About the name Niamh
The origin of Niamh is debated, and we couldn't confirm its meaning from a sourced etymology. A commonly cited theory links it to Irish roots, with the meaning “Bright, radiant”. Treat that as a theory, not a settled fact.
Why we say this: we only state a meaning as fact when a sourced etymology (Wiktionary, with its references) supports it. For Niamh we didn't find one we were confident in, so we show the popular explanation as a theory.
It has a unique, short & sweet feel. In 2025, Niamh ranked #3561 for girls in the US, with 43 babies given the name. Its peak year since 1940 was 2008. Since 2000, 100% of US babies named Niamh were girls.
- US rank 2025
- #3561
- In 2015
- #4206
- Babies in 2025
- 43
Popularity of Niamh, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Hello, world
Niamh
Your last name
born on your big day
7 LB 4 OZ · 20 IN
The Baby Kit
See Niamh on a birth announcement
Birth announcements, shower invitations, nursery wall art and milestone cards, all personalized with Niamh. Type your details once and print at home or at any print shop.
Nicknames for Niamh
Niamh is already short and sweet, so it doesn't usually get a nickname.
Names similar to Niamh
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.