582births recorded
2Countries
2Variants
2020Peak · France
#1206France 2025
Illiam is a boy name family recorded 582 times in 2 countries since 1975. It ranks highest today in France (#1206 in 2025). Its all-time peak was in France in 2020, at 12.6 births per 100,000. Elsewhere it is mostly given as Ilyam (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 Illiam
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Ilyam | French | 465 | 🇫🇷 France | #1206 | 2020 | ▲ 51 % |
| Illiam | French | 75 | 🇫🇷 France | – | 2018 | – |
| Illiam | French | 42 | 🇺🇸 United States | – | 1981 | – |
Questions about Illiam
How popular is the name Illiam?
In 2025 it ranked #1206 in France. Official registers record 582 births across 2 countries.
What is Illiam in other languages?
Ilyam (French).
When was Illiam most popular?
It peaked in France in 2020, at 12.6 births per 100,000.
Is Illiam a boy or a girl name?
In official birth registers, Illiam is a boy name.