Oneil Boy
How popular is Oneil?
#9,710 boy name in 2025
7 baby boys were named Oneil in the US in 2025, making it the 9710th most popular boy name.
1,049living people named Oneil (est.)
35median age of people named Oneil
1,774babies named Oneil since 1880
1 in 473,620US babies born in 2025
Oneil popularity over time
Boys Girls
| Rank in 2025 | #9,710 for boys (▼ 1403 from 2024) |
|---|---|
| Babies in 2025 | 7 boys |
| 10-year trend | Falling (-22% babies vs 2015) |
| Earlier ranks | #8,035 in 2015, #8,734 in 2020 |
| Peak year | 1924 (38 boys) |
| Highest rank | #1,065 in 1892 |
| First recorded | 1892 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Oneil by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1890s | 5 | #1,065 |
| 1910s | 115 | #1,526 |
| 1920s | 264 | #1,169 |
| 1930s | 185 | #1,426 |
| 1940s | 171 | #1,471 |
| 1950s | 142 | #1,664 |
| 1960s | 85 | #2,069 |
| 1970s | 83 | #2,668 |
| 1980s | 149 | #2,358 |
| 1990s | 198 | #2,571 |
| 2000s | 189 | #3,716 |
| 2010s | 125 | #4,388 |
| 2020s | 46 | #8,307 |
Boy names about as popular as Oneil
Questions
- Is Oneil a boy or girl name?
- Oneil is mostly a boy name. Over the last 10 years, 100% of babies named Oneil were boys.
- How popular is the name Oneil?
- 7 baby boys were named Oneil in the US in 2025, making it the 9710th most popular boy name.
- When was Oneil most popular?
- Oneil peaked in 1924, when 38 boys were given the name. Its highest rank was #1,065 in 1892.
- How many people are named Oneil?
- 1,774 babies have been named Oneil in the US since 1880. We estimate about 1,049 of them are alive in 2026, with a median age of 35.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.