Recorded 1999–2020 Unisex name Peak 2018 140 births

Aideen — unisex name

140 babies named Aideen in U.S. Social Security records since 1999, with the highest year being 2018. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1990s52000s512010s792020s5
2010s
Peak decade

56% of everyone ever named Aideen was born in this single decade.

2018
Single peak year

13 babies were named Aideen in 2018 — its busiest year on record.

What the Data Says About Aideen

The Social Security Administration has registered 140 babies named Aideen between 1999 and 2020, spanning 22 consecutive years of U.S. birth records. As a girl's name, Aideen currently falls outside the top 1,000 girls' names for 2020. The name reached its historical peak in 2018, when 13 babies received it in a single year. Aideen is classified as unisex in SSA records: the opposite-sex variant accounts for 60 additional births since 2009.

Decade-level aggregation shows that Aideen performed strongest in the 2010s, accumulating 79 births during that ten-year window. Across the 4 decades of recorded activity, Aideen shows a clear decline from its mid-century high.

No etymological entry is currently available for Aideen 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 140 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.

Aideen at a glance

Last recorded 2020

Total births

140

Since 1999

22 years of records

Peak year

2018

13 births that year

Strongest decade: 2010s

Current rank

Unranked

Outside the modern top-1,000

As of 2020

Active since

1999

Recorded for 22 years

Last year on file: 2020

Aideen popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2020–1999

Last recorded 2020
Peak year (2018)
13
Annual births at peak — across 22 years of records
468101214 2020201720132010200620021999 5

Aideen popularity over time — boys

60 total births recorded since 2009 (Aideen as boys' name)

Unisex variant — 60 births
468101214 20242022201720152014201220112009 8

Aideen by decade

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

Peak: 2010s
Peak decade
2010s
79 births that decade — 56% of Aideen's all-time total
1990s52000s512010s792020s5

Frequently Asked Questions

How popular is the name Aideen?
140 babies have been named Aideen since 1999. It was last recorded in 2020. The peak year was 2018 with 13 births.
When was Aideen most popular?
Aideen was most popular in the 2010s decade with 79 total births. The single peak year was 2018.
Is Aideen a unisex name?
Yes, Aideen is used for both boys and girls. As a girl's name it has 140 births, and as a boy's name it has 60 births.
How long has the name Aideen been used?
Aideen has been recorded in Social Security data since 1999, spanning 22 years of data through 2020.
What names are similar to Aideen?
Names with a similar sound or spelling include Aida, Aidan, Aiden, Aide, and 4 more. These share a common prefix and are also used for girls.

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, 1999–2020 (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.