unisex name
Coi
- Gender Unisex
- Letters 3
- Popularity Rare
- Births on record 192
Coi is a unisex name. It is given to both girls and boys — about 63% of recorded births with this name are girls. In 2025 it was given to 25 babies in the United States. It is a rare choice.
- Peaked in 2021, when 31 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 132,626 babies in the United States is given this name.
- First appears in US birth records in 1996.
Coi 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 | 10 |
| 2000s | 17 |
| 2010s | 17 |
| 2020s (to 2025) | 148 |
How popular is Coi?
In 2025, Coi was given to 25 babies in the United States. It is a rare choice.
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 Coi
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Coi also like
Names whose popularity has risen and fallen in step with Coi over the last century — the same taste, a different name.
Sibling names for Coi
Names from the same era that won't rhyme or share an initial with Coi — the two things that make a sibling set grate.
Common questions about Coi
How popular is the name Coi?
In 2025, Coi was given to 25 babies in the United States. It is a rare choice.
Is Coi a girl's or a boy's name?
Coi is used for both girls and boys. About 63% of recorded births with this name are girls.
When was Coi most popular?
Coi peaked in 2021, when 31 babies were given the name. It has been rising over the past decade.
Is Coi a good name?
That is not something records can settle, but they can tell you what you would be choosing. Coi currently ranks #6,354 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.