unisex name
Louison
loo-ee-ZOHN
- Origin French
- Gender Unisex
- Letters 7
- Popularity Top 1000 (France)
- Births on record 13,218
France
#158
2025 births
Louison is a unisex name of Germanic origin meaning "famous warrior," a French diminutive of Louis and Louise alike. It ranks 158th in France, our data records it as unisex, and it appears in no other market we hold.
- Louison is a name of French origin.
- Peaked in France in 2021, when 650 babies were given the name.
- It has been rising over the past decade in France.
- Today about 1 in 907 babies in France is given this name.
- First appears in birth records in 1905.
Louison over time
Births per decade in France, 1900s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1900s | 15 |
| 1910s | 10 |
| 1920s | 10 |
| 1940s | 10 |
| 1950s | 110 |
| 1960s | 30 |
| 1980s | 60 |
| 1990s | 1,025 |
| 2000s | 3,375 |
| 2010s | 4,965 |
| 2020s (to 2025) | 3,605 |
What Louison means
Louison means famous warrior, inherited from Louis. The Frankish compound joins hlud, fame or loudness, with wig, battle — both halves emphatic, so the name states renown in war twice over.
Where Louison comes from
Louison is a French diminutive built with the -on suffix that also gives Manon from Marie and Lison from Élise, and it serves Louis and Louise equally, which is why it is unisex at source rather than by drift. Louis descends from the Frankish Chlodovech — hlud, fame, and wig, battle — the name of the king who united the Franks around 500 and is remembered as Clovis; it became the royal name of France and was carried by eighteen kings. Louison had a grim eighteenth-century afterlife: louison and louisette were early names for the guillotine, after Antoine Louis, the surgeon who designed the working version, before Guillotin's name displaced his. The name is otherwise a rural affectionate form that has been reviving since the 1990s alongside Lison and Manon.
Louison in use
Louison ranks 158th in France with about 650 births in 2025 and is rising in our data with a peak in 2021. Our data records it as unisex. Our records carry it from 1905. It appears in no other market we hold at all, which places it with Lison, Garance and Olympe among the French diminutives that have never crossed a border.
How popular is Louison?
In 2025, Louison was given to 650 babies in France, ranking #158 that year. It is a well-established, commonly used name.
Where Louison is used
French counts are rounded to the nearest five and nothing below five is published, so these figures show the shape of the name's use rather than an exact tally. Data & sources.
Names that peaked alongside Louison
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Louison also like
Names whose popularity has risen and fallen in step with Louison over the last century — the same taste, a different name.
Louison in other languages
The same name as it is spelled elsewhere — not shortenings, and not different names that merely sound alike. Each one has its own record here.
Sibling names for Louison
Names from the same era that won't rhyme or share an initial with Louison — the two things that make a sibling set grate.
Common questions about Louison
What does the name Louison mean?
Louison means "famous warrior," inherited from Louis.
Is Louison a boy's or a girl's name?
Both — our data records it as unisex. The -on suffix serves Louis and Louise equally.
Is Louison used outside France?
It appears in no other market in our data.
How do you pronounce Louison?
loo-ee-ZOHN, with a nasal ending.
How popular is the name Louison?
In 2025, Louison was given to 650 babies in France, ranking #158 that year. It is a well-established, commonly used name.
When was Louison most popular?
Louison peaked in 2021, when 650 babies were given the name. It has been rising over the past decade.
Is Louison a good name?
That is not something records can settle, but they can tell you what you would be choosing. Louison currently ranks #158 in France. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.