Kolby is a boy name with a modern feel, drawn from real birth records.
| Country | Births on record |
|---|---|
| United States since 1880 | 13,001 births |
| England & Wales since 1996 | 224 births |
Counts come from national birth registrations: the U.S. Social Security Administration, England & Wales (ONS) and Ireland (CSO). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Kolby per year — United States (1968–2025). United States peaked in 2001 (781/yr) · England & Wales peaked in 2023 (28/yr).
Kolby reached its peak in 2001, when it was the #725 most popular baby name in the United States — making it a quintessential 2000s name.
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