boy's name
Kaio
- Gender Boy
- Letters 4
- Popularity Uncommon
- Births on record 510
Ireland
#978
2024 births
Kaio is a boy's name. In 2025 it was given to 22 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2023, when 26 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 150,716 babies in the United States is given this name.
- First appears in US birth records in 1993.
Kaio over time
Births per decade in the United States, 1990s 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 |
|---|---|
| 1990s | 19 |
| 2000s | 115 |
| 2010s | 167 |
| 2020s (to 2025) | 128 |
How popular is Kaio?
In 2025, Kaio was given to 22 babies in the United States. It is used consistently but remains uncommon.
Where Kaio 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 Kaio
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Kaio also like
Names whose popularity has risen and fallen in step with Kaio over the last century — the same taste, a different name.
Sibling names for Kaio
Names from the same era that won't rhyme or share an initial with Kaio — the two things that make a sibling set grate.
Common questions about Kaio
How popular is the name Kaio?
In 2025, Kaio was given to 22 babies in the United States. It is used consistently but remains uncommon.
Is Kaio a girl's or a boy's name?
Kaio is given almost entirely to boys in birth records.
When was Kaio most popular?
Kaio peaked in 2023, when 26 babies were given the name. It has been rising over the past decade.
Is Kaio a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kaio currently ranks #1,985 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.