Niall Boy
How popular is Niall?
#1,699 boy name in 2025
96 baby boys were named Niall in the US in 2025, making it the 1699th most popular boy name.
Niall popularity over time
| Rank in 2025 | #1,699 for boys (▼ 126 from 2024) |
|---|---|
| Babies in 2025 | 96 boys |
| 10-year trend | Rising fast (+75% babies vs 2015) |
| Earlier ranks | #2,354 in 2015, #2,113 in 2020 |
| Peak year | 2024 (110 boys) |
| Highest rank | #1,573 in 2024 |
| First recorded | 1955 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Niall counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Niall family of names ranked #1,376 for boys in 2025 (#1,218 the year before), with 108 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Niall | 96 | 89% |
| Nyel | 7 | 6% |
| Niel | 5 | 5% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Niall is most popular
Babies named Niall per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Pennsylvania: 0.1 per 1,000 (29 boys)
- New York: 0.1 per 1,000 (38 boys)
- Massachusetts: 0.1 per 1,000 (12 boys)
- California: 0.1 per 1,000 (51 boys)
- Wisconsin: 0.1 per 1,000 (6 boys)
Niall by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1950s | 24 | #3,289 |
| 1960s | 68 | #2,204 |
| 1970s | 101 | #2,365 |
| 1980s | 140 | #2,353 |
| 1990s | 335 | #1,762 |
| 2000s | 327 | #2,520 |
| 2010s | 576 | #1,663 |
| 2020s | 523 | #1,573 |
Boy names about as popular as Niall
Questions
- Is Niall a boy or girl name?
- Niall is mostly a boy name. Over the last 10 years, 100% of babies named Niall were boys.
- How popular is the name Niall?
- 96 baby boys were named Niall in the US in 2025, making it the 1699th most popular boy name.
- When was Niall most popular?
- Niall peaked in 2024, when 110 boys were given the name. Its highest rank was #1,573 in 2024.
- How many people are named Niall?
- 2,094 babies have been named Niall in the US since 1880. We estimate about 2,039 of them are alive in 2026, with a median age of 14.
- Where is Niall most popular?
- From 2021 to 2025, Niall was most common in Pennsylvania, at 0.1 of every 1,000 boys born there.
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.