Kolby is a boy name with a modern feel, drawn from real birth records. Below you'll find what Kolby means and where it comes from, plus how many babies have been named Kolby across the United States, UK, Ireland and New Zealand, how popular Kolby has been over the decades, and the year it peaked.
Kolby is a boy name of Norse origin meaning “coal town, or dark settlement”. A respelling of Colby, from an English place name of Norse origin.
| Country | Births on record |
|---|---|
| United States since 1880 | 13,001 births |
| England & Wales since 1996 | 224 births |
| Scotland since 1974 | 31 births |
| Northern Ireland since 1997 | 8 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Kolby per year, United States (1968 to 2025). United States peaked in 2001 (781/yr) · England & Wales peaked in 2023 (28/yr) · Scotland peaked in 2014 (7/yr) · Northern Ireland peaked in 2023 (5/yr).
Kolby has been a fairly common baby name in the United States. It was most common in 2001, when it ranked #725 nationally (given to 781 babies that year).
Colby · Kelby · Colbie · Kolbe · Kolbie · Kolbi · Colbey
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