Kolby
4 countries#1222 in United States, 2025Popularity across 4 countries
Each line is scaled to its own peak, so you can compare when Kolby was in fashion in each country, whatever the population size.
Country by country
🇺🇸 United States
13,001 births recorded 1968–2025 · currently #1222 · peaked in 2001 with 781 births
Most common in: Texas, California, Utah, Florida, Louisiana
Source: Social Security Administration, official birth-registration data
🇬🇧 United Kingdom
199 births recorded 2005–2024 · peaked in 2020 with 26 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
🏴🏴 England & Wales
160 births recorded 2005–2021 · currently #1329 · peaked in 2020 with 26 births
Source: Office for National Statistics, official birth-registration data
🏴 Scotland
31 births recorded 2014–2024 · peaked in 2014 with 7 births
Source: National Records of Scotland, official birth-registration data
Northern Ireland
8 births recorded 2013–2023 · peaked in 2023 with 5 births
Source: NISRA, official birth-registration data
United States rank history
Kolby’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2006 | #669 | — |
| 2007 | #642 | ↑27 |
| 2008 | #618 | ↑24 |
| 2009 | #662 | ↓44 |
| 2010 | #684 | ↓22 |
| 2011 | #705 | ↓21 |
| 2012 | #791 | ↓86 |
| 2013 | #749 | ↑42 |
| 2014 | #776 | ↓27 |
| 2015 | #828 | ↓52 |
| 2016 | #950 | ↓122 |
| 2017 | #1141 | ↓191 |
| 2018 | #1086 | ↑55 |
| 2019 | #1234 | ↓148 |
| 2020 | #1144 | ↑90 |
| 2021 | #1262 | ↓118 |
| 2022 | #1237 | ↑25 |
| 2023 | #1197 | ↑40 |
| 2024 | #1262 | ↓65 |
| 2025 | #1222 | ↑40 |
Frequently asked questions about Kolby
Is Kolby a popular name?
Yes — Kolby currently ranks #1222 among boys’ names in United States as of 2025, based on official birth records.
Is Kolby more common for boys or girls?
Kolby is recorded predominantly as a boys’ name in official United States birth data.
When was Kolby most popular?
Kolby peaked in 2001 in United States, with 781 recorded births that year.
Is Kolby rising or falling in popularity?
In United States, Kolby’s popularity is rising — its rank has improved from #4136 in 1968 to #1222 in 2025.
How many babies have been named Kolby?
At least 13,200 babies have been recorded with the name Kolby across official birth statistics in 4 countries.
Is Kolby popular in more than one country?
Yes — Kolby appears in official birth records in 4 countries: United States, England & Wales, Scotland, Northern Ireland.
What names are similar in popularity to Kolby?
Based on real 2025 ranking data in United States, names ranked closest to Kolby include Elmer, Ezio, Wiley, Aziah.
Similar names right now
Ranked directly next to Kolby in United States, 2025 — a real popularity match, not a subjective list.