| Last Name | First Name | M.I. | Rank | Service/Serial # | Branch | War/Conflict | Cemetery/Memorial | Entered From | Unit |
|---|---|---|---|---|---|---|---|---|---|
| O'Brien | John | Mexico City National Cemetery | |||||||
| Oca | Ana | C. | Mexico City National Cemetery | ||||||
| Olcott | Frederick | Mexico City National Cemetery | |||||||
| Ord | Eliza | G. | Mexico City National Cemetery | ||||||
| Ormond | Manuel | Mexico City National Cemetery | |||||||
| Osgood | William | P. | Mexico City National Cemetery | ||||||
| Ousey | William | H. | Mexico City National Cemetery | ||||||
| Page | Wood | N. | Mexico City National Cemetery | ||||||
| Pagliari | Luis | Mexico City National Cemetery | |||||||
| Parker | John | J. | Mexico City National Cemetery |