First Names Starting with O

There are 1,388 first names starting with O in the SSA database, covering every registered U.S. birth from 1880 to 2024. Click any name to see a full profile with popularity charts, gender data, decade breakdowns, and state distribution.

Rarity

Gender

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1,388 names starting with O

Name	Est. Living	Total Births	Peak Year	Rarity
Ociel	475	482	2008	Very Rare
Omarr	468	488	1980	Very Rare
Obrian	468	482	1987	Very Rare
Olevia	466	1,945	1921	Very Rare
Oceanna	461	469	2006	Very Rare
Orren	460	918	1923	Very Rare
Oswin	459	468	2018	Very Rare
Ohana	458	461	2023	Very Rare
Omero	456	474	1990	Very Rare
Opie	450	777	2022	Very Rare
Octaviano	450	689	1949	Very Rare
Oleg	449	457	2019	Very Rare
Oluwadamilola	449	454	2014	Very Rare
Ozella	445	2,331	1921	Very Rare
Ostin	437	441	2023	Very Rare
Othello	434	795	1919	Very Rare
Oshay	430	439	1992	Very Rare
Olsen	427	430	2024	Very Rare
Olliver	424	455	2015	Very Rare
Ozie	423	2,168	1924	Very Rare
Oreoluwa	421	425	2016	Very Rare
Okey	420	1,462	1925	Very Rare
Onesimo	414	594	1982	Very Rare
Orvil	413	1,935	1921	Very Rare
Olivya	413	417	2012	Very Rare
Omni	411	418	2021	Very Rare
Onita	408	1,162	1925	Very Rare
Oluwaseun	406	413	2007	Very Rare
Onnie	404	1,736	1915	Very Rare
Olvin	403	453	2019	Very Rare
Oracio	403	423	1978	Very Rare
Onalee	402	999	1928	Very Rare
Oriah	398	402	2023	Very Rare
Oliviana	397	400	2021	Very Rare
Oriel	396	429	2024	Very Rare
Owais	389	393	2023	Very Rare
Oluwanifemi	389	392	2016	Very Rare
Osias	388	391	2016	Very Rare
Olinda	382	1,066	1954	Very Rare
Orhan	382	385	2022	Very Rare
Oseas	380	384	2024	Very Rare
Omaira	377	406	1970	Very Rare
Olufemi	372	383	1983	Very Rare
Oretha	368	1,158	1926	Very Rare
Orry	366	377	1986	Very Rare
Osualdo	364	387	1993	Very Rare
Ottilie	363	1,035	2024	Very Rare
Ogden	359	801	1917	Very Rare
Ousman	347	351	2016	Very Rare
Osha	345	364	1993	Very Rare