Koi
girl name#2194 in 2025Koi entered the US charts in 1999, peaked at #2194 in 2025, ranks #2194 today — a rare gem few children share.
Popularity 1999–2025
#2194
rank today
#2194
peak (2025)
84
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 1990s | #14411 |
| 2000s | #10840 |
| 2010s | #6025 |
| 2020s | #2992 |
Strongest states
Over the last decade, Koi has been most popular in TX, LA, FL.
Living bearers
About 700 people named Koi are estimated to be alive in the US today.
The typical Koi is a kid of about 5 — this name's wave is very recent.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Koi in 2025?
- Koi ranks #2194 among US girl names in 2025, with 84 babies given the name.
- When was the name Koi most popular?
- Koi peaked in 2025, reaching #2194 among US girl names.
- Will my child share the name Koi with classmates?
- Koi will almost certainly be the only one in school.
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