Colby
A boys’ name of Old English origin, meaning coal town; a place name surname.
Babies a year
222
England and Wales, 2025
Rarity
Uncommon
among names in use
US popularity
#615
down from #582
UK popularity
#224
222 babies · down from #222
How Colby has moved
View as table
| Year | US rank |
|---|---|
| 2015 | #457 |
| 2016 | #530 |
| 2017 | #584 |
| 2018 | #597 |
| 2019 | #609 |
| 2020 | #618 |
| 2021 | #651 |
| 2022 | #597 |
| 2023 | #604 |
| 2024 | #582 |
| 2025 | #615 |
In 2025, 222 babies in England and Wales were named Colby. In the US, 510 were, though that figure is from 2017 — the most recent full year we hold. Its US peak was 3,859 in 2001.
Looking further back: between 1880 and 2008, Colby was most common in 2005, when it went to 0.08% of American babies of that sex.
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