754births recorded
4Countries
2Variants
2009Peak · Belgium
#3328France 2025
Lothar is a boy name family recorded 754 times in 4 countries since 1910. It ranks highest today in France (#3328 in 2025). Its all-time peak was in Belgium in 2009, at 11.5 births per 100,000. Elsewhere it is mostly given as Lothaire (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 Lothar
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Lothaire | French | 485 | 🇫🇷 France | #3328 | 1942 | ▼ 37 % |
| Lothar | German | 104 | 🇧🇪 Belgium | – | 2009 | – |
| Lothar | German | 80 | 🇫🇷 France | – | 1943 | – |
| Lothar | German | 68 | 🇺🇸 United States | – | 1929 | – |
| Lothar | German | 17 | 🇦🇷 Argentina | – | 1942 | – |
Questions about Lothar
How popular is the name Lothar?
In 2025 it ranked #3328 in France. Official registers record 754 births across 4 countries.
What is Lothar in other languages?
Lothaire (French).
When was Lothar most popular?
It peaked in Belgium in 2009, at 11.5 births per 100,000.
Is Lothar a boy or a girl name?
In official birth registers, Lothar is a boy name.