NameCensus.

UK name, mostly boys

Colby

From an Old English name meaning "coal settlement" or "dark town".

For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.

Colby is mostly registered for boys in the UK records. People looking for Colby popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #222, with 220 babies registered with the name. Its strongest year in the published records was 2024, with 220 births.

This profile covers 2,306 England and Wales registrations across 29 recorded years from 1996 to 2024. The figures come from ONS England and Wales, NRS Scotland and NISRA Northern Ireland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

Colby is at its recorded peak in the England and Wales series.

We estimate that about 2,594 living people in the UK are called Colby. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.

Key insights

  • Colby ranked #222 for boys in England and Wales in 2024, with 220 registrations.
  • The name peaked in 2024, when 220 boys were registered as Colby.
  • Colby ranks best in Scotland in the latest published regional snapshot for that area, where it placed #165 in 2024.
  • About 2,594 living people in the UK are estimated to have Colby as a first name, after adjusting past birth registrations with ONS life tables.
  • Across the England and Wales records shown here, 98.1% of Colby registrations are for boys.

Latest rank (E&W)

#222

2024

Births in 2024

220

Latest year

Peak year

2024

220 births

Estimated living

2,594

2026

Gender

Boy and girl registrations for Colby

In England and Wales birth records, Colby has been registered for both boys and girls. Across the years shown here, 98.1% of registrations are for boys and 1.9% are for girls.

These figures use the sex categories in the published baby-name files. They are useful for spotting how the name is used at registration, but they are not a live measure of gender identity or everyone living with the name today.

98% boys
Boys2,306 (98.1%)Girls45 (1.9%)

Colby registered for boys

  • Ranked #222 in 2024
  • 220 boys registered in 2024
  • Peak: 2024 (220 births)

Colby registered for girls

  • Ranked #5,891 in 2024
  • 3 girls registered in 2024
  • Peak: 1997 (8 births)

Meaning

What does Colby mean?

The name Colby originated from an Old Norse word "kolbrandr," which translates to "coal-brand" or "coal-burned." This name was likely given to individuals with dark complexions or those who worked with coal or in forges. The name's roots can be traced back to the Viking Age, around the 8th to 11th centuries, when Norse settlers inhabited parts of modern-day England, Scotland, and Ireland.

One of the earliest recorded instances of the name Colby can be found in the Domesday Book, a manuscript record of the great survey of England commissioned by William the Conqueror in 1086. The name appears as "Colbrand," referring to a landowner in Norfolk, England.

During the Middle Ages, the name Colby was relatively uncommon but can be found in various historical records, including the Pipe Rolls of Henry II, which document financial transactions in medieval England. One notable bearer of the name was Colby of Ingworth, a 13th-century English landowner and knight mentioned in the Testa de Nevill, a survey of feudal tenure in England.

In the 16th century, the name Colby gained popularity among Puritan families in England and later in the American colonies. One of the earliest recorded instances of the name in America was Colby Lampson, who was born in Massachusetts in 1638.

Throughout history, several notable individuals have borne the name Colby. These include Colby Chew (1839-1917), an American politician and lawyer who served as a United States Representative from Pennsylvania; Colby Cosh (born 1975), a Canadian journalist and writer; Colby College in Waterville, Maine, named after Baptist minister Gardner Colby (1810-1879); and Colby Rasmus (born 1986), an American professional baseball player.

Another famous bearer of the name was Bainbridge Colby (1869-1950), an American lawyer and politician who served as the United States Secretary of State under President Woodrow Wilson from 1920 to 1921.

Sourced from namecensus.com.

Popularity

Colby over time

The chart below compares boys and girls registered as Colby in England and Wales, from 1996 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Colby, the clearest high point is 2024. The latest England and Wales figure is 220 births in 2024, compared with 220 at the peak.

Babies born per year

BoysGirls
056112167223199620102024

Decades

Colby by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Colby was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2020s #271 889 5
2010s #488 857 10
2000s #559 466 10
1990s #753 94 4

Geography

Where Colby is most common

The bars show the latest published local birth counts for Colby. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Colby ranks best in Scotland in the latest published regional snapshot for that area, where it placed #165 in 2024.

Scotland
27
Northern Ireland
9

Across the UK

Colby in Scotland and Northern Ireland

Scotland (NRS)

#165 in 2024

22 years of NRS records, 244 total registered

Northern Ireland (NISRA)

#216 in 2024

10 years of NISRA records, 60 total registered

Notable bearers

Famous people named Colby

  • Colby Donovan

    association football player

    Scottish footballer

    2006-

  • Colby Bishop

    association football player

    English association football player

    1996-

Related

Names similar to Colby

FAQ

Colby: questions and answers

How popular is the name Colby in the UK right now?

In 2024, Colby was ranked #222 for boys in England and Wales, with 220 births registered.

When was Colby most popular?

The peak year on record was 2024, with 220 babies registered as Colby in England and Wales.

What is the meaning and origin of Colby?

From an Old English name meaning "coal settlement" or "dark town".

How many people are called Colby in the UK?

A total of 2,306 babies have been registered as Colby across the 29 years of ONS England & Wales records shown here, plus 244 more in Scotland and 60 in Northern Ireland.

Where is Colby most common?

In the latest published local rankings, Colby ranks best in Scotland, where it placed #165 in 2024. The regional bars on this page use birth counts, so they also reflect the size of each region.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.