Unisex name · since 2000

Caidyn

Caidyn has 830 recorded births since 2000 in federal Social Security data, most heavily in 2011 -- full year-by-year trend, decade aggregates, and state rankings follow.

#4281
among boys today
830
born since 2000
2010s
peak decade
70%
more common than other boys

830 babies have been named Caidyn since 2000, making it today's #4281 unisex name.

According to the U.S. Social Security Administration, Caidyn has been recorded 830 times among boys since 2000, currently ranked #4281 nationally and more common than 70% of boys, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2000 to 2025.

  • #4281 among boys today
  • 830 born since 2000
  • 2010s peak decade
  • 70% more common than other boys

Data updated Jun 2026

The verdict

Caidyn is currently the #4281 unisex name in America, more common than 70% of boys - 830 born since 2000, peaking in the 2010s.

#4281
among boys today
830
born since 2000
2010s
peak decade
70%
more common than other boys

Caidyn vs. every other boys name in current SSA rankings

0%100%Median name50%70%
Caidyn vs. every other boys name in current SSA rankings
#4281
of 14,294 boys in use

More common than 70% of names given to boys today.

2010s
Peak decade

54% of everyone ever named Caidyn was born in this single decade.

2011
Single peak year

64 babies were named Caidyn in 2011 - its busiest year on record.

How Caidyn compares

830 Top 34% higher than 66% 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

Caidyn's all-time total is 126% above the median boys name, and Liam still leads by a wide margin.

Metric Caidyn Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 830 367 358,536
Peak-year births 64 23 22,252

Caidyn's usage pattern, beyond the headline number

Caidyn splits its recorded history at 2013: 50% of all births land in the more recent half, 50% in the earlier half, an evenly balanced pattern over time. The single quietest year was 2000 (5 births) -- compare that against the 2011 peak of 64 for a sense of just how much the name's popularity has swung.

Caidyn at a glance

Outside the top 1,000

Total births

830

Since 2000

26 years of records

Peak year

2011

64 births that year

Strongest decade: 2010s

Current rank

#4,281

Among boys

As of 2025

Active since

2000

Recorded for 26 years

Last year on file: 2025

Caidyn popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 2000–2025

Outside the top 1,000
Peak year (2011)
64
Annual births at peak, across 26 years of records
020406080 2000200520092013201720212025 23

Caidyn popularity over time - girls

440 total births recorded since 1999 (Caidyn as girls' name)

Unisex variant - 440 births
01020304050 19992003200720112015201920232024 5

Caidyn by decade

Total births in each ten-year window, peak vs trough at a glance

2010s was Caidyn's strongest decade.

451 babies received the name during that ten-year window, about 54% of all-time use.

Caidyn births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 451 births (54% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

How Caidyn 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 Caidyn's total volume

Caidyn vs 15 similarly-sized boys names

Caidyn vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Caidyn
Caidyn vs 15 similarly-sized boys names

Caidyn by state

Where Caidyn concentrates geographically, total births since 2000

Geographically diffuse
Top 8 states by recorded births for the name Caidyn
Rank State Visual share Births Share of total
#1 Texas
48 5.8%
#2 Florida
22 2.7%
#3 Georgia
18 2.2%
#4 Illinois
10 1.2%
#5 Tennessee
10 1.2%
#6 Ohio
7 0.8%
#7 Indiana
6 0.7%
#8 California
5 0.6%
Texas share of Caidyn's total US births 5.8%
Even split

48 of 830 births nationwide. Compared to a flat distribution across 12 reporting states.

Caidyn appears in 12 states. Explore state details →

Frequently Asked Questions

How popular is the name Caidyn?
Since 2000, Social Security records show 830 babies named Caidyn. Today it holds rank #4281 among boys. Its busiest year on record was 2011, with 64 births.
When was Caidyn most popular?
Caidyn was most popular in the 2010s decade with 451 total births. The single peak year was 2011.
Where is Caidyn most popular?
The top states for the name Caidyn are Texas (48 births), Florida (22 births), Georgia (18 births).
Is Caidyn a unisex name?
Yes, Caidyn is used for both boys and girls. As a boy's name it has 830 births, and as a girl's name it has 440 births.
How long has the name Caidyn been used?
Caidyn has been recorded in Social Security data since 2000, spanning 26 years of data through 2025.
What names are similar to Caidyn?
Names with a similar sound or spelling include Caiden, Cairo, Cain, Caius, and 4 more. These share a common prefix and are also used for boys.

What to do with Caidyn's data

  • Caidyn's decade-level peak was the 2010s (451 total births); usage has since declined to 143 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Caidyns (48 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.

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, 2000–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Caidyn: #4281 Unisex Name - 830 Births, Peak 2011." NameAlmanac. Accessed via https://namealmanac.com/name/caidyn. 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 Caidyn 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.