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| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| Ossa Calle | 1 | Olazo | 1 | Olivera Estavillo | 1 | Osorio Y Quiñonez, De | 1 | oeren, D' | 2 |
| Ossa Quintero | 1 | Olazo, De | 1 | Outeda | 1 | Ortega, De | 1 | Ortenburg | 1 |
| Ossa Tobon | 1 | Ocllo | 3 | Outeda Wheeler | 4 | Ortiz De Mendieta | 1 | Ostrogoths | 15 |
| Ossa Jaramillo | 1 | Orjales | 1 | Olivera | 3 | Olavarri, De | 2 | Octavius | 1 |
| Ossa Baena | 1 | Oswald Hahn | 1 | Olivera Asplanato | 1 | Ortiz De Arbecos Y Undona | 1 | Ordoqui | 1 |
| Ortiz | 3 | Oswald | 1 | Olivera Ruâiz Dâiaz | 1 | Ortigoza | 1 | Olaso | 1 |
| Ors | 1 | Orgen (Horben) Ibarra | 1 | Oviedo Villafaäna | 1 | oisy, D' | 4 | Oscarbería | 1 |
| Ors Sanchez | 1 | Ochoa Moyano | 1 | Oyarzabal Barragâan | 1 | olargues, D' | 2 | Olivera, De | 1 |
| Oliva, de | 1 | Ochoa | 1 | Olivera Cardozo | 2 | oliergues, D' | 2 | Ortiz De Rozas | 1 |
| Olabe, de | 1 | Ojeda Carrasco | 1 | Olmos De Aguilera | 1 | Omnes | 10 | Ortin | 1 |
| Obregon | 3 | Ojeda, De | 1 | Olivarrieta | 1 | Onier | 2 | Oliveira | 34 |
| Obregon, De | 1 | Ordobas | 1 | Olavarrieta Uribarri | 1 | Orieldis | 1 | Oliveira? | 1 |
| Ochandia, De | 1 | Oggero | 1 | Oviedo | 1 | orjo, D' | 2 | Ortiga | 1 |
| Oribe | 1 | Oggero Rojas | 4 | Oviedo Maciel Y Camejo | 1 | Orlamuenden, De | 6 | Ourique | 2 |
| Oribe, De | 1 | Ordoñez | 8 | Ortiz Valdâes | 1 | orléans, D' | 7 | Osores | 2 |
| Olazarran | 1 | Olivé Fitton | 1 | Ordoänez Y Viana Y Achucarro | 1 | Orru, De | 3 | Outiz | 3 |
| Olazarran, De | 1 | Oggero Donoso | 3 | Ordoänez | 1 | Orséolo | 3 | Ouveque | 1 |
| Oxangoitia | 1 | Oggero Watson | 1 | Ornos (Hornos) | 1 | ortenbourg, D' | 1 | Orões | 1 |
| Oxangoitia, De | 3 | Oscariz Grimau | 1 | Oliva | 1 | ostmark, D' | 3 | Olafsdottir | 1 |
| Oreña | 1 | Olazabal, De | 3 | Ortizcaillava | 1 | ostphalie, D' | 2 | Oliveira Vasconcelos | 7 |
| Oñativia | 1 | Oscariz Y Arce, De | 1 | Ortiz De Zarate | 12 | ostrevant, D' | 3 | Ourigues | 1 |
| Orozco | 10 | Oscariz Arce, De | 1 | Oänaz De Loyola | 2 | ostrogothie, D' | 3 | Ouveques | 1 |
| Osorio | 48 | Orsurza Y Dominguez De Ovelar | 1 | Oello Huaco | 1 | Oven | 2 | Orvaneja | 1 |
| Ozozoaga, De | 2 | Orsurza | 1 | Ocampos De Saavedra | 1 | oviedo, D' | 3 | Ortiz de Estuñiga | 1 |
| Otazu, De | 1 | Oliveras Gispert | 1 | Ortiz De Melgarejo | 1 | Orleans | 5 | Ocampo-Golfin de Sandoval, de | 1 |
| Otazua | 1 | Oliveras Canals | 2 | Oviedo, De | 2 | obotrie, D' | 2 | - | - |
| Orozco, De | 2 | Oliveras | 1 | Ortiz De Vergara | 1 | oehningen, D' | 7 | - | - |
