| Surname | Given | Age | Date | Page | Maiden | Note |
|---|---|---|---|---|---|---|
| Oaf | Clarence J. | 59 | October 11 | B-3 | ||
| Obajtek | Stella | 47 | April 2 | 11 | ||
| Obajtek, Jr. | Leonard M. | 2 | February 27 | C-11 | ||
| Obermiller | William D., Sr. | 62 | January 23 | B-3 | ||
| Obradovich | Eli | 62 | January 31 | 13 | ||
| Obrecht | Ruth | March 25 | 11 | |||
| O'Brien | Davida | 39 | October 18 | B-3 | ||
| O'Brien | Nellie | 78 | September 25 | B-3 | ||
| O'Brobinak | Theresa | 81 | February 25 | 11 | ||
| Obryk | Jean | 37 | April 15 | 7 | ||
| O'Conner | Richard Y. | 56 | March 13 | A-11 | ||
| O'Connor | Nellie | 77 | March 12 | 11 | ||
| O'Donnell | Carolyn | 71 | June 10 | 11 | ||
| O'Donnell | Frank M. | 65 | June 17 | 11 | ||
| O'Hara | Ellen Nell | 64 | August 28 | B-3 | ||
| O'Hara | Helen | 61 | June 16 | B-11 | ||
| Ohlstrom | Julia | 87 | October 7 | 11 | ||
| Okal | Julia | 46 | May 24 | B-3 | ||
| O'Keefe | John | 81 | November 6 | B-3 | ||
| O'Keefe | Peter | February 27 | C-11 | |||
| Okey | Steward | 49 | December 6 | B-3 | ||
| Okun | Agnes Eleanor | 85 | November 11 | 11 | ||
| Olayos | Mary | 61 | April 24 | B-3 | ||
| Olds | Lucinda | 80 | September 10 | 11 | ||
| Olivares | Alvina R. | 87 | July 9 | 11 | ||
| Oliver | Ida Mae | 69 | July 23 | 11 | ||
| Olszowka | Paul | 76 | July 17 | B-3 | ||
| Oltian | Joachim | 67 | May 5 | B-3 | ||
| Ondas | Joseph, Jr. | 43 | November 15 | B-3 | ||
| Ooms | Giel | 70 | December 19 | B-3 | ||
| Ooms | Gilbert | 66 | September 11 | B-3 | ||
| Ooms | John H. | 64 | December 4 | B-3 | ||
| Opperman | Christ | 75 | January 25 | 19 | ||
| Oprinovich | Fira | 73 | October 13 | B-3 | ||
| Oram | Marguerite | 49 | March 6 | B-3 | ||
| Oram | Orval H. | 48 | September 29 | A-15 | ||
| Orban | Steve | 53 | June 7 | B-3 | ||
| Orban | Steve, Jr. | 37 | August 30 | B-3 | ||
| Orth | Emma C. | 78 | October 7 | 11 | ||
| Ortiz | Isabel | 68 | April 14 | A-10 | ||
| Osan | Omar | 70 | August 22 | B-3 | ||
| Osenbaugh | Beatrice Celia | 50 | July 5 | A-8 | ||
| Osteen | John R., Sr. | 62 | May 3 | B-3 | ||
| Ostrowski | Agnes | 89 | July 19 | B-3 | ||
| Otto | John C. | 72 | June 9 June 9 |
B-3 | ||
| Ouwenga | Jacob | 73 | July 2 | 15 | ||
| Owen | Louis | 46 | May 21 | 15 | ||
| Owens | Thomas | 60 | March 26 | 11 | ||
| Owezarzak | Lee J. | 60 | December 29 | A-11 | ||
| Ozon | Thomas | 66 | July 29 | 9 |