Total births
20
Girls' name · since 1988
Caithlin
20 babies named Caithlin in U.S. Social Security records since 1988, with the highest year being 1988. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 20
- total births
- 1988–1994
- years on record
- 1990s
- peak decade
- 65%
- born in that decade
20 girls have been named Caithlin since 1988, though it isn't currently a top-ranked name.
Social Security Administration records show Caithlin recorded 20 times among girls since 1988, though it doesn't currently rank among the most-used girls names, peaking in the 1990s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1988 to 1994.
- 20 total births
- 1988–1994 years on record
- 1990s peak decade
- 65% born in that decade
Data updated Jun 2026
The verdict
20 girls have been named Caithlin since 1988, peaking in the 1990s, last recorded in 1994.
- 20
- total births
- 1988–1994
- years on record
- 1990s
- peak decade
- 65%
- born in that decade
1990s
Peak decade
65% of everyone ever named Caithlin was born in this single decade.
1988
Single peak year
7 babies were named Caithlin in 1988 - its busiest year on record.
Caithlin's usage pattern, beyond the headline number
Caithlin splits its recorded history at 1991: 65% of all births land in the more recent half, 35% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1994 (6 births) -- compare that against the 1988 peak of 7 for a sense of just how much the name's popularity has swung.
Caithlin at a glance
Last recorded 1994Peak year
1988
Current rank
Unranked
Active since
1988
Caithlin popularity over time
Annual U.S. births registered with the Social Security Administration · 1988–1994
- Peak year (1988)
- 7
- Annual births at peak, across 7 years of records
Caithlin by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Caithlin's strongest decade.
13 babies received the name during that ten-year window, about 65% of all-time use.
Caithlin births by decade
Total births in each ten-year window
- 1980s
1980s
7 births
- 1990s
1990s
13 births
What this shows Peak: 1990s at 13 births (65% of all-time use).
Frequently Asked Questions
How popular is the name Caithlin? ▼
Caithlin has been given to 20 babies in the U.S. since 1988, according to SSA data. Its last appearance in the data was 1994. 7 babies were born in 1988, its single highest year.
When was Caithlin most popular? ▼
Caithlin was most popular in the 1990s decade with 13 total births. The single peak year was 1988.
How long has the name Caithlin been used? ▼
The SSA has tracked Caithlin since 1988 -- 7 years through the most recent 1994 data.
What names are similar to Caithlin? ▼
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.
Keep exploring Caithlin
Nearby Names Like Caithlin
Names with a similar sound, spelling, or feel to Caithlin
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 Caithlin side by side: Caithlin vs Caitlin Caithlin vs Caitlyn Caithlin vs Cailyn
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1988–1994 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Caithlin: Baby Name Since 1988 - 20 Births, Peak 1988." NameAlmanac. Accessed via https://namealmanac.com/name/caithlin. 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 Caithlin 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 June 2026.