729births recorded
3Countries
1Variants
2016Peak · Belgium
#1199Belgium 2025
Dex is a boy name family recorded 729 times in 3 countries since 1952. It ranks highest today in Belgium (#1199 in 2025). Its all-time peak was in Belgium in 2016, at 8.2 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Dex
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Dex | English | 658 | 🇺🇸 United States | #4857 | 2016 | ▼ 14 % |
| Dex | English | 46 | 🇧🇪 Belgium | #1199 | 2016 | ▶ 1 % |
| Dex | English | 25 | 🏴 England & Wales | – | 2023 | – |
Questions about Dex
How popular is the name Dex?
In 2025 it ranked #1199 in Belgium. Official registers record 729 births across 3 countries.
When was Dex most popular?
It peaked in Belgium in 2016, at 8.2 births per 100,000.
Is Dex a boy or a girl name?
In official birth registers, Dex is a boy name.