Total births
15,566
Girls' name · since 1959
Kaelyn
Kaelyn has 15,566 recorded births since 1959 in federal Social Security data, most heavily in 2009 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #1640
- among girls today
- 15,566
- born since 1959
- 2000s
- peak decade
- 91%
- more common than other girls
15,566 babies have been named Kaelyn since 1959, making it today's #1640 girls' name.
Kaelyn has 15,566 recorded births among girls since 1959, per the U.S. Social Security Administration, ranked #1640 as of the latest data, more common than 91% of girls, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1959 to 2025.
- #1640 among girls today
- 15,566 born since 1959
- 2000s peak decade
- 91% more common than other girls
Data updated Jun 2026
The verdict
Kaelyn is currently the #1640 girls' name in America, more common than 91% of girls - 15,566 born since 1959, peaking in the 2000s.
- #1640
- among girls today
- 15,566
- born since 1959
- 2000s
- peak decade
- 91%
- more common than other girls
Kaelyn vs. every other girls name in current SSA rankings
#1640
of 17,726 girls in use
More common than 91% of names given to girls today.
2000s
Peak decade
42% of everyone ever named Kaelyn was born in this single decade.
2009
Single peak year
997 babies were named Kaelyn in 2009 - its busiest year on record.
How Kaelyn compares
15,566 Top 7% higher than 93% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls 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
Kaelyn's all-time total is 41x the median girls name, and Olivia still leads by a wide margin.
| Metric | Kaelyn | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 15,566 | 382 | 567,345 |
| Peak-year births | 997 | 48 | 19,840 |
Kaelyn's usage pattern, beyond the headline number
Divide Kaelyn's SSA record in two at 2000 and the more recent half accounts for 84% of all births, the earlier half the remaining 16%, consistent with a name still gaining ground rather than fading. Its calmest year was 1959, with only 5 births recorded -- set against the 2009 peak of 997, that's the full swing in one name's fortunes.
Kaelyn at a glance
Outside the top 1,000Peak year
2009
Current rank
#1,640
Active since
1959
Kaelyn popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1959–2025
- Peak year (2009)
- 997
- Annual births at peak, across 67 years of records
Kaelyn popularity over time - boys
82 total births recorded since 1995 (Kaelyn as boys' name)
Kaelyn by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Kaelyn's strongest decade.
6,463 babies received the name during that ten-year window, about 42% of all-time use.
Kaelyn births by decade
Total births in each ten-year window
- 1950s 5
1950s
5 births
- 1960s 25
1960s
25 births
- 1970s 10
1970s
10 births
- 1980s 378
1980s
378 births
- 1990s 2,139
1990s
2,139 births
- 2000s
2000s
6,463 births
- 2010s
2010s
5,597 births
- 2020s 949
2020s
949 births
What this shows Peak: 2000s at 6,463 births (42% of all-time use).
How Kaelyn compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Kaelyn's total volume
Kaelyn vs 15 similarly-sized girls names
Kaelyn by state
Where Kaelyn concentrates geographically, total births since 1959
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 1,645 | 10.6% |
| #2 | Texas | | 1,262 | 8.1% |
| #3 | New York | | 801 | 5.1% |
| #4 | Florida | | 770 | 4.9% |
| #5 | Ohio | | 599 | 3.8% |
| #6 | Pennsylvania | | 598 | 3.8% |
| #7 | Illinois | | 531 | 3.4% |
| #8 | Georgia | | 511 | 3.3% |
California share of Kaelyn's total US births 10.6%
Even split
1,645 of 15,566 births nationwide. Compared to a flat distribution across 46 reporting states.
Kaelyn appears in 46 states. Explore state details →
Frequently Asked Questions
How popular is the name Kaelyn? ▼
Kaelyn has been given to 15,566 babies in the U.S. since 1959, according to SSA data. Among girls, it ranks #1640 as of the latest data. 997 babies were born in 2009, its single highest year.
When was Kaelyn most popular? ▼
Kaelyn was most popular in the 2000s decade with 6,463 total births. The single peak year was 2009.
Where is Kaelyn most popular? ▼
The top states for the name Kaelyn are California (1,645 births), Texas (1,262 births), New York (801 births).
How long has the name Kaelyn been used? ▼
The SSA has tracked Kaelyn since 1959 -- 67 years through the most recent 2025 data.
What names are similar to Kaelyn? ▼
Names with a similar sound or spelling include Kaela, Kaelynn, Kaeli, Kaelin, and 4 more. These share a common prefix and are also used for girls.
What to do with Kaelyn's data
- Kaelyn's decade-level peak was the 2000s (6,463 total births); usage has since declined to 949 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Kaelyns (1,645 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 Kaelyn
Nearby Names Like Kaelyn
Names with a similar sound, spelling, or feel to Kaelyn
Kaela Girl
#5338 6,358 births
Kaelynn Girl
#2037 5,052 births
Kaeli Girl
#769 3,447 births
Kaelin Girl
2,737 births
Kaeleigh Girl
#11420 1,426 births
Compare Kaelyn side by side: Kaelyn vs Kaela Kaelyn vs Kaelynn Kaelyn vs Kaeli
Related Names
Names with a similar popularity rank to Kaelyn
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, 1959–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kaelyn: #1640 Girls' Name - 15,566 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/kaelyn. 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 Kaelyn 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.