Unisex name · since 1981

Kailin

Kailin has 1,221 recorded births since 1981 in federal Social Security data, most heavily in 1997 -- full year-by-year trend, decade aggregates, and state rankings follow.

#6,533 of 72,339
all-time among girls
#7,249 of 17,297
2025 SSA year
1,221
born since 1981
2000s
peak decade

1,221 babies have been named Kailin since 1981, making it today's #7249 unisex name.

Kailin has 1,221 recorded births among girls since 1981, per the U.S. Social Security Administration, ranked #7249 as of the latest data, more common than 58% 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 1981 to 2025.

  • #6,533 of 72,339 all-time among girls
  • #7,249 of 17,297 2025 SSA year
  • 1,221 born since 1981
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kailin ranks #6,533 of 72,339 girls' names by all-time recorded births (highest first) and #7,249 of 17,297 among girls' names in 2025. 1,221 born since 1981, peaking in the 2000s.

#6,533 of 72,339
all-time among girls
#7,249 of 17,297
2025 SSA year
1,221
born since 1981
2000s
peak decade
0%100%Median name50%58%
Kailin vs. every other girls name in current SSA rankings
Above the archive median
All-time archive position

Kailin's 1,221 recorded births place it above 90.96% of the 72,339 girls names in the full SSA archive.

7 jurisdictions
State-record footprint

7 jurisdictions carry state-level records, led by California.

How Kailin compares

1,221 Top 29% higher than 71% 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

Kailin's all-time total is 3x the median girls name, and Olivia still leads by a wide margin.

Metric Kailin Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 1,221 376 567,345
Peak-year births 57 21 19,840

Kailin's usage pattern, beyond the headline number

Splitting Kailin's full recorded timeline at 2003, 51% of its total births fall in the more recent half of the record versus 49% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1986, with just 5 recorded births -- worth weighing against the 1997 peak of 57 to see the full range of the name's swing in popularity.

Kailin popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1981–2025

Outside the top 1,000
Peak year (1997)
57
Annual births at peak, across 45 years of records
0204060 198119871993199920052011201720232025 15

Kailin popularity over time - boys

189 total births recorded since 1991 (Kailin as boys' name)

Unisex variant - 189 births
4681012 19911996200420082014201920232024 7

Kailin by decade

2000s is the heaviest window (436 births, 36% of the file).

2000s was Kailin's strongest decade.

436 babies received the name during that ten-year window, about 36% of all-time use.

Kailin births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 436 births (36% of all-time use).

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

How Kailin 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 Kailin's total volume

Kailin vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%10%20%30%40%50% 050100150200 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 -15, 47.4%-142, 3.8%-46, 5.2%-43, 7.5%-30, 14.6%-35, 4.6%-29, 8.4%-49, 5.7%-112, 2.5%-145, 3.1%-134, 2.6%-71, 3.7%-28, 6.7%-111, 4.2%-142, 3.4%Kailin-45, 4.7%Kailin
Kailin vs 15 similarly-sized girls names

Kailin by state

Where Kailin concentrates geographically, total births since 1981

Geographically diffuse
Top 7 states by recorded births for the name Kailin
Rank State Visual share Births Share of total
#1 California
67 5.5%
#2 New York
17 1.4%
#3 Pennsylvania
10 0.8%
#4 Arizona
5 0.4%
#5 Illinois
5 0.4%
#6 Indiana
5 0.4%
#7 Texas
5 0.4%
California share of Kailin's total US births 5.5%
Even split

67 of 1,221 births nationwide. Compared to a flat distribution across 7 reporting states.

Frequently Asked Questions

How popular is the name Kailin?
Since 1981, Social Security records show 1,221 babies named Kailin. Across the full SSA archive it ranks #6,533 of 72,339 girls' names by total births. In 2025, it holds #7,249 of 17,297 among girls. Its busiest year on record was 1997, with 57 births.
Where does Kailin sit in the SSA name archive?
According to the U.S. Social Security Administration, Kailin ranks #6,533 of 72,339 girls' names by all-time recorded births (highest first) and #7,249 of 17,297 among girls' 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 Kailin most popular?
Kailin was most popular in the 2000s decade with 436 total births. The single peak year was 1997.
Where is Kailin most popular?
The top states for the name Kailin are California (67 births), New York (17 births), Pennsylvania (10 births).
Is Kailin a unisex name?
Yes, Kailin is used for both boys and girls. As a girl's name it has 1,221 births, and as a boy's name it has 189 births.
How long has the name Kailin been used?
The SSA has tracked Kailin since 1981 -- 45 years through the most recent 2025 data.
What names are similar to Kailin?
Names with a similar sound or spelling include Kaitlyn, Kaitlin, Kailey, Kaia, and 4 more. These share a common prefix and are also used for girls.

What to do with Kailin's data

  • Kailin's decade-level peak was the 2000s (436 total births); usage has since declined to 90 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Kailins (67 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 Kailin

Nearby Names Like Kailin

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

Names with a similar popularity rank to Kailin

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kailin: 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, 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 Kailin 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.