Girls' name · since 1990

Cailynn

Since 1990, U.S. Social Security records show 1,183 babies named Cailynn, peaking in 2009. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#6,682 of 72,339
all-time among girls
#6,674 of 17,297
2025 SSA year
1,183
born since 1990
2010s
peak decade

Yes -- Cailynn is the #6674 most popular girls' name in the U.S. today, with 1,183 recorded since 1990.

According to the U.S. Social Security Administration, Cailynn has been recorded 1,183 times among girls since 1990, currently ranked #6674 nationally and more common than 61% of girls, 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 1990 to 2025.

  • #6,682 of 72,339 all-time among girls
  • #6,674 of 17,297 2025 SSA year
  • 1,183 born since 1990
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cailynn ranks #6,682 of 72,339 girls' names by all-time recorded births (highest first) and #6,674 of 17,297 among girls' names in 2025. 1,183 born since 1990, peaking in the 2010s.

#6,682 of 72,339
all-time among girls
#6,674 of 17,297
2025 SSA year
1,183
born since 1990
2010s
peak decade
0%100%Median name50%61.4%
Cailynn vs. every other girls name in current SSA rankings
Above the archive median
All-time archive position

Cailynn's 1,183 recorded births place it above 90.75% of the 72,339 girls names in the full SSA archive.

9 jurisdictions
State-record footprint

9 jurisdictions carry state-level records, led by Texas.

How Cailynn compares

1,183 Top 30% higher than 70% 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

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

Metric Cailynn Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 1,183 376 567,345
Peak-year births 68 21 19,840

Cailynn's usage pattern, beyond the headline number

Splitting Cailynn's full recorded timeline at 2008, 68% of its total births fall in the more recent half of the record versus 32% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1990, with just 5 recorded births -- worth weighing against the 2009 peak of 68 to see the full range of the name's swing in popularity.

Cailynn popularity over time

Annual U.S. births registered with the Social Security Administration · 1990–2025

Outside the top 1,000
Peak year (2009)
68
Annual births at peak, across 36 years of records
020406080 19901996200120062011201620212025 17

Cailynn by decade

2010s is the heaviest window (529 births, 45% of the file).

2010s was Cailynn's strongest decade.

529 babies received the name during that ten-year window, about 45% of all-time use.

Cailynn births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 529 births (45% of all-time use).

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

How Cailynn 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 Cailynn's total volume

Cailynn vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%10%20%30% 050100150 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 -72, 4.6%-83, 5.5%-84, 2.7%-103, 2.3%-29, 25.9%-108, 8.7%-36, 7.9%-45, 4.8%-22, 9.2%-79, 3.5%-99, 3.1%-56, 3.6%-28, 9.9%-29, 7%-124, 4.2%Cailynn-36, 5.7%Cailynn
Cailynn vs 15 similarly-sized girls names

Cailynn by state

Where Cailynn concentrates geographically, total births since 1990

Geographically diffuse
Top 8 states by recorded births for the name Cailynn
Rank State Visual share Births Share of total
#1 Texas
66 5.6%
#2 Florida
40 3.4%
#3 California
24 2.0%
#4 Ohio
20 1.7%
#5 North Carolina
11 0.9%
#6 Arizona
5 0.4%
#7 Georgia
5 0.4%
#8 Louisiana
5 0.4%
Texas share of Cailynn's total US births 5.6%
Even split

66 of 1,183 births nationwide. Compared to a flat distribution across 9 reporting states.

Cailynn appears in 9 states. Explore state details →

Frequently Asked Questions

How popular is the name Cailynn?
Cailynn has been given to 1,183 babies in the U.S. since 1990, according to SSA data. Its archive ordinal is #6,682 of 72,339 among girls' names (total births, highest first). Among girls in 2025, it is #6,674 of 17,297. 68 babies were born in 2009, its single highest year.
Where does Cailynn sit in the SSA name archive?
According to the U.S. Social Security Administration, Cailynn ranks #6,682 of 72,339 girls' names by all-time recorded births (highest first) and #6,674 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 Cailynn most popular?
Cailynn was most popular in the 2010s decade with 529 total births. The single peak year was 2009.
Where is Cailynn most popular?
The top states for the name Cailynn are Texas (66 births), Florida (40 births), California (24 births).
How long has the name Cailynn been used?
Records for Cailynn go back to 1990, giving 36 years of history through 2025.
What names are similar to Cailynn?
Names with a similar sound or spelling include Caitlin, Caitlyn, Cailyn, Caitlynn, and 4 more. These share a common prefix and are also used for girls.

What to do with Cailynn's data

  • Cailynn's decade-level peak was the 2010s (529 total births); usage has since declined to 145 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Cailynns (66 births) -- see the full state breakdown if geography matters to your decision. Texas names

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

Keep exploring Cailynn

Nearby Names Like Cailynn

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

Names with a similar popularity rank to Cailynn

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cailynn: 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, 1990–2025 (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 Cailynn 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.