Total births
46
Girls' name · since 1997
Caoilinn
46 babies named Caoilinn in U.S. Social Security records since 1997, with the highest year being 1997. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 46
- total births
- 1997–2016
- years on record
- 2010s
- peak decade
- 50%
- born in that decade
Caoilinn sits outside today's top ranks for girls, with 46 recorded since 1997.
Caoilinn has 46 recorded births among girls since 1997, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1997 to 2016.
- 46 total births
- 1997–2016 years on record
- 2010s peak decade
- 50% born in that decade
Data updated Jul 2026
The verdict
46 girls have been named Caoilinn since 1997, peaking in the 2010s, last recorded in 2016.
- 46
- total births
- 1997–2016
- years on record
- 2010s
- peak decade
- 50%
- born in that decade
2010s
Peak decade
50% of everyone ever named Caoilinn was born in this single decade.
1997
Single peak year
7 babies were named Caoilinn in 1997 - its busiest year on record.
Caoilinn's usage pattern, beyond the headline number
Caoilinn splits its recorded history at 2012: 50% of all births land in the more recent half, 50% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1999 (5 births) -- compare that against the 1997 peak of 7 for a sense of just how much the name's popularity has swung.
Caoilinn at a glance
Last recorded 2016Peak year
1997
Current rank
Unranked
Active since
1997
Caoilinn popularity over time
Annual U.S. births registered with the Social Security Administration · 1997–2016
- Peak year (1997)
- 7
- Annual births at peak, across 20 years of records
Caoilinn by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Caoilinn's strongest decade.
23 babies received the name during that ten-year window, about 50% of all-time use.
Caoilinn births by decade
Total births in each ten-year window
- 1990s
1990s
12 births
- 2000s
2000s
11 births
- 2010s
2010s
23 births
What this shows Peak: 2010s at 23 births (50% of all-time use).
Frequently Asked Questions
How popular is the name Caoilinn? ▼
Caoilinn has been given to 46 babies in the U.S. since 1997, according to SSA data. Its last appearance in the data was 2016. 7 babies were born in 1997, its single highest year.
When was Caoilinn most popular? ▼
Caoilinn was most popular in the 2010s decade with 23 total births. The single peak year was 1997.
How long has the name Caoilinn been used? ▼
The SSA has tracked Caoilinn since 1997 -- 20 years through the most recent 2016 data.
What names are similar to Caoilinn? ▼
Names with a similar sound or spelling include Caoimhe, Caoilainn, Caomi. These share a common prefix and are also used for girls.
Keep exploring Caoilinn
Nearby Names Like Caoilinn
Names with a similar sound, spelling, or feel to Caoilinn
Compare Caoilinn side by side: Caoilinn vs Caoimhe Caoilinn vs Caoilainn Caoilinn vs Caomi
Related Names
Names with a similar number of total births
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, 1997–2016 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Caoilinn: Baby Name Since 1997 - 46 Births, Peak 1997." NameAlmanac. Accessed via https://namealmanac.com/name/caoilinn. 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 Caoilinn 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.