1,611births recorded
1Countries
1Variants
2001Peak · Belgium
#734Belgium 2025
Sien is a girl name family recorded 1,611 times in 1 country since 1995. It ranks highest today in Belgium (#734 in 2025). Its all-time peak was in Belgium in 2001, at 80.1 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Sien
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Sien | French | 1,611 | 🇧🇪 Belgium | #734 | 2001 | ▼ 74 % |
Questions about Sien
How popular is the name Sien?
In 2025 it ranked #734 in Belgium. Official registers record 1,611 births across 1 country.
When was Sien most popular?
It peaked in Belgium in 2001, at 80.1 births per 100,000.
Is Sien a boy or a girl name?
In official birth registers, Sien is a girl name.