Surnames > O
Full Surname List Starting with (Alphabetical)
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Top 100 Surnames in the 2010 US Census starting with O
| Surname | Count | Rank | Wiki? |
|---|---|---|---|
| ORTIZ | 286899 | 68 | no |
| OWENS | 182719 | 140 | no |
| OLSON | 164035 | 157 | no |
| ORTEGA | 127256 | 239 | no |
| OBRIEN | 118557 | 258 | yes |
| OLIVER | 115900 | 264 | yes |
| OCHOA | 78677 | 408 | no |
| OCONNOR | 77923 | 417 | no |
| OSBORNE | 66827 | 502 | yes |
| OROZCO | 65904 | 512 | no |
| OWEN | 61630 | 543 | no |
| OLSEN | 59356 | 566 | no |
| ONEILL | 50028 | 689 | no |
| ONEAL | 47979 | 729 | no |
| ORR | 44388 | 774 | yes |
| ODONNELL | 43460 | 795 | no |
| OCONNELL | 36194 | 961 | no |
| ODOM | 35020 | 996 | no |
| OSBORN | 32439 | 1078 | no |
| ODELL | 31349 | 1117 | no |
| OSORIO | 29482 | 1199 | no |
| ONEIL | 28949 | 1220 | no |
| OLVERA | 27551 | 1275 | no |
| ORELLANA | 26651 | 1319 | no |
| OTT | 25738 | 1373 | no |
| OCAMPO | 25720 | 1374 | no |
| OLIVARES | 23982 | 1490 | no |
| ORNELAS | 22969 | 1568 | no |
| OTTO | 22558 | 1587 | no |
| OLEARY | 22329 | 1607 | yes |
| OJEDA | 22045 | 1633 | no |
| OHARA | 21710 | 1660 | no |
| OTERO | 20937 | 1716 | no |
| OLIVAS | 20106 | 1785 | no |
| OLIVA | 19513 | 1835 | no |
| OLIVEIRA | 19055 | 1887 | no |
| OGDEN | 18860 | 1906 | no |
| OVERTON | 18820 | 1914 | yes |
| ORDONEZ | 18498 | 1952 | no |
| OH | 18285 | 1978 | no |
| OMALLEY | 17588 | 2046 | no |
| OAKES | 17499 | 2065 | no |
| OKEEFE | 17414 | 2079 | yes |
| OAKLEY | 17238 | 2099 | yes |
| OROURKE | 16457 | 2213 | no |
| ONTIVEROS | 16382 | 2225 | no |
| OGLE | 14354 | 2524 | no |
| OSWALD | 14322 | 2530 | no |
| OUELLETTE | 13984 | 2583 | no |
| OLDHAM | 12928 | 2792 | no |
| ORLANDO | 12586 | 2865 | no |
| OVERSTREET | 12342 | 2907 | no |
| OGLESBY | 12271 | 2919 | no |
| OATES | 12202 | 2940 | no |
| OREILLY | 12074 | 2970 | no |
| OSULLIVAN | 11818 | 3032 | no |
| OTOOLE | 10842 | 3309 | no |
| OLGUIN | 10660 | 3356 | no |
| OSHEA | 10531 | 3395 | no |
| OLIVO | 10483 | 3412 | no |
| OSMAN | 9908 | 3590 | no |
| OLMOS | 9895 | 3596 | no |
| OLIVAREZ | 9720 | 3660 | no |
| ONG | 9584 | 3704 | no |
| OSTRANDER | 9518 | 3722 | no |
| OCASIO | 9293 | 3815 | no |
| OLIVERA | 9108 | 3896 | no |
| OUTLAW | 8901 | 3991 | no |
| OROSCO | 8313 | 4273 | no |
| ODEN | 8240 | 4315 | no |
| OVIEDO | 8145 | 4362 | no |
| OLMSTEAD | 8021 | 4430 | no |
| ORTA | 7820 | 4535 | no |
| ORDAZ | 7753 | 4578 | no |
| OVALLE | 7698 | 4610 | no |
| OLDS | 7670 | 4627 | no |
| OMAR | 7660 | 4631 | no |
| OSUNA | 7601 | 4666 | no |
| OSBURN | 7549 | 4699 | no |
| OTIS | 7549 | 4699 | no |
| OGRADY | 7306 | 4831 | no |
| OAKS | 7182 | 4903 | no |
| OXENDINE | 7139 | 4930 | no |
| OROPEZA | 7082 | 4965 | no |
| OSTROWSKI | 7005 | 5015 | no |
| ORTON | 6720 | 5201 | no |
| OBRYAN | 6408 | 5433 | no |
| OLIVIER | 6400 | 5438 | yes |
| ORTH | 6345 | 5482 | yes |
| OZUNA | 6327 | 5499 | no |
| OVERBY | 6311 | 5512 | no |
| OSTER | 6259 | 5554 | no |
| OSGOOD | 6186 | 5619 | no |
| OBREGON | 6172 | 5630 | no |
| ORONA | 6145 | 5649 | no |
| OCHS | 5901 | 5853 | no |
| OLIPHANT | 5808 | 5931 | no |
| OLMEDO | 5768 | 5967 | no |
| OLINGER | 5732 | 5998 | no |
| OLIVE | 5712 | 6021 | no |
