4,903births recorded
4Countries
3Variants
2021Peak · England & Wales
#1704England & Wales 2025
Llewellyn is a boy name family recorded 4,903 times in 4 countries since 1880. It ranks highest today in England & Wales (#1704 in 2025). Its all-time peak was in England & Wales in 2021, at 6.3 births per 100,000. Elsewhere it is mostly given as Llewelyn (England & Wales, France).
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Llewellyn
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Llewellyn | English | 3,755 | 🇺🇸 United States | #5608 | 1882 | ▲ 84 % |
| Llewellyn | English | 255 | 🏴 England & Wales | #3657 | 2004 | ▼ 49 % |
| Llewellyn | English | 5 | 🇨🇦 Ontario | – | 1964 | – |
| Llewelyn | English | 351 | 🏴 England & Wales | #1704 | 2017 | ▲ 31 % |
| Llewelyn | English | 188 | 🇺🇸 United States | #5399 | 2024 | ▲ 264 % |
| Llewelyn | English | 10 | 🇫🇷 France | – | 2006 | – |
| Lewellyn | English | 339 | 🇺🇸 United States | – | 1929 | – |
How we grouped these names
- Llewellyn ↔ Llewelyn — spelling variant
- Llewellyn ↔ Lewellyn — spelling variant
Questions about Llewellyn
How popular is the name Llewellyn?
In 2025 it ranked #1704 in England & Wales. Official registers record 4,903 births across 4 countries.
What is Llewellyn in other languages?
Llewelyn (English); Lewellyn (English).
When was Llewellyn most popular?
It peaked in England & Wales in 2021, at 6.3 births per 100,000.
Is Llewellyn a boy or a girl name?
In official birth registers, Llewellyn is a boy name.