Girls' name · since 1981
Kailyn
Kailyn has 14,211 recorded births since 1981 in federal Social Security data, most heavily in 2011 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #1,329 of 72,339
- all-time among girls
- #1,827 of 17,297
- 2025 SSA year
- 14,211
- born since 1981
- 2000s
- peak decade
Yes -- Kailyn is the #1827 most popular girls' name in the U.S. today, with 14,211 recorded since 1981.
According to the U.S. Social Security Administration, Kailyn has been recorded 14,211 times among girls since 1981, currently ranked #1827 nationally and more common than 89% of girls, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1981 to 2025.
- #1,329 of 72,339 all-time among girls
- #1,827 of 17,297 2025 SSA year
- 14,211 born since 1981
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Kailyn ranks #1,329 of 72,339 girls' names by all-time recorded births (highest first) and #1,827 of 17,297 among girls' names in 2025. 14,211 born since 1981, peaking in the 2000s.
- #1,329 of 72,339
- all-time among girls
- #1,827 of 17,297
- 2025 SSA year
- 14,211
- born since 1981
- 2000s
- peak decade
Kailyn's 14,211 recorded births place it above 98.16% of the 72,339 girls names in the full SSA archive.
46 jurisdictions carry state-level records, led by California.
How Kailyn compares
14,211 Top 8% higher than 92% of 17,297 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
Kailyn's all-time total is 38x the median girls name, and Olivia still leads by a wide margin.
| Metric | Kailyn | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 14,211 | 376 | 567,345 |
| Peak-year births | 793 | 21 | 19,840 |
Kailyn's usage pattern, beyond the headline number
Divide Kailyn's SSA record in two at 2003 and the more recent half accounts for 72% of all births, the earlier half the remaining 28%, consistent with a name still gaining ground rather than fading. Its calmest year was 1981, with only 6 births recorded -- set against the 2011 peak of 793, that's the full swing in one name's fortunes.
Kailyn popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1981–2025
- Peak year (2011)
- 793
- Annual births at peak, across 45 years of records
Kailyn popularity over time - boys
140 total births recorded since 1998 (Kailyn as boys' name)
Kailyn by decade
2000s is the heaviest window (5,584 births, 39% of the file).
2000s was Kailyn's strongest decade.
5,584 babies received the name during that ten-year window, about 39% of all-time use.
Kailyn births by decade
Total births in each ten-year window
- 1980s 349
1980s
349 births
- 1990s
1990s
2,422 births
- 2000s
2000s
5,584 births
- 2010s
2010s
4,927 births
- 2020s 929
2020s
929 births
What this shows Peak: 2000s at 5,584 births (39% of all-time use).
How Kailyn 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 Kailyn's total volume
Kailyn by state
Where Kailyn concentrates geographically, total births since 1981
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 1,327 | 9.3% |
| #2 | Texas | | 1,282 | 9.0% |
| #3 | Florida | | 826 | 5.8% |
| #4 | New York | | 772 | 5.4% |
| #5 | Georgia | | 632 | 4.4% |
| #6 | Ohio | | 564 | 4.0% |
| #7 | Illinois | | 529 | 3.7% |
| #8 | North Carolina | | 504 | 3.5% |
1,327 of 14,211 births nationwide. Compared to a flat distribution across 46 reporting states.
Kailyn appears in 46 states. Explore state details →
Frequently Asked Questions
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Where does Kailyn sit in the SSA name archive? ▼
When was Kailyn most popular? ▼
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How long has the name Kailyn been used? ▼
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What to do with Kailyn's data
- Kailyn's decade-level peak was the 2000s (5,584 total births); usage has since declined to 929 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Kailyns (1,327 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 Kailyn
Nearby Names Like Kailyn
Names with a similar sound, spelling, or feel to Kailyn
Compare Kailyn side by side: Kailyn vs Kaitlyn Kailyn vs Kaitlin Kailyn vs Kailey
Related Names
Names with a similar popularity rank to Kailyn
Nationwide names with similar peak year or record span
Two nationwide peer axes for Kailyn: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2011)
Similar record span (~44 yrs)
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, 1981–2025 (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 Kailyn 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.