unisex name
Willo
- Gender Unisex
- Letters 5
- Popularity Rare
- Births on record 752
Willo is a unisex name. It is given to both girls and boys — about 88% of recorded births with this name are girls. In 2025 it was given to 9 babies in the United States. It is a rare choice.
- Peaked in 1924, when 23 babies were given the name.
- After peaking in the 1920s it fell out of use, and is now climbing again — a classic revival.
- Today about 1 in 368,460 babies in the United States is given this name.
- First appears in US birth records in 1911.
Willo over time
Births per decade in the United States, 1910s 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 |
|---|---|
| 1910s | 73 |
| 1920s | 147 |
| 1930s | 166 |
| 1940s | 63 |
| 1950s | 30 |
| 1960s | 7 |
| 2000s | 38 |
| 2010s | 74 |
| 2020s (to 2025) | 39 |
How popular is Willo?
In 2025, Willo was given to 9 babies in the United States. It is a rare choice.
Where Willo is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Willo
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Willo also like
Names whose popularity has risen and fallen in step with Willo over the last century — the same taste, a different name.
Sibling names for Willo
Names from the same era that won't rhyme or share an initial with Willo — the two things that make a sibling set grate.
Common questions about Willo
How popular is the name Willo?
In 2025, Willo was given to 9 babies in the United States. It is a rare choice.
Is Willo a girl's or a boy's name?
Willo is used for both girls and boys. About 88% of recorded births with this name are girls.
When was Willo most popular?
Willo peaked in 1924, when 23 babies were given the name. After peaking in the 1920s it fell out of use, and is now climbing again — a classic revival.
Is Willo a good name?
That is not something records can settle, but they can tell you what you would be choosing. Willo currently ranks #3,047 in the United States. After peaking in the 1920s it fell out of use, and is now climbing again — a classic revival. Everything else — how it sounds with your surname, who it reminds you of — is yours.