Kolby
3 countries#1222 in United States, 2025US
#1222
in United States, 2025
SCOT
31
total births, Scotland
NI
8
total births, Northern Ireland
Total births recorded
13,040
Peak year (United States)
2001
Peak-year count
781
First recorded
1968
Popularity across 3 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.
United StatesScotlandNorthern Ireland
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
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 |
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