940births recorded
5Countries
2Variants
1996Peak · Slovenia
#249Slovenia 2025
Isidor is a boy name family recorded 940 times in 5 countries since 1883. It ranks highest today in Slovenia (#249 in 2025). Its all-time peak was in Slovenia in 1996, at 66.0 births per 100,000. Elsewhere it is mostly given as Izidor (Slovenia).
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 Isidor
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Isidor | Russian | 419 | 🇺🇸 United States | #9714 | 1885 | new |
| Isidor | Russian | 210 | 🇸🇪 Sweden | #834 | 2013 | ▼ 54 % |
| Isidor | Russian | 90 | 🇫🇷 France | #5468 | 1917 | new |
| Isidor | Russian | 30 | 🇦🇹 Austria | #720 | 2024 | ▲ 14 % |
| Izidor | Slovene | 191 | 🇸🇮 Slovenia | #249 | 1996 | ▼ 37 % |
Questions about Isidor
How popular is the name Isidor?
In 2025 it ranked #249 in Slovenia. Official registers record 940 births across 5 countries.
What is Isidor in other languages?
Izidor (Slovene).
When was Isidor most popular?
It peaked in Slovenia in 1996, at 66.0 births per 100,000.
Is Isidor a boy or a girl name?
In official birth registers, Isidor is a boy name.