Unisex5 letters

Colby

Meaning: Coal town
Origin: English, Norse
Pronunciation: KOL-bee

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Meaning & origin

What does Colby mean?

Colby means “coal town”.

Colby comes from an English surname and place name. Its older Norse elements koli and býr refer to a coal settlement.

Short forms & related names

Nicknames & variations

No nicknames or variations are listed for Colby yet.

Popularity & trends

How popular is Colby?

United States · 2025

Explore how often Colby is used and how its ranking has changed.

US boys rank: #615
Boys named Colby: 455
Change in births: 7.1%

Colby over time

United States · Boys

Yearly data & usage

Rankings are calculated separately for girls and boys. The summary highlights boys, the most common recorded usage in 2025. Use the chart’s usage selector to explore both categories.

Colby: United States birth counts and ranks
Year	Usage	US rank	Births
2025	Boys	#615	455
2025	Girls	#2,828	60
2024	Boys	#583	490
2024	Girls	#3,240	49
2023	Boys	#607	467
2023	Girls	#3,395	47
2022	Boys	#601	469
2022	Girls	#2,703	64
2021	Boys	#651	420
2021	Girls	#2,967	56
2020	Boys	#618	439
2020	Girls	#3,407	45
2019	Boys	#612	447
2019	Girls	#3,290	48
2018	Boys	#597	459
2018	Girls	#3,628	42
2017	Boys	#584	465
2017	Girls	#3,352	47
2016	Boys	#529	558
2016	Girls	#4,013	37
2015	Boys	#457	665
2015	Girls	#3,493	45
2014	Boys	#427	717
2014	Girls	#3,145	52