What does Fiadh mean?
Fiadh means “wild” and also “deer” in Irish — one of Ireland’s most popular names today.
What does Niamh mean?
Niamh means “bright” or “radiant.” Niamh of the Golden Hair rides to the Otherworld in Irish myth.
Fiadh vs Niamh
Which is more popular?
Fiadh is more popular than Niamh today: about 96 US babies were given the name Fiadh in 2025, compared with 43 named Niamh.
| Fiadh | Niamh | |
|---|---|---|
| Meaning | Wild; deer | Bright, radiant |
| Origin | Irish | Irish |
| Gender | Girl | Girl |
| Pronunciation | FEE-uh | NEEV |
| Syllables | 1 | 1 |
| First appeared | 2018 | 1969 |
| Peak year | 2025 (96) | 2008 (74) |
| In 2025 | 96 | 43 |
| Trend | Near its peak | Declining |
Popularity over time, 1880–2025
Fiadh
Niamh
Source: US Social Security Administration.
Births by decade
| Decade | Fiadh | Niamh |
|---|---|---|
| 2020s | 390 | 232 |
| 2010s | 29 | 447 |
| 2000s | 0 | 636 |
| 1990s | 0 | 267 |
| 1980s | 0 | 30 |
| 1960s | 0 | 5 |
Frequently asked questions
Is Fiadh or Niamh more popular?
Fiadh is more popular than Niamh today: about 96 US babies were given the name Fiadh in 2025, compared with 43 named Niamh.
What is the difference between Fiadh and Niamh?
Fiadh means Wild; deer (Irish origin), while Niamh means Bright, radiant (Irish origin).
Which name is older, Fiadh or Niamh?
In US records, Fiadh first appears in 2018 and Niamh in 1969, so Niamh has the longer recorded history.