Boy · Name family
Lenny
70,173births recorded
17Countries
5Variants
2015Peak · Switzerland
#50South Australia 2025
Lenny is a boy name family recorded 70,173 times in 17 countries since 1882. It ranks highest today in South Australia (#50 in 2025). Its all-time peak was in Switzerland in 2015, at 307.3 births per 100,000.
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.
Rank in countries that publish top lists only
All forms of Lenny
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Lenny | English | 29,870 | 🇫🇷 France | #131 | 2015 | ▼ 62 % |
| Lenny | English | 9,035 | 🇺🇸 United States | #1418 | 2024 | ▲ 19 % |
| Lenny | English | 5,595 | 🏴 England & Wales | #141 | 2024 | ▲ 79 % |
| Lenny | English | 2,896 | 🇨🇭 Switzerland | #55 | 2016 | ▼ 37 % |
| Lenny | English | 1,525 | 🇧🇪 Belgium | #534 | 2003 | ▼ 49 % |
| Lenny | English | 798 | 🇦🇺 Victoria (AU) | #67 | 2023 | – |
| Leny | French | 9,890 | 🇫🇷 France | #494 | 2010 | ▼ 63 % |
| Leny | French | 222 | 🇧🇪 Belgium | – | 2007 | – |
| Leny | French | 158 | 🇨🇭 Switzerland | #1124 | 2011 | ▼ 54 % |
| Leny | French | 134 | 🇦🇷 Argentina | – | 1992 | – |
| Leny | French | 103 | 🇺🇸 United States | – | 2022 | – |
| Leny | French | 10 | 🇨🇦 Québec | – | 2019 | – |
| Lennie | English | 2,890 | 🇺🇸 United States | #8910 | 1889 | ▲ 71 % |
| Lennie | English | 1,891 | 🏴 England & Wales | #237 | 2023 | ▲ 309 % |
| Lennie | English | 30 | 🇮🇪 Ireland | #577 | 2024 | – |
| Lennie | English | 25 | 🏴 Scotland | #367 | 2025 | – |
| Lennie | English | 5 | 🇫🇷 France | – | 2008 | – |
| Lennie | English | 5 | 🇬🇧 Northern Ireland | – | 2022 | – |
| Leni | English | 2,130 | 🇫🇷 France | #1259 | 2008 | ▼ 53 % |
| Leni | English | 38 | 🇧🇪 Belgium | – | 2005 | – |
| Leni | English | 27 | 🇺🇸 United States | – | 2023 | – |
| Leni | English | 25 | 🏴 England & Wales | #3657 | 2024 | – |
| Leni | English | 20 | 🇨🇭 Switzerland | – | 2015 | – |
| Lenni | English | 310 | 🇫🇷 France | #2749 | 2008 | ▲ 26 % |
| Lenni | English | 105 | 🇨🇭 Switzerland | #1124 | 2020 | ▼ 31 % |
| Lenni | English | 77 | 🏴 England & Wales | – | 2024 | – |
| Lenni | English | 59 | 🇩🇪 Germany (large cities) | – | 2023 | – |
| Lenni | English | 16 | 🇦🇹 Austria | – | 2015 | – |
| Lenni | English | 16 | 🇺🇸 United States | – | 2024 | – |
How we grouped these names
- Lenny ↔ Lennie — Wikidata “said to be the same as”
- Lenny ↔ Leny — spelling variant
- Lenny ↔ Leni — spelling variant
- Lenny ↔ Lenni — spelling variant
Questions about Lenny
How popular is the name Lenny?
In 2025 it ranked #50 in South Australia. Official registers record 70,173 births across 17 countries.
What is Lenny in other languages?
Leny (French); Lennie (English); Leni (English); Lenni (English).
When was Lenny most popular?
It peaked in Switzerland in 2015, at 307.3 births per 100,000.
Is Lenny a boy or a girl name?
In official birth registers, Lenny is a boy name.