Total births
1,307
Unisex name · since 1999
Kaydin
Kaydin has 1,307 recorded births since 1999 in federal Social Security data, most heavily in 2010 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #4405
- among boys today
- 1,307
- born since 1999
- 2010s
- peak decade
- 69%
- more common than other boys
Kaydin currently ranks #4405 among unisex names in America, with 1,307 babies recorded since 1999.
Kaydin has 1,307 recorded births among boys since 1999, per the U.S. Social Security Administration, ranked #4405 as of the latest data, more common than 69% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1999 to 2025.
- #4405 among boys today
- 1,307 born since 1999
- 2010s peak decade
- 69% more common than other boys
Data updated Jun 2026
The verdict
Kaydin is currently the #4405 unisex name in America, more common than 69% of boys - 1,307 born since 1999, peaking in the 2010s.
- #4405
- among boys today
- 1,307
- born since 1999
- 2010s
- peak decade
- 69%
- more common than other boys
Kaydin vs. every other boys name in current SSA rankings
#4405
of 14,294 boys in use
More common than 69% of names given to boys today.
2010s
Peak decade
52% of everyone ever named Kaydin was born in this single decade.
2010
Single peak year
101 babies were named Kaydin in 2010 - its busiest year on record.
How Kaydin compares
1,307 Top 27% higher than 73% of 14,294 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
Kaydin's all-time total is 4x the median boys name, and Liam still leads by a wide margin.
| Metric | Kaydin | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 1,307 | 367 | 358,536 |
| Peak-year births | 101 | 23 | 22,252 |
Kaydin's usage pattern, beyond the headline number
Splitting Kaydin's full recorded timeline at 2012, 48% of its total births fall in the more recent half of the record versus 52% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1999, with just 5 recorded births -- worth weighing against the 2010 peak of 101 to see the full range of the name's swing in popularity.
Kaydin at a glance
Outside the top 1,000Peak year
2010
Current rank
#4,405
Active since
1999
Kaydin popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1999–2025
- Peak year (2010)
- 101
- Annual births at peak, across 27 years of records
Kaydin popularity over time - girls
545 total births recorded since 1999 (Kaydin as girls' name)
Kaydin by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Kaydin's strongest decade.
675 babies received the name during that ten-year window, about 52% of all-time use.
Kaydin births by decade
Total births in each ten-year window
- 1990s 5
1990s
5 births
- 2000s
2000s
483 births
- 2010s
2010s
675 births
- 2020s 144
2020s
144 births
What this shows Peak: 2010s at 675 births (52% of all-time use).
How Kaydin 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 Kaydin's total volume
Kaydin vs 15 similarly-sized boys names
Kaydin by state
Where Kaydin concentrates geographically, total births since 1999
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 66 | 5.0% |
| #2 | Texas | | 47 | 3.6% |
| #3 | New York | | 36 | 2.8% |
| #4 | Pennsylvania | | 27 | 2.1% |
| #5 | Washington | | 22 | 1.7% |
| #6 | Ohio | | 21 | 1.6% |
| #7 | Florida | | 17 | 1.3% |
| #8 | Indiana | | 12 | 0.9% |
California share of Kaydin's total US births 5.0%
Even split
66 of 1,307 births nationwide. Compared to a flat distribution across 15 reporting states.
Kaydin appears in 15 states. Explore state details →
Frequently Asked Questions
How popular is the name Kaydin? ▼
1,307 babies have been named Kaydin since 1999. It currently ranks #4405 among boys. The peak year was 2010 with 101 births.
When was Kaydin most popular? ▼
Kaydin was most popular in the 2010s decade with 675 total births. The single peak year was 2010.
Where is Kaydin most popular? ▼
The top states for the name Kaydin are California (66 births), Texas (47 births), New York (36 births).
Is Kaydin a unisex name? ▼
Yes, Kaydin is used for both boys and girls. As a boy's name it has 1,307 births, and as a girl's name it has 545 births.
How long has the name Kaydin been used? ▼
The SSA has tracked Kaydin since 1999 -- 27 years through the most recent 2025 data.
What names are similar to Kaydin? ▼
Names with a similar sound or spelling include Kayden, Kayson, Kaysen, Kay, and 4 more. These share a common prefix and are also used for boys.
What to do with Kaydin's data
- Kaydin's decade-level peak was the 2010s (675 total births); usage has since declined to 144 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Kaydins (66 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kaydin
Nearby Names Like Kaydin
Names with a similar sound, spelling, or feel to Kaydin
Kayden Boy
#125 73,606 births
Kayson Boy
#291 15,201 births
Kaysen Boy
#597 6,640 births
Kay Boy
#6208 3,924 births
Kayce Boy
#419 3,316 births
Compare Kaydin side by side: Kaydin vs Kayden Kaydin vs Kayson Kaydin vs Kaysen
Related Names
Names with a similar popularity rank to Kaydin
Data Sources
Data as of June 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, 1999–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kaydin: #4405 Unisex Name - 1,307 Births, Peak 2010." NameAlmanac. Accessed via https://namealmanac.com/name/kaydin. Licensed CC BY-SA 4.0.
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 Kaydin 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 June 2026.