Recorded 1990–2014 Unisex name Peak 1995 68 births

Cailean — boys' name

68 babies named Cailean in U.S. Social Security records since 1990, with the highest year being 1995. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1990s402000s222010s6
1990s
Peak decade

59% of everyone ever named Cailean was born in this single decade.

1995
Single peak year

11 babies were named Cailean in 1995 — its busiest year on record.

What the Data Says About Cailean

The Social Security Administration has registered 68 babies named Cailean between 1990 and 2014, spanning 25 consecutive years of U.S. birth records. As a boy's name, Cailean currently falls outside the top 1,000 boys' names for 2014. The name reached its historical peak in 1995, when 11 babies received it in a single year. Cailean is classified as unisex in SSA records: the opposite-sex variant accounts for 17 additional births since 2002.

Decade-level aggregation shows that Cailean performed strongest in the 1990s, accumulating 40 births during that ten-year window. Across the 3 decades of recorded activity, Cailean shows a clear decline from its mid-century high.

No etymological entry is currently available for Cailean in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 68 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Cailean at a glance

Last recorded 2014

Total births

68

Since 1990

25 years of records

Peak year

1995

11 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2014

Active since

1990

Recorded for 25 years

Last year on file: 2014

Cailean popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2014–1990

Last recorded 2014
Peak year (1995)
11
Annual births at peak — across 25 years of records
4681012 2014200820062005200319971996199519931990 5

Cailean popularity over time — girls

17 total births recorded since 2002 (Cailean as girls' name)

Unisex variant — 17 births
4.555.566.5 200420032002 6

Cailean by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1990s
Peak decade
1990s
40 births that decade — 59% of Cailean's all-time total
1990s402000s222010s6

Frequently Asked Questions

How popular is the name Cailean?
68 babies have been named Cailean since 1990. It was last recorded in 2014. The peak year was 1995 with 11 births.
When was Cailean most popular?
Cailean was most popular in the 1990s decade with 40 total births. The single peak year was 1995.
Is Cailean a unisex name?
Yes, Cailean is used for both boys and girls. As a boy's name it has 68 births, and as a girl's name it has 17 births.
How long has the name Cailean been used?
Cailean has been recorded in Social Security data since 1990, spanning 25 years of data through 2014.
What names are similar to Cailean?
Names with a similar sound or spelling include Caiden, Cairo, Cain, Caius, and 4 more. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1990–2014 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.