Recorded 1996–2013 Unisex name Peak 2004 180 births

Reilley — unisex name

180 babies named Reilley in U.S. Social Security records since 1996, with the highest year being 2004. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1990s482000s1132010s19
2000s
Peak decade

63% of everyone ever named Reilley was born in this single decade.

2004
Single peak year

17 babies were named Reilley in 2004 — its busiest year on record.

What the Data Says About Reilley

The Social Security Administration has registered 180 babies named Reilley between 1996 and 2013, spanning 18 consecutive years of U.S. birth records. As a girl's name, Reilley currently falls outside the top 1,000 girls' names for 2013. The name reached its historical peak in 2004, when 17 babies received it in a single year. Reilley is classified as unisex in SSA records: the opposite-sex variant accounts for 107 additional births since 1998.

Decade-level aggregation shows that Reilley performed strongest in the 2000s, accumulating 113 births during that ten-year window. Across the 3 decades of recorded activity, Reilley shows a clear decline from its mid-century high.

No etymological entry is currently available for Reilley 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 180 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.

Reilley at a glance

Last recorded 2013

Total births

180

Since 1996

18 years of records

Peak year

2004

17 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2013

Active since

1996

Recorded for 18 years

Last year on file: 2013

Reilley popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2013–1996

Last recorded 2013
Peak year (2004)
17
Annual births at peak — across 18 years of records
05101520 201320102008200520032001199919971996 5

Reilley popularity over time — boys

107 total births recorded since 1998 (Reilley as boys' name)

Unisex variant — 107 births
05101520 20162012200920072005200220001998 6

Reilley by decade

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

Peak: 2000s
Peak decade
2000s
113 births that decade — 63% of Reilley's all-time total
1990s482000s1132010s19

Frequently Asked Questions

How popular is the name Reilley?
180 babies have been named Reilley since 1996. It was last recorded in 2013. The peak year was 2004 with 17 births.
When was Reilley most popular?
Reilley was most popular in the 2000s decade with 113 total births. The single peak year was 2004.
Is Reilley a unisex name?
Yes, Reilley is used for both boys and girls. As a girl's name it has 180 births, and as a boy's name it has 107 births.
How long has the name Reilley been used?
Reilley has been recorded in Social Security data since 1996, spanning 18 years of data through 2013.
What names are similar to Reilley?
Names with a similar sound or spelling include Reina, Reign, Reilly, Reita, 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, 1996–2013 (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.