Rising since 2018, #6,325 for girls today.
Popularity of Coi since 1996
Babies named Coi per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1990s | 5 | 5 |
| 2000s | 5 | 12 |
| 2010s | 5 | 12 |
| 2020s | 105 | 43 |
Meaning & origin
Coi is a modern, unisex name that first appeared on the U.S. Social Security name records in 1999. As of 2025, it ranks 6,325th with a 1-in-89,293 frequency, reflecting its rarity. The name has been on a rising trajectory since 2018, reaching its peak year of popularity in 2023. With no recorded top states or famous historical bearers, Coi is a fresh, contemporary choice that appeals to parents seeking a short, phonetically distinctive name. Its exact origins are unclear, which adds to its open-ended, modern appeal.
Coi is a modern given name that emerged in the United States around the late 1990s. Its exact derivation is unclear; it may be a respelling or shortening of names like Colette or a phonetic invention inspired by the sound "koy." It has no well-documented historical use prior to 1999.
Sibling names for Coi
Names that share Coi's style, for a brother or sister.
