Unisex name · since 1983

Kailen

Kailen has 945 recorded births since 1983 in federal Social Security data, most heavily in 2023 -- full year-by-year trend, decade aggregates, and state rankings follow.

#5,317 of 45,481
all-time among boys
#4,470 of 13,930
2025 SSA year
945
born since 1983
2010s
peak decade

Kailen currently ranks #4470 among unisex names in America, with 945 babies recorded since 1983.

According to the U.S. Social Security Administration, Kailen has been recorded 945 times among boys since 1983, currently ranked #4470 nationally and more common than 68% 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 1983 to 2025.

  • #5,317 of 45,481 all-time among boys
  • #4,470 of 13,930 2025 SSA year
  • 945 born since 1983
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kailen ranks #5,317 of 45,481 boys' names by all-time recorded births (highest first) and #4,470 of 13,930 among boys' names in 2025. 945 born since 1983, peaking in the 2010s.

#5,317 of 45,481
all-time among boys
#4,470 of 13,930
2025 SSA year
945
born since 1983
2010s
peak decade
0%100%Median name50%67.9%
Kailen vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Kailen's 945 recorded births place it above 88.3% of the 45,481 boys names in the full SSA archive.

4 jurisdictions
State-record footprint

The state file records this name in 4 jurisdictions, led by California.

How Kailen compares

945 Top 33% higher than 67% 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

Kailen's all-time total is 156% above the median boys name, and Liam still leads by a wide margin.

Metric Kailen Median boys name (Takari) #1 boys name (Liam)
All-time total births 945 369 358,536
Peak-year births 43 34 22,252

Kailen's usage pattern, beyond the headline number

Divide Kailen's SSA record in two at 2007 and the more recent half accounts for 63% of all births, the earlier half the remaining 37%, consistent with a name still gaining ground rather than fading. Its calmest year was 1983, with only 5 births recorded -- set against the 2023 peak of 43, that's the full swing in one name's fortunes.

Kailen popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1983–2025

Outside the top 1,000
Peak year (2023)
43
Annual births at peak, across 43 years of records
01020304050 198319921998200320082013201820232025 23

Kailen popularity over time - girls

728 total births recorded since 1984 (Kailen as girls' name)

Unisex variant - 728 births
01020304050 198419901995200020052010201520202024 5

Kailen by decade

2010s is the heaviest window (295 births, 31% of the file).

2010s was Kailen's strongest decade.

295 babies received the name during that ten-year window, about 31% of all-time use.

Kailen births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 295 births (31% of all-time use).

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

How Kailen 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 Kailen's total volume

Kailen vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20% 20406080100120 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 -37, 10.4%-56, 4.9%-26, 15.5%-113, 5.3%-54, 4.1%-52, 6.5%-58, 3.8%-62, 4.9%-53, 5.5%-35, 10.1%-53, 4.6%-47, 5.1%-38, 5.3%-34, 7.4%-113, 10.2%Kailen-43, 4.6%Kailen
Kailen vs 15 similarly-sized boys names

Kailen by state

Where Kailen concentrates geographically, total births since 1983

Geographically diffuse
Top 4 states by recorded births for the name Kailen
Rank State Visual share Births Share of total
#1 California
52 5.5%
#2 Texas
22 2.3%
#3 Florida
5 0.5%
#4 Georgia
5 0.5%
California share of Kailen's total US births 5.5%
Even split

52 of 945 births nationwide. Compared to a flat distribution across 4 reporting states.

Frequently Asked Questions

How popular is the name Kailen?
Kailen has been given to 945 babies in the U.S. since 1983, according to SSA data. Its archive ordinal is #5,317 of 45,481 among boys' names (total births, highest first). Among boys in 2025, it is #4,470 of 13,930. 43 babies were born in 2023, its single highest year.
Where does Kailen sit in the SSA name archive?
According to the U.S. Social Security Administration, Kailen ranks #5,317 of 45,481 boys' names by all-time recorded births (highest first) and #4,470 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Kailen most popular?
Kailen was most popular in the 2010s decade with 295 total births. The single peak year was 2023.
Where is Kailen most popular?
The top states for the name Kailen are California (52 births), Texas (22 births), Florida (5 births).
Is Kailen a unisex name?
Yes, Kailen is used for both boys and girls. As a boy's name it has 945 births, and as a girl's name it has 728 births.
How long has the name Kailen been used?
The SSA has tracked Kailen since 1983 -- 43 years through the most recent 2025 data.
What names are similar to Kailen?
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 Kailen's data

  • Kailen's usage has stayed within range of its 2010s decade-level peak (295 total births) through the 2020s (207) -- a comparatively stable name, not a fading trend.
  • California records the most Kailens (52 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Kailen

Nearby Names Like Kailen

Names with a similar sound, spelling, or feel to Kailen

Names with a similar popularity rank to Kailen

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kailen: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1983–2025 (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 Kailen 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.