Total births
2,741
Unisex name · since 1999
Kaidyn
Kaidyn has 2,741 recorded births since 1999 in federal Social Security data, most heavily in 2014 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #1915
- among boys today
- 2,741
- born since 1999
- 2010s
- peak decade
- 87%
- more common than other boys
Kaidyn currently ranks #1915 among unisex names in America, with 2,741 babies recorded since 1999.
Kaidyn has 2,741 recorded births among boys since 1999, per the U.S. Social Security Administration, ranked #1915 as of the latest data, more common than 87% 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.
- #1915 among boys today
- 2,741 born since 1999
- 2010s peak decade
- 87% more common than other boys
Data updated Jun 2026
The verdict
Kaidyn is currently the #1915 unisex name in America, more common than 87% of boys - 2,741 born since 1999, peaking in the 2010s.
- #1915
- among boys today
- 2,741
- born since 1999
- 2010s
- peak decade
- 87%
- more common than other boys
Kaidyn vs. every other boys name in current SSA rankings
#1915
of 14,294 boys in use
More common than 87% of names given to boys today.
2010s
Peak decade
56% of everyone ever named Kaidyn was born in this single decade.
2014
Single peak year
190 babies were named Kaidyn in 2014 - its busiest year on record.
How Kaidyn compares
2,741 Top 18% higher than 82% 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
Kaidyn's all-time total is 7x the median boys name, and Liam still leads by a wide margin.
| Metric | Kaidyn | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 2,741 | 367 | 358,536 |
| Peak-year births | 190 | 23 | 22,252 |
Kaidyn's usage pattern, beyond the headline number
Divide Kaidyn's SSA record in two at 2012 and the more recent half accounts for 67% of all births, the earlier half the remaining 33%, consistent with a name still gaining ground rather than fading. Its calmest year was 1999, with only 6 births recorded -- set against the 2014 peak of 190, that's the full swing in one name's fortunes.
Kaidyn at a glance
Outside the top 1,000Peak year
2014
Current rank
#1,915
Active since
1999
Kaidyn popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1999–2025
- Peak year (2014)
- 190
- Annual births at peak, across 27 years of records
Kaidyn popularity over time - girls
1,320 total births recorded since 1998 (Kaidyn as girls' name)
Kaidyn by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Kaidyn's strongest decade.
1,544 babies received the name during that ten-year window, about 56% of all-time use.
Kaidyn births by decade
Total births in each ten-year window
- 1990s 6
1990s
6 births
- 2000s 597
2000s
597 births
- 2010s
2010s
1,544 births
- 2020s 594
2020s
594 births
What this shows Peak: 2010s at 1,544 births (56% of all-time use).
How Kaidyn 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 Kaidyn's total volume
Kaidyn vs 15 similarly-sized boys names
Kaidyn by state
Where Kaidyn concentrates geographically, total births since 1999
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 241 | 8.8% |
| #2 | Florida | | 134 | 4.9% |
| #3 | Ohio | | 99 | 3.6% |
| #4 | Michigan | | 98 | 3.6% |
| #5 | California | | 95 | 3.5% |
| #6 | North Carolina | | 90 | 3.3% |
| #7 | Georgia | | 81 | 3.0% |
| #8 | Illinois | | 79 | 2.9% |
Texas share of Kaidyn's total US births 8.8%
Even split
241 of 2,741 births nationwide. Compared to a flat distribution across 29 reporting states.
Kaidyn appears in 29 states. Explore state details →
Frequently Asked Questions
How popular is the name Kaidyn? ▼
Kaidyn has been given to 2,741 babies in the U.S. since 1999, according to SSA data. Among boys, it ranks #1915 as of the latest data. 190 babies were born in 2014, its single highest year.
When was Kaidyn most popular? ▼
Kaidyn was most popular in the 2010s decade with 1,544 total births. The single peak year was 2014.
Where is Kaidyn most popular? ▼
The top states for the name Kaidyn are Texas (241 births), Florida (134 births), Ohio (99 births).
Is Kaidyn a unisex name? ▼
Yes, Kaidyn is used for both boys and girls. As a boy's name it has 2,741 births, and as a girl's name it has 1,320 births.
How long has the name Kaidyn been used? ▼
The SSA has tracked Kaidyn since 1999 -- 27 years through the most recent 2025 data.
What names are similar to Kaidyn? ▼
Names with a similar sound or spelling include Kai, Kaiden, Kairo, Kaison, and 4 more. These share a common prefix and are also used for boys.
What to do with Kaidyn's data
- Kaidyn's usage has stayed within range of its 2010s decade-level peak (1,544 total births) through the 2020s (594) -- a comparatively stable name, not a fading trend.
- Texas records the most Kaidyns (241 births) -- see the full state breakdown if geography matters to your decision. Texas 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 Kaidyn
Nearby Names Like Kaidyn
Names with a similar sound, spelling, or feel to Kaidyn
Kai Boy
#76 70,232 births
Kaiden Boy
#208 52,562 births
Kairo Boy
#238 11,224 births
Kaison Boy
#515 7,182 births
Kaiser Boy
#801 3,921 births
Compare Kaidyn side by side: Kaidyn vs Kai Kaidyn vs Kaiden Kaidyn vs Kairo
Related Names
Names with a similar popularity rank to Kaidyn
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. "Kaidyn: #1915 Unisex Name - 2,741 Births, Peak 2014." NameAlmanac. Accessed via https://namealmanac.com/name/kaidyn. 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 Kaidyn 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.