. | 52 | October 4 | A-8 | ||
| Opasik | Fern A. | 62 | February 9 | A-8 | Also listed as O'Pasik. | |
| Opocensky | Ernest | 66 | August 6 | A-19 | ||
| Opperud | Gunda P. | 89 | December 27 | A-14 | ||
| Ordean | Sam S. | 63 | April 5 | A-20 | Picture included. | |
| Orelup | Bernard C. Sr. | 58 | September 26 | A-38 | ||
| Orlich | Domenic | 82 | August 10 | A-10 | ||
| O'Rourke | Dorothy (Dora) | 79 | January 30 | A-12 | ||
| Ortegon | Oralia | 46 | April 16 | A-30 | ||
| Ortiz | Alex L. | 49 | October 14 | A-41 | ||
| Ortiz | Bernardino | 77 | July 8 | A-36 | ||
| Orzel | Stella F. | 65 | November 11 | A-22 | ||
| Osborn | Martha G. | 78 | November 18 | A-28 | ||
| Osborn | Russell W. | 54 | September 24 | A-9 | ||
| Osey | John | 71 | August 30 | A-14 | ||
| Osmanovich | John | 75 | February 7 | A-22 | ||
| Ostaszewski | Mary | 78 | August 24 | A-10 | ||
| Overman | Paul N. | 63 | June 14 | A-10 | ||
| Overmeyer | Grace E. | 86 | March 12 | A-22 | ||
| Overmeyer | Robert | 47 | February 23 | A-30 | ||
| Owczarzak | Stanley J. | 76 | December 7 | A-18 | ||
| Owens | C. Ivan | 69 | May 22 | A-6 | ||
| Owens | John | 24 | June 13 | 1 |