Kolby
girl name#3577 in 2025Kolby entered the US charts in 1978, peaked at #2672 in 2000, ranks #3577 today — a rare gem few children share.
Popularity 1978–2025
#3577
rank today
#2672
peak (2000)
42
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 1970s | #8312 |
| 1980s | #4944 |
| 1990s | #3448 |
| 2000s | #4700 |
| 2010s | #4420 |
| 2020s | #4368 |
Strongest states
Over the last decade, Kolby has been most popular in TX, IN.
Living bearers
About 1,300 people named Kolby are estimated to be alive in the US today.
The typical Kolby alive today was born around 2004, making them about 21 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Kolby in 2025?
- Kolby ranks #3577 among US girl names in 2025, with 42 babies given the name.
- When was the name Kolby most popular?
- Kolby peaked in 2000, reaching #2672 among US girl names.
- Will my child share the name Kolby with classmates?
- Kolby will almost certainly be the only one in school.
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