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
#15152	Olden	2,142	0.62	Rare
#15202	Ohl	2,133	0.62	Rare
#15231	Okada	2,127	0.62	Rare
#15346	Obanion	2,111	0.62	Rare
#15355	Okoro	2,110	0.62	Rare
#15382	Onate	2,105	0.61	Rare
#15602	Ohm	2,068	0.60	Rare
#15607	Olalde	2,066	0.60	Rare
#15694	Ogawa	2,055	0.60	Rare
#15844	Ore	2,030	0.59	Rare
#15897	Orban	2,023	0.59	Rare
#15929	Ostendorf	2,018	0.59	Rare
#15947	Ohman	2,016	0.59	Rare
#15969	Oberry	2,013	0.59	Rare
#16023	Onorato	2,006	0.59	Rare
#16031	Ogara	2,004	0.58	Rare
#16084	Oppenheim	1,996	0.58	Rare
#16112	Ota	1,993	0.58	Rare
#16141	Oda	1,990	0.58	Rare
#16265	Ochsner	1,970	0.57	Rare
#16302	Outland	1,965	0.57	Rare
#16310	Oatman	1,964	0.57	Rare
#16310	Ovando	1,964	0.57	Rare
#16464	Oram	1,943	0.57	Rare
#16464	Orris	1,943	0.57	Rare
#16649	Olah	1,917	0.56	Rare
#16739	Otwell	1,905	0.56	Rare
#16795	Oren	1,897	0.55	Rare
#16822	Ofori	1,894	0.55	Rare
#17017	Olaughlin	1,870	0.55	Rare
#17204	Odegard	1,847	0.54	Rare
#17204	Opp	1,847	0.54	Rare
#17313	Overall	1,831	0.53	Rare
#17509	Orosz	1,808	0.53	Rare
#17524	Odriscoll	1,807	0.53	Rare
#17543	Oberlin	1,805	0.53	Rare
#17543	Ouedraogo	1,805	0.53	Rare
#17564	Overbay	1,803	0.53	Rare
#17611	Ohlson	1,797	0.52	Rare
#17650	Oshields	1,792	0.52	Rare
#17663	Okonkwo	1,791	0.52	Rare
#17676	Osegueda	1,790	0.52	Rare
#17706	Orwig	1,785	0.52	Rare
#17765	Ours	1,779	0.52	Rare
#17792	Odwyer	1,776	0.52	Rare
#17842	Okoye	1,771	0.52	Rare
#17842	Oyer	1,771	0.52	Rare
#17936	Orvis	1,761	0.51	Rare
#18056	Obermeyer	1,746	0.51	Rare
#18133	Orzechowski	1,736	0.51	Rare