Last Names Starting with O

2,684 surnames found in U.S. Census data starting with O. Sorted by Census rank.

Rank	Name	Est. Bearers	Per 100K	Rarity
#27535	Oyama	1,063	0.31	Rare
#27561	Olivencia	1,062	0.31	Rare
#27561	Ostby	1,062	0.31	Rare
#27616	Okazaki	1,060	0.31	Rare
#27730	Om	1,055	0.31	Rare
#27910	Ostertag	1,046	0.31	Rare
#27948	Otieno	1,044	0.30	Rare
#27975	Ohlinger	1,042	0.30	Rare
#28113	Oslund	1,037	0.30	Rare
#28233	Oder	1,032	0.30	Rare
#28501	Odem	1,021	0.30	Rare
#28554	Ortizgarcia	1,018	0.30	Rare
#28704	Ohrt	1,011	0.30	Rare
#28830	Ovitt	1,007	0.29	Rare
#28854	Opel	1,006	0.29	Rare
#28876	Obermeier	1,005	0.29	Rare
#28895	Odoherty	1,003	0.29	Rare
#28895	Opfer	1,003	0.29	Rare
#28926	Ornellas	1,002	0.29	Rare
#29014	Orgill	999	0.29	Very Rare
#29014	Overson	999	0.29	Very Rare
#29042	Olivos	998	0.29	Very Rare
#29082	Oetting	995	0.29	Very Rare
#29248	Ostroff	988	0.29	Very Rare
#29333	Obispo	985	0.29	Very Rare
#29363	Oesterle	984	0.29	Very Rare
#29416	Omerovic	982	0.29	Very Rare
#29447	Ormsbee	980	0.29	Very Rare
#29477	Orsborn	979	0.29	Very Rare
#29547	Osorno	976	0.28	Very Rare
#29580	Ortizhernandez	975	0.28	Very Rare
#29580	Orum	975	0.28	Very Rare
#29616	Oquin	974	0.28	Very Rare
#29616	Orejel	974	0.28	Very Rare
#29648	Odden	972	0.28	Very Rare
#29704	Olano	970	0.28	Very Rare
#29704	Owolabi	970	0.28	Very Rare
#29734	Oppelt	969	0.28	Very Rare
#29943	Osmun	961	0.28	Very Rare
#30002	Ohaver	959	0.28	Very Rare
#30091	Oka	955	0.28	Very Rare
#30157	Oduro	953	0.28	Very Rare
#30199	Oberoi	952	0.28	Very Rare
#30247	Onley	949	0.28	Very Rare
#30432	Orick	943	0.28	Very Rare
#30530	Osmer	939	0.27	Very Rare
#30578	Ouattara	937	0.27	Very Rare
#30610	Ortizmartinez	936	0.27	Very Rare
#30686	Otting	932	0.27	Very Rare
#30718	Ocheltree	931	0.27	Very Rare