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
Onix	345	354	2022	Very Rare
Oasis	343	347	2022	Very Rare
Omkar	340	344	2008	Very Rare
Oluwademilade	339	342	2014	Very Rare
Olegario	334	408	1981	Very Rare
Osmara	328	334	2004	Very Rare
Omair	322	328	2001	Very Rare
Orien	320	541	1919	Very Rare
Oluwaseyi	318	322	2005	Very Rare
Oletha	317	1,214	1923	Very Rare
Otilio	315	375	1978	Very Rare
Ozan	315	318	2020	Very Rare
Orlan	313	953	1926	Very Rare
Osie	312	2,102	1927	Very Rare
Orestes	309	343	1986	Very Rare
Ollivander	309	311	2022	Very Rare
Owens	306	733	1921	Very Rare
Odyn	305	307	2018	Very Rare
Osmond	304	457	2022	Very Rare
Olina	303	306	2022	Very Rare
Omarian	301	304	2004	Very Rare
Oluwatosin	299	306	1998	Very Rare
Oluwatamilore	295	297	2018	Very Rare
Orvin	294	1,140	1917	Very Rare
Obryan	293	301	1984	Very Rare
Oseias	291	293	2017	Very Rare
Olimpia	290	407	1990	Very Rare
Osiah	290	292	2024	Very Rare
Olyver	290	292	2022	Very Rare
Olson	288	313	2024	Very Rare
Ogechi	281	289	1997	Very Rare
Omeed	281	288	1988	Very Rare
Oni	279	287	2020	Very Rare
Octavis	278	289	1980	Very Rare
Oliwia	278	281	2006	Very Rare
Oronde	276	292	1973	Very Rare
Olivianna	274	276	2019	Very Rare
Oluwatobiloba	271	273	2017	Very Rare
Oaklan	270	272	2024	Very Rare
Orelia	268	981	1920	Very Rare
Obi	268	270	2022	Very Rare
Ondre	266	275	1994	Very Rare
Oberon	264	266	2021	Very Rare
Odaliz	263	269	1996	Very Rare
Orenthal	258	277	1977	Very Rare
Omir	252	254	2021	Very Rare
Onica	248	259	1998	Very Rare
Oluwafemi	248	251	2022	Very Rare
Omara	245	251	2024	Very Rare
Oneisha	243	251	1994	Very Rare