| Surname | Initials | Rank | Army No. | ||
|---|---|---|---|---|---|
| O'Gara | P J | Private | 2584144 | ||
| O'Gorman | C | Lance Corporal | P/10770 | ||
| O'Gorman | J J | Lance Corporal | P/5934 | ||
| O'Grady | E | Private | 4080688 | ||
| O'Grady | A | Lance Corporal | 6285140 | ||
| O'Grady | P A | Warrant Officer II | 25183881 | ||
| O'Hagan | R A | Private | .1931 | ||
| O'Hagan | S | Lance Corporal | P/15851 | ||
| O'Hagan | M | Lance Corporal | 5884078 | ||
| O'Halleron | L J | Lieutenant | 540192 |