Unisex name · since 1968
Kolby
Kolby has 11,650 recorded births since 1968 in federal Social Security data, most heavily in 2001 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #1,100 of 45,481
- all-time among boys
- #1,226 of 13,930
- 2025 SSA year
- 11,650
- born since 1968
- 2000s
- peak decade
11,650 babies have been named Kolby since 1968, making it today's #1226 unisex name.
Kolby has 11,650 recorded births among boys since 1968, per the U.S. Social Security Administration, ranked #1226 as of the latest data, more common than 91% of boys, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1968 to 2025.
- #1,100 of 45,481 all-time among boys
- #1,226 of 13,930 2025 SSA year
- 11,650 born since 1968
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Kolby ranks #1,100 of 45,481 boys' names by all-time recorded births (highest first) and #1,226 of 13,930 among boys' names in 2025. 11,650 born since 1968, peaking in the 2000s.
- #1,100 of 45,481
- all-time among boys
- #1,226 of 13,930
- 2025 SSA year
- 11,650
- born since 1968
- 2000s
- peak decade
Kolby's 11,650 recorded births place it above 97.58% of the 45,481 boys names in the full SSA archive.
46 jurisdictions carry state-level records, led by Texas.
How Kolby compares
11,650 Top 8% higher than 92% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Kolby's all-time total is 32x the median boys name, and Liam still leads by a wide margin.
| Metric | Kolby | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 11,650 | 369 | 358,536 |
| Peak-year births | 739 | 34 | 22,252 |
Kolby's usage pattern, beyond the headline number
Splitting Kolby's full recorded timeline at 1998, 77% of its total births fall in the more recent half of the record versus 23% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1968, with just 5 recorded births -- worth weighing against the 2001 peak of 739 to see the full range of the name's swing in popularity.
Kolby popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1968–2025
- Peak year (2001)
- 739
- Annual births at peak, across 58 years of records
Kolby popularity over time - girls
1,351 total births recorded since 1978 (Kolby as girls' name)
Kolby by decade
2000s is the heaviest window (4,729 births, 41% of the file).
2000s was Kolby's strongest decade.
4,729 babies received the name during that ten-year window, about 41% of all-time use.
Kolby births by decade
Total births in each ten-year window
- 1960s 5
1960s
5 births
- 1970s 154
1970s
154 births
- 1980s 712
1980s
712 births
- 1990s
1990s
2,531 births
- 2000s
2000s
4,729 births
- 2010s
2010s
2,551 births
- 2020s 968
2020s
968 births
What this shows Peak: 2000s at 4,729 births (41% of all-time use).
How Kolby compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Kolby's total volume
Kolby by state
Where Kolby concentrates geographically, total births since 1968
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 1,294 | 11.1% |
| #2 | California | | 475 | 4.1% |
| #3 | Utah | | 448 | 3.8% |
| #4 | Florida | | 404 | 3.5% |
| #5 | Louisiana | | 396 | 3.4% |
| #6 | Georgia | | 394 | 3.4% |
| #7 | Missouri | | 383 | 3.3% |
| #8 | Oklahoma | | 382 | 3.3% |
1,294 of 11,650 births nationwide. Compared to a flat distribution across 46 reporting states.
Kolby appears in 46 states. Explore state details →
Frequently Asked Questions
How popular is the name Kolby? ▼
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When was Kolby most popular? ▼
Where is Kolby most popular? ▼
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What names are similar to Kolby? ▼
What to do with Kolby's data
- Kolby's decade-level peak was the 2000s (4,729 total births); usage has since declined to 968 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Texas records the most Kolbys (1,294 births) -- see the full state breakdown if geography matters to your decision. Texas names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kolby
Nearby Names Like Kolby
Names with a similar sound, spelling, or feel to Kolby
Compare Kolby side by side: Kolby vs Kolton Kolby vs Kole Kolby vs Kolten
Related Names
Names with a similar popularity rank to Kolby
Nationwide names with similar peak year or record span
Two nationwide peer axes for Kolby: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2001)
Similar record span (~57 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1968–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kolby draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.