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
#24261	Ogles	1,234	0.36	Rare
#24318	Olberding	1,230	0.36	Rare
#24443	Oja	1,224	0.36	Rare
#24465	Osinski	1,222	0.36	Rare
#24617	Olan	1,213	0.35	Rare
#24639	Onstott	1,212	0.35	Rare
#24658	Oser	1,211	0.35	Rare
#24678	Ory	1,210	0.35	Rare
#24678	Osbourn	1,210	0.35	Rare
#24761	Oommen	1,205	0.35	Rare
#24781	Ooten	1,204	0.35	Rare
#24826	Oza	1,202	0.35	Rare
#24966	Ottaviano	1,194	0.35	Rare
#24986	Ouimette	1,193	0.35	Rare
#24998	Overland	1,191	0.35	Rare
#25020	Oriley	1,190	0.35	Rare
#25086	Ollison	1,187	0.35	Rare
#25173	Ormiston	1,182	0.34	Rare
#25192	Osler	1,181	0.34	Rare
#25212	Oum	1,180	0.34	Rare
#25244	Orlandi	1,178	0.34	Rare
#25327	Oien	1,173	0.34	Rare
#25376	Obeso	1,171	0.34	Rare
#25507	Oiler	1,164	0.34	Rare
#25516	Osterhoudt	1,163	0.34	Rare
#25680	Ostermann	1,154	0.34	Rare
#25745	Over	1,150	0.34	Rare
#26092	Oelke	1,132	0.33	Rare
#26112	Ortis	1,131	0.33	Rare
#26135	Ord	1,130	0.33	Rare
#26162	Oni	1,128	0.33	Rare
#26440	Ortizlopez	1,115	0.33	Rare
#26563	Oldroyd	1,109	0.32	Rare
#26580	Openshaw	1,108	0.32	Rare
#26600	Olenick	1,107	0.32	Rare
#26628	Orsak	1,105	0.32	Rare
#26649	Oxner	1,104	0.32	Rare
#26763	Opie	1,100	0.32	Rare
#26789	Olaya	1,099	0.32	Rare
#26789	Ortmann	1,099	0.32	Rare
#26900	Ogbonna	1,093	0.32	Rare
#26940	Odette	1,091	0.32	Rare
#26940	Ortizrodriguez	1,091	0.32	Rare
#26962	Ojha	1,089	0.32	Rare
#27055	Opsahl	1,085	0.32	Rare
#27155	Okun	1,080	0.32	Rare
#27218	Orellano	1,077	0.31	Rare
#27480	Otteson	1,065	0.31	Rare
#27480	Ouellet	1,065	0.31	Rare
#27513	Onuoha	1,064	0.31	Rare