Nameling

Kolby

Gender
Boy
Say it
KOHL-bee
Origin
English
UK rank, 2025
#1,423 for boys
US rank, 2025
#1,222 for boys

Kolby is a boys' name of English origin, meaning “Koli's farm or settlement”. In 2025 it ranked 1,423rd for boys in the UK (20 babies) and 1,222nd for boys in the US (165 babies).

What does Kolby mean?

English: spelling of Colby, an English place name of Old Norse origin

“Koli's farm or settlement”

Colby is a place name in Norfolk and Cumbria, formed from the Old Norse personal name Koli and by, meaning farmstead.

More on Wiktionary.

Is Kolby a girl's or a boy's name?

Kolby is a boys' name. In 2025, it was given to 20 boys in the UK and 42 girls and 165 boys in the US.

How popular is Kolby in the UK?

Rank in 2025
#1,423among boys
Babies in 2025
20about 1 in 15,000 boys
Five-year trend
Steadyup 14% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 20 boys in the UK were named Kolby, making it the 1,423rd most popular name for boys. Five years earlier, in 2020, it was 1,105th. Its busiest year was 2023, with 37 boys.

Half of all the boys named Kolby in the UK since 1996 were born between 2015 and 2023, the years shaded on the chart below.

In 2025, 31 boys in the UK were given Kolby or a name that sounds the same. With every name's spellings counted this way, that ranks #931, up from #1,423 for this spelling alone.

Among boys in 2025, it was 1,358th in England and Wales.

2005Busiest: 37 in 20232025
Kolby in the UK, year by year
YearBoysRank
202520#1,423
202423#1,263
202337#930
202218#1,501
202124#1,227
202027#1,105
201921#1,302
201822#1,280
20176#3,191
201613#1,909
201515#1,693
201418#1,454
201320#1,347
20127#2,849
20115#3,446
20100–
20099#2,241
20080–
20070–
20060–
20053#3,992

How popular is Kolby in the US?

Rank in 2025
#1,222among boys
Babies in 2025
165about 1 in 10,000 boys
Five-year trend
Steadydown 3% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 165 boys in the US were named Kolby, making it the 1,222nd most popular name for boys. Five years earlier, in 2020, it was 1,144th. Its busiest year was 2001, with 739 boys. It first appears in the records in 1968. 42 girls were also named Kolby in 2025 (3,576th for girls).

Half of all the boys named Kolby in the US since 1880 were born between 1998 and 2011, the years shaded on the chart below.

In 2025, 258 boys in the US were given Kolby or a name that sounds the same. With every name's spellings counted this way, that ranks #847, up from #1,222 for this spelling alone.

In 2025, 20% of the babies named Kolby in the US were girls.

1968Busiest: 739 in 20012025
Kolby in the US, year by year
YearBoysRank
2025165#1,222
2024156#1,262
2023167#1,197
2022159#1,237
2021151#1,262
2020170#1,144
2019153#1,234
2018182#1,086
2017166#1,141
2016219#950
2015272#828
2014300#776
2013304#749
2012286#791
2011325#705
2010344#684
2009371#662
2008401#618
2007378#642
2006341#669
2005387#585
2004497#493
2003543#464
2002676#384
2001739#359
2000396#542
1999407#521
1998361#550
1997274#628
1996244#672
1995267#630
1994215#712
1993191#754
1992212#703
1991205#704
1990155#815
1989119#929
1988108#915
1987106#913
198683#1,014
198590#962
198450#1,319
198351#1,295
198250#1,319
198120#2,417
198035#1,655
197924#2,104
197821#2,205
197719#2,361
197620#2,244
197518#2,360
197420#2,129
197315#2,511
197212#2,817
19715#4,905
19700–
19690–
19685#4,135

Names like Kolby

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Kolby

Names related to Kolby

More English names

Every English name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Kolby: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kolby, updated 20 October 2026.