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.
1,388 names starting with O
| Name | Est. Living | Total Births | Peak Year | Rarity |
|---|---|---|---|---|
| Olivia | 524,918 | 554,445 | 2014 | Very Common |
| Owen | 218,199 | 239,054 | 2016 | Common |
| Oliver | 217,861 | 255,607 | 2024 | Common |
| Oscar | 143,368 | 212,533 | 2006 | Common |
| Omar | 100,245 | 105,556 | 2007 | Common |
| Orlando | 42,335 | 49,419 | 1987 | Uncommon |
| Otis | 28,170 | 61,540 | 1920 | Uncommon |
| Olive | 23,127 | 65,699 | 2022 | Uncommon |
| Oakley | 22,671 | 24,104 | 2023 | Uncommon |
| Orion | 21,644 | 22,710 | 2018 | Uncommon |
| Olga | 20,915 | 62,015 | 1918 | Uncommon |
| Octavia | 18,787 | 23,120 | 2021 | Uncommon |
| Otto | 16,830 | 38,769 | 2024 | Uncommon |
| Osvaldo | 13,949 | 14,406 | 2004 | Uncommon |
| Ophelia | 13,208 | 24,590 | 2024 | Uncommon |
| Ollie | 13,149 | 58,974 | 1919 | Uncommon |
| Omari | 12,967 | 13,148 | 2018 | Uncommon |
| Opal | 12,490 | 73,512 | 1918 | Uncommon |
| Odin | 12,382 | 12,669 | 2022 | Uncommon |
| Octavio | 10,358 | 11,299 | 2003 | Uncommon |
| Oaklynn | 9,811 | 9,869 | 2024 | Rare |
| Ora | 7,681 | 44,852 | 1919 | Rare |
| Orville | 7,678 | 35,206 | 1920 | Rare |
| Onyx | 7,518 | 7,581 | 2023 | Rare |
| Ocean | 7,430 | 7,504 | 2022 | Rare |
| Odell | 6,487 | 19,011 | 1922 | Rare |
| Oaklee | 5,908 | 5,947 | 2022 | Rare |
| Odessa | 5,827 | 18,526 | 1920 | Rare |
| Oswaldo | 5,601 | 5,861 | 2006 | Rare |
| Oren | 5,459 | 9,371 | 2021 | Rare |
| Ofelia | 5,432 | 8,910 | 1929 | Rare |
| Oaklyn | 4,887 | 4,917 | 2018 | Rare |
| Olin | 4,658 | 9,847 | 1921 | Rare |
| Ola | 4,517 | 30,261 | 1920 | Rare |
| Osiris | 4,202 | 4,259 | 2023 | Rare |
| Omarion | 3,915 | 3,959 | 2005 | Rare |
| Ozzy | 3,876 | 3,911 | 2023 | Rare |
| Oakleigh | 3,688 | 3,711 | 2022 | Rare |
| Oriana | 3,681 | 3,769 | 2003 | Rare |
| Osman | 3,644 | 3,711 | 2022 | Rare |
| Omer | 3,635 | 8,851 | 1918 | Rare |
| Obed | 3,625 | 4,063 | 2005 | Rare |
| Orin | 3,530 | 6,214 | 1920 | Rare |
| Oralia | 3,489 | 5,750 | 1952 | Rare |
| Octavius | 3,469 | 3,629 | 1991 | Rare |
| Orrin | 3,405 | 5,922 | 1915 | Rare |
| Odalys | 3,305 | 3,385 | 1996 | Rare |
| Oskar | 3,100 | 3,148 | 2016 | Rare |
| Osbaldo | 2,975 | 3,078 | 2002 | Rare |
| Olen | 2,954 | 7,645 | 1922 | Rare |