Niamh Girl
How popular is Niamh?
#3,516 girl name in 2025
43 baby girls were named Niamh in the US in 2025, making it the 3516th most popular girl name.
1,603living people named Niamh (est.)
18median age of people named Niamh
1,617babies named Niamh since 1880
1 in 77,101US babies born in 2025
Niamh popularity over time
| Rank in 2025 | #3,516 for girls (▼ 397 from 2024) |
|---|---|
| Babies in 2025 | 43 girls |
| 10-year trend | Rising (+23% babies vs 2015) |
| Earlier ranks | #4,143 in 2015, #4,167 in 2020 |
| Peak year | 2008 (74 girls) |
| Highest rank | #2,300 in 2001 |
| First recorded | 1969 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Niamh is most popular
Babies named Niamh per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
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- Massachusetts: 0.1 per 1,000 (8 girls)
- New York: 0.1 per 1,000 (22 girls)
- Pennsylvania: 0.0 per 1,000 (6 girls)
- Illinois: 0.0 per 1,000 (5 girls)
- California: 0.0 per 1,000 (5 girls)
Niamh by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1960s | 5 | #7,469 |
| 1980s | 30 | #5,830 |
| 1990s | 267 | #2,773 |
| 2000s | 636 | #2,300 |
| 2010s | 447 | #2,867 |
| 2020s | 232 | #3,119 |
Girl names about as popular as Niamh
Questions
- Is Niamh a boy or girl name?
- Niamh is mostly a girl name. Over the last 10 years, 100% of babies named Niamh were girls.
- How popular is the name Niamh?
- 43 baby girls were named Niamh in the US in 2025, making it the 3516th most popular girl name.
- When was Niamh most popular?
- Niamh peaked in 2008, when 74 girls were given the name. Its highest rank was #2,300 in 2001.
- How many people are named Niamh?
- 1,617 babies have been named Niamh in the US since 1880. We estimate about 1,603 of them are alive in 2026, with a median age of 18.
- Where is Niamh most popular?
- From 2021 to 2025, Niamh was most common in Massachusetts, at 0.1 of every 1,000 girls 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.