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
#12661	Othman	2,671	0.78	Rare
#12757	Ormond	2,649	0.77	Rare
#12784	Orduno	2,639	0.77	Rare
#12872	Orduna	2,620	0.76	Rare
#12884	Obert	2,618	0.76	Rare
#12967	Ortego	2,596	0.76	Rare
#13015	Ohler	2,587	0.75	Rare
#13050	Olmeda	2,577	0.75	Rare
#13115	Okamoto	2,565	0.75	Rare
#13148	Oyola	2,557	0.75	Rare
#13154	Ostler	2,555	0.75	Rare
#13196	Opperman	2,543	0.74	Rare
#13357	Ortegon	2,502	0.73	Rare
#13406	Otey	2,490	0.73	Rare
#13421	Oberle	2,487	0.73	Rare
#13519	Oestreich	2,465	0.72	Rare
#13564	Ocana	2,455	0.72	Rare
#13571	Okeke	2,454	0.72	Rare
#13630	Oberlander	2,440	0.71	Rare
#13648	Odonoghue	2,438	0.71	Rare
#13676	Owenby	2,432	0.71	Rare
#13717	Olander	2,425	0.71	Rare
#13717	Olivero	2,425	0.71	Rare
#13717	Overturf	2,425	0.71	Rare
#13724	Oppenheimer	2,424	0.71	Rare
#13760	Ofarrell	2,414	0.70	Rare
#13760	Osornio	2,414	0.70	Rare
#13787	Ohanlon	2,408	0.70	Rare
#13814	Ortuno	2,402	0.70	Rare
#13956	Overmyer	2,373	0.69	Rare
#14076	Ogren	2,348	0.69	Rare
#14159	Odeh	2,335	0.68	Rare
#14233	Overly	2,322	0.68	Rare
#14322	Ovalles	2,305	0.67	Rare
#14354	Ono	2,299	0.67	Rare
#14538	Ownby	2,260	0.66	Rare
#14555	Ohagan	2,257	0.66	Rare
#14637	Osterhout	2,240	0.65	Rare
#14676	Orear	2,230	0.65	Rare
#14724	Organ	2,220	0.65	Rare
#14724	Oubre	2,220	0.65	Rare
#14732	Opoku	2,219	0.65	Rare
#14799	Oehler	2,206	0.64	Rare
#14966	Ort	2,174	0.63	Rare
#14974	Obi	2,173	0.63	Rare
#14974	Ollis	2,173	0.63	Rare
#14982	Odowd	2,172	0.63	Rare
#15020	Olesen	2,165	0.63	Rare
#15103	Oscar	2,150	0.63	Rare
#15135	Olmo	2,144	0.63	Rare