Last Names Starting with O

2,781 surnames found in U.S. Census data starting with O. Sorted by Census rank.

Rank	Name	Est. Bearers	Per 100K	Rarity
#13214	Oyer	2,620	0.78	Rare
#13271	Olmeda	2,620	0.78	Rare
#13326	Oberholtzer	2,620	0.78	Rare
#13330	Osterhout	2,620	0.78	Rare
#13536	Owenby	2,553	0.76	Rare
#13572	Otey	2,553	0.76	Rare
#13690	Oestreich	2,519	0.75	Rare
#13707	Overturf	2,519	0.75	Rare
#13746	Overly	2,519	0.75	Rare
#13786	Oberlander	2,486	0.74	Rare
#13806	Ogren	2,486	0.74	Rare
#13815	Orear	2,486	0.74	Rare
#13850	Oppenheimer	2,486	0.74	Rare
#13922	Osornio	2,486	0.74	Rare
#13938	Ortegon	2,452	0.73	Rare
#13997	Obert	2,452	0.73	Rare
#14050	Ono	2,452	0.73	Rare
#14119	Ostler	2,418	0.72	Rare
#14127	Ofarrell	2,418	0.72	Rare
#14215	Odonoghue	2,418	0.72	Rare
#14238	Overmyer	2,385	0.71	Rare
#14257	Oatman	2,385	0.71	Rare
#14294	Oehler	2,385	0.71	Rare
#14468	Ocana	2,351	0.70	Rare
#14474	Ohanlon	2,351	0.70	Rare
#14474	Omer	2,351	0.70	Rare
#14495	Ortuno	2,351	0.70	Rare
#14532	Oyola	2,351	0.70	Rare
#14579	Okeeffe	2,318	0.69	Rare
#14681	Ownby	2,318	0.69	Rare
#14713	Oubre	2,284	0.68	Rare
#14739	Ohl	2,284	0.68	Rare
#14739	Ollis	2,284	0.68	Rare
#14749	Olden	2,284	0.68	Rare
#14834	Ohagan	2,284	0.68	Rare
#14881	Olesen	2,250	0.67	Rare
#14893	Okada	2,250	0.67	Rare
#14920	Ota	2,250	0.67	Rare
#15005	Ouyang	2,250	0.67	Rare
#15151	Ort	2,217	0.66	Rare
#15194	Okafor	2,217	0.66	Rare
#15255	Olalde	2,183	0.65	Rare
#15328	Onorato	2,183	0.65	Rare
#15328	Ohman	2,183	0.65	Rare
#15340	Obanion	2,183	0.65	Rare
#15363	Orris	2,183	0.65	Rare
#15418	Ocegueda	2,150	0.64	Rare
#15464	Ohm	2,150	0.64	Rare
#15508	Ogawa	2,150	0.64	Rare
#15508	Odowd	2,150	0.64	Rare