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.

Compare with other names
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

04080 18801900192019401960198020002020
Rank in 2025#3,516 for girls (▼ 397 from 2024)
Babies in 202543 girls
10-year trendRising (+23% babies vs 2015)
Earlier ranks#4,143 in 2015, #4,167 in 2020
Peak year2008 (74 girls)
Highest rank#2,300 in 2001
First recorded1969
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.0% 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.

  1. Massachusetts: 0.1 per 1,000 (8 girls)
  2. New York: 0.1 per 1,000 (22 girls)
  3. Pennsylvania: 0.0 per 1,000 (6 girls)
  4. Illinois: 0.0 per 1,000 (5 girls)
  5. California: 0.0 per 1,000 (5 girls)

Niamh by decade

DecadeBaby girlsBest rank
1960s5#7,469
1980s30#5,830
1990s267#2,773
2000s636#2,300
2010s447#2,867
2020s232#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.