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	Total Births	Peak Year	Rarity
Oressa	6	1890	Very Rare
Otilla	15	1890	Very Rare
Oca	16	1894	Very Rare
Onezia	5	1894	Very Rare
Ocea	22	1918	Very Rare
Orphus	11	1914	Very Rare
Osee	11	1898	Very Rare
Olah	15	1898	Very Rare
Oler	43	1919	Very Rare
Ozelma	18	1903	Very Rare
Ocey	6	1906	Very Rare
Odra	5	1907	Very Rare
Oklahoma	5	1907	Very Rare
Oshie	5	1908	Very Rare
Ollive	12	1909	Very Rare
Ozite	10	1911	Very Rare
Oleita	15	1912	Very Rare
Olas	5	1913	Very Rare
Othor	21	1916	Very Rare
Oleane	6	1913	Very Rare
Orda	15	1913	Very Rare
Orden	7	1914	Very Rare
Orvo	6	1914	Very Rare
Ores	12	1915	Very Rare
Osmo	13	1915	Very Rare
Orace	14	1916	Very Rare
Oder	5	1915	Very Rare
Olva	5	1915	Very Rare
Oram	10	1915	Very Rare
Orus	16	1922	Very Rare
Osgood	18	1918	Very Rare
Ophilia	15	1915	Very Rare
Ovada	12	1915	Very Rare
Oka	16	1915	Very Rare
Okal	6	1915	Very Rare
Orphie	24	1915	Very Rare
Olida	5	1915	Very Rare
Ollye	5	1915	Very Rare
Ovedia	11	1929	Very Rare
Ozena	5	1915	Very Rare
Oldrich	22	1917	Very Rare
Orvalle	16	1916	Very Rare
Ober	15	1916	Very Rare
Obry	5	1916	Very Rare
Olus	11	1920	Very Rare
Orestus	5	1916	Very Rare
Orrel	10	1916	Very Rare
Orrell	10	1916	Very Rare
Oramae	20	1916	Very Rare
Ortrude	6	1916	Very Rare