Individuals
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | " | … | None
| Surname | Individuals |
|---|---|
| Oberholtzer | 1 |
| Occhialini | 1 |
| Odgers | 23 |
| Ohrt | 2 |
| Oliva | 4 |
| Olivero | 1 |
| Olivetti | 1 |
| Olivi | 4 |
| Olivieri | 32 |
| Ominetti | 10 |
| Onofri | 1 |
| Onori | 1 |
| Oradei | 1 |
| Orazi | 1 |
| Orci | 3 |
| Orciani | 1 |
| Orciari | 30 |
| Ordonselli | 7 |
| Organetti | 1 |
| Ornello | 1 |
| Orsi | 21 |
| Orsi Avenali | 17 |
| Ortensi | 2 |
| Osgood | 1 |
| Osimanti | 1 |
| Ottavi | 2 |
| Ottaviani | 18 |
| Ottini | 1 |
