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Kolby

“Variant of Colby — Coal town, or Koli's settlement” — Old Norse origin

Boy's name · #1222 in the US (2025) · 2000s

Kolby has appeared in US records since 1968 — best rank #359 (2001) · 11,650 babies named Kolby all-time · 1 in 10,000 boys born in 2025.

Around the world: about 1 in 8,400 boys in Canada (2024) · about 1 in 14,000 boys in England & Wales (2025).

Appears in 2020-2025 birth records of 16 states. See the full state-by-state map on this page.

Famous Kolbys

• Kolby Allard — American baseball player
• Kolby LaCrone — American soccer player
• Kolby Smith — player of American football
• Kolby Listenbee — American-football player (1994-)
• Kolby Cooper — musical artist

What Kolbys become

Among 16 notable people named Kolby:

Athletes appear 3.63× more often than among typical names — e.g. Kolby Allard, American baseball player.

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.

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