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.

#45,857 of 72,339
all-time among girls
20
born since 1988
1990s
peak 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.

  • #45,857 of 72,339 all-time among girls
  • 20 born since 1988
  • 1990s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Caithlin ranks #45,857 of 72,339 girls' names by all-time recorded births (highest first). 20 born since 1988, peaking in the 1990s.

#45,857 of 72,339
all-time among girls
20
born since 1988
1990s
peak decade
Below the archive median
All-time archive position

Caithlin's 20 recorded births place it above 35.98% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

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 popularity over time

Annual U.S. births registered with the Social Security Administration · 1988–1994

Last recorded 1994
Peak year (1988)
7
Annual births at peak, across 7 years of records
5.566.577.5 198819911994 6

Caithlin by decade

1990s is the heaviest window (13 births, 65% of the file).

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

births

What this shows Peak: 1990s at 13 births (65% of all-time use).

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

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 archive ordinal is #45,857 of 72,339 among girls' names (total births, highest first). Its last appearance in the data was 1994. 7 babies were born in 1988, its single highest year.
Where does Caithlin sit in the SSA name archive?
According to the U.S. Social Security Administration, Caithlin ranks #45,857 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Caithlin: 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, 1988–1994 (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 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 August 2026.