Niamh is a moderately popular girls' name in England & Wales, ranking #208 in 2025 with 228 recorded births. The name reached its all-time peak in 2000 with 1,204 births ranking #40. Since 1996, the popularity has decreased by 40.2%. In 2025, approximately 1 in every 1,111 girls born was named Niamh. FALLING Recent data shows the name is currently falling.
Niamh is a classic Irish name meaning 'bright' or 'radiant'. It feels elegant, ancient, and unmistakably rooted in Gaelic tradition.
Known from Irish mythology, Niamh has remained beloved in Ireland for generations and has gained wider recognition beyond it. Its traditional spelling is part of its strong cultural identity.