Boy name
Kolby
Kolby is currently the #1222 boy name in the United States, based on 2025 Social Security data. In raw numbers: 165 babies. The ranking has held remarkably steady over the last five years. Looking at the full record since 1968, Kolby hit its all-time high of #359 in 2001, when 739 boys were given the name. State by state, Kentucky leads the way at #526.
Rankings
2025 rank
#1222
among boy names
Trend
Stable
last 5 years
All-time peak
#359
in 2001 (2000s)
Babies in 2025
165
boys named Kolby
Kolby popularity, 1880–2025
Where Kolby is most popular
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Kentucky (#526), Missouri (#648), Ohio (#801)
Uniqueness score
57/ 100Balanced
everywhereone of a kind
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Kolby in the most recent year of SSA data.
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