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
#18808	Olivar	1,646	0.49	Rare
#18910	Okeke	1,646	0.49	Rare
#18950	Ottley	1,646	0.49	Rare
#18961	Odeh	1,646	0.49	Rare
#19062	Oldaker	1,612	0.48	Rare
#19075	Odwyer	1,612	0.48	Rare
#19105	Ouk	1,612	0.48	Rare
#19152	Ostlund	1,612	0.48	Rare
#19200	Oregel	1,612	0.48	Rare
#19296	Obi	1,612	0.48	Rare
#19306	Ogata	1,612	0.48	Rare
#19321	Outten	1,579	0.47	Rare
#19348	Ozment	1,579	0.47	Rare
#19456	Oltman	1,579	0.47	Rare
#19469	Orgeron	1,579	0.47	Rare
#19527	Orea	1,579	0.47	Rare
#19538	Osegueda	1,579	0.47	Rare
#19581	Ojo	1,579	0.47	Rare
#19602	Ogan	1,579	0.47	Rare
#19628	Ouzts	1,579	0.47	Rare
#19671	Orenstein	1,545	0.46	Rare
#19671	Overfield	1,545	0.46	Rare
#19703	Osmond	1,545	0.46	Rare
#19814	Officer	1,545	0.46	Rare
#19865	Orrick	1,545	0.46	Rare
#19945	Odonovan	1,545	0.46	Rare
#19997	Ohern	1,512	0.45	Rare
#20037	Ortner	1,512	0.45	Rare
#20076	Otter	1,512	0.45	Rare
#20076	Odegaard	1,512	0.45	Rare
#20125	Outen	1,512	0.45	Rare
#20227	Okoro	1,512	0.45	Rare
#20309	On	1,478	0.44	Rare
#20421	Oflaherty	1,478	0.44	Rare
#20458	Oberst	1,478	0.44	Rare
#20512	Oviatt	1,478	0.44	Rare
#20553	Occhipinti	1,478	0.44	Rare
#20574	Obriant	1,478	0.44	Rare
#20818	Otts	1,444	0.43	Rare
#20926	Odoms	1,444	0.43	Rare
#20926	Orloff	1,444	0.43	Rare
#20985	Okamura	1,444	0.43	Rare
#21019	Olejniczak	1,411	0.42	Rare
#21048	Orf	1,411	0.42	Rare
#21307	Oats	1,411	0.42	Rare
#21330	Opoku	1,411	0.42	Rare
#21360	Otterson	1,411	0.42	Rare
#21413	Onken	1,377	0.41	Rare
#21459	Ouimet	1,377	0.41	Rare
#21553	Ostrow	1,377	0.41	Rare