Coi
Mostly girls · KOY
Coi is a name. In 2025 it ranked 6,324th for girls in the US (18 babies).
Where does Coi come from?
- Say it
- KOY
Is Coi a girl's or a boy's name?
In recent years, Coi has been given to girls and boys, mostly girls. In 2025, it was given to 18 girls and 7 boys in the US.
How popular is Coi in the US?
- Rank in 2025
- #6,324among girls
- Babies in 2025
- 18about 1 in 89,000 girls
- Five-year trend
- Rising fastup 800% in five years
- Same name in a class
- under 1%chance among 15 girls
In 2025, 18 girls in the US were named Coi, making it the 6,324th most popular name for girls. Five years earlier, in 2020, it was 12,137th. Its busiest year was 2023, with 23 girls. It first appears in the records in 1999. 7 boys were also named Coi in 2025 (9,710th for boys).
Half of all the girls named Coi in the US since 1880 were born between 2021 and 2024, the years shaded on the chart below.
In 2025, 102 girls in the US were given Coi or a name that sounds the same. With every name's spellings counted this way, that ranks #1,669, up from #6,324 for this spelling alone.
- Koi 84
- Coi 18
Coi in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 18 | #6,324 |
| 2024 | 22 | #5,612 |
| 2023 | 23 | #5,386 |
| 2022 | 17 | #6,702 |
| 2021 | 18 | #6,409 |
| 2020 | 7 | #12,137 |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 5 | #16,210 |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 0 | – |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 5 | #17,498 |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 0 | – |
| 2004 | 0 | – |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 0 | – |
| 2000 | 0 | – |
| 1999 | 5 | #14,403 |
Names like Coi
Names given in the same years and the same naming tradition, with a similar sound.
Teagan Brynlee Rynlee Brynn Braelynn Cove Reign Briar Codi Eowyn Kenley Cassidy