About the name Kolby
Kolby is a boy name with Old Norse roots, literally “charcoal + settlement”. It is related to Colby, which is where the meaning comes from.
It has a modern, unique feel. In 2025, Kolby ranked #1225 for boys in the US, with 165 babies given the name. Its peak year since 1940 was 2001. Since 2000, 90% of US babies named Kolby were boys.
Etymology
A variant of Colby, which comes from Old Norse, meaning “charcoal” + “settlement”.
Name meaning adapted from Wiktionary (“Kolby”, “Colby”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #1225
- In 2015
- #828
- Babies in 2025
- 165
Popularity of Kolby, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
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Kolby
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7 LB 4 OZ · 20 IN
The Baby Kit
See Kolby on a birth announcement
Birth announcements, shower invitations, nursery wall art and milestone cards, all personalized with Kolby. Type your details once and print at home or at any print shop.
Names similar to Kolby
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.