677births recorded
2Countries
1Variants
2025Peak · Ireland
#85Ireland 2025
Iarlaith is a boy name family recorded 677 times in 2 countries since 2008. It ranks highest today in Ireland (#85 in 2025). Its all-time peak was in Ireland in 2025, at 161.4 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Iarlaith
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Iarlaith | English | 599 | 🇮🇪 Ireland | #85 | 2025 | ▲ 149 % |
| Iarlaith | English | 78 | 🇬🇧 Northern Ireland | #138 | 2025 | – |
Questions about Iarlaith
How popular is the name Iarlaith?
In 2025 it ranked #85 in Ireland. Official registers record 677 births across 2 countries.
When was Iarlaith most popular?
It peaked in Ireland in 2025, at 161.4 births per 100,000.
Is Iarlaith a boy or a girl name?
In official birth registers, Iarlaith is a boy name.