Total births
1,183
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.
- #5085
- among girls today
- 1,183
- born since 1990
- 2010s
- peak decade
- 71%
- more common than other girls
Yes -- Cailynn is the #5085 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 #5085 nationally and more common than 71% 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.
- #5085 among girls today
- 1,183 born since 1990
- 2010s peak decade
- 71% more common than other girls
Data updated Jul 2026
The verdict
Cailynn is currently the #5085 girls' name in America, more common than 71% of girls - 1,183 born since 1990, peaking in the 2010s.
- #5085
- among girls today
- 1,183
- born since 1990
- 2010s
- peak decade
- 71%
- more common than other girls
Cailynn vs. every other girls name in current SSA rankings
#5085
of 17,726 girls in use
More common than 71% of names given to girls today.
2010s
Peak decade
45% of everyone ever named Cailynn was born in this single decade.
2009
Single peak year
68 babies were named Cailynn in 2009 - its busiest year on record.
How Cailynn compares
1,183 Top 29% higher than 71% 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
Cailynn's all-time total is 3x the median girls name, and Olivia still leads by a wide margin.
| Metric | Cailynn | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 1,183 | 382 | 567,345 |
| Peak-year births | 68 | 48 | 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 at a glance
Outside the top 1,000Peak year
2009
Current rank
#5,085
Active since
1990
Cailynn popularity over time
Annual U.S. births registered with the Social Security Administration · 1990–2025
- Peak year (2009)
- 68
- Annual births at peak, across 36 years of records
Cailynn by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1990s 123
1990s
123 births
- 2000s
2000s
386 births
- 2010s
2010s
529 births
- 2020s 145
2020s
145 births
What this shows Peak: 2010s at 529 births (45% of all-time use).
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
Cailynn by state
Where Cailynn concentrates geographically, total births since 1990
| 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. Among girls, it ranks #5085 as of the latest data. 68 babies were born in 2009, its single highest year.
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
- 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 Cailynn
Nearby Names Like Cailynn
Names with a similar sound, spelling, or feel to Cailynn
Caitlin Girl
#1688 112,143 births
Caitlyn Girl
#2352 52,603 births
Cailyn Girl
#3297 5,549 births
Caitlynn Girl
#7735 4,947 births
Cailey Girl
#5356 3,857 births
Compare Cailynn side by side: Cailynn vs Caitlin Cailynn vs Caitlyn Cailynn vs Cailyn
Related Names
Names with a similar popularity rank to Cailynn
Illyana #5084
706 births · Peak 2012
Lior #5086
326 births · Peak 2024
Citlalli #5083
2,406 births · Peak 2001
Fatuma #5087
598 births · Peak 2013
Katerin #5082
1,023 births · Peak 2006
Sumaiya #5088
588 births · Peak 2007
Annalyse #5081
1,817 births · Peak 2013
Jailene #5089
3,148 births · Peak 1999
Data Sources
Data as of July 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).
Cite this page
NameAlmanac Editorial. "Cailynn: #5085 Girls' Name - 1,183 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/cailynn. 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 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 July 2026.