Total births
945
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.
- #3193
- among boys today
- 945
- born since 1983
- 2010s
- peak decade
- 78%
- more common than other boys
Kailen currently ranks #3193 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 #3193 nationally and more common than 78% 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.
- #3193 among boys today
- 945 born since 1983
- 2010s peak decade
- 78% more common than other boys
Data updated Jun 2026
The verdict
Kailen is currently the #3193 unisex name in America, more common than 78% of boys - 945 born since 1983, peaking in the 2010s.
- #3193
- among boys today
- 945
- born since 1983
- 2010s
- peak decade
- 78%
- more common than other boys
Kailen vs. every other boys name in current SSA rankings
#3193
of 14,294 boys in use
More common than 78% of names given to boys today.
2010s
Peak decade
31% of everyone ever named Kailen was born in this single decade.
2023
Single peak year
43 babies were named Kailen in 2023 - its busiest year on record.
How Kailen compares
945 Top 32% higher than 68% 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
Kailen's all-time total is 157% above the median boys name, and Liam still leads by a wide margin.
| Metric | Kailen | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 945 | 367 | 358,536 |
| Peak-year births | 43 | 23 | 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 at a glance
Outside the top 1,000Peak year
2023
Current rank
#3,193
Active since
1983
Kailen popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1983–2025
- Peak year (2023)
- 43
- Annual births at peak, across 43 years of records
Kailen popularity over time - girls
728 total births recorded since 1984 (Kailen as girls' name)
Kailen by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1980s 19
1980s
19 births
- 1990s
1990s
134 births
- 2000s
2000s
290 births
- 2010s
2010s
295 births
- 2020s
2020s
207 births
What this shows Peak: 2010s at 295 births (31% of all-time use).
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
Kailen by state
Where Kailen concentrates geographically, total births since 1983
| 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. Among boys, it ranks #3193 as of the latest data. 43 babies were born in 2023, its single highest year.
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
- 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 Kailen
Nearby Names Like Kailen
Names with a similar sound, spelling, or feel to Kailen
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 Kailen side by side: Kailen vs Kai Kailen vs Kaiden Kailen vs Kairo
Related Names
Names with a similar popularity rank to Kailen
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, 1983–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kailen: #3193 Unisex Name - 945 Births, Peak 2023." NameAlmanac. Accessed via https://namealmanac.com/name/kailen. 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 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 June 2026.