Will my child share the name Kolby with classmates?

Unlikely. With around 20 UK babies named Kolby per year, your child will almost certainly be the only Kolby in their class, and possibly the only one in the whole school.

Is Kolby becoming more or less popular in the UK?

Kolby is declining: down 308 places since 2020, to #1,359 in 2025. It peaked at #1,042 in 2023.

Is Kolby a good choice for a distinctive name?

Kolby is a distinctive choice sitting outside the mainstream UK top names. Parents choosing less common names often find their children appreciate the individuality as they grow up, rarely needing to add an initial to distinguish themselves.

Who are some famous people named Kolby?

Notable people named Kolby include: Marit Kolby, Kolby Cooper and Kolby Allard.

Is Kolby a popular baby name in the United States?

Kolby does not appear in the US top 1,000 baby names, making it a distinctively British choice.

👦 Boy's name 💎 Relatively Unique UK #1359

Kolby

🗳️ Add Kolby to a family shortlist

Kolby is a distinctive choice, ranked #1359 in 2025. Your child is likely to be the only Kolby in their class.

💎

UK Rank 2025

#1359

About the Name Kolby

Kolby has seen a notable decline in recent years, dropping 271 places in five years. It was most popular in 2023 at #1042 — parents choosing it today are making a deliberately counter-trend decision. The name has been a regular feature in UK records since 2005.

Kolby is uncommon in the UK, so your child is very likely to be the only Kolby in their class.

⭐ Famous People Named Kolby

Marit Kolby — Marit Kolby is a Norwegian nutritional biologist, university lecturer and author.
Kolby Cooper — Kolby Cooper is an American country music singer.
Kolby Allard — Kolby Kenneth Allard is an American professional baseball pitcher for the Cleveland Guardians of Major League Baseball (MLB).

Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.