Unisex name · since 1996

Reilley

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.

#20,919 of 72,339
all-time among girls
180
born since 1996
2000s
peak decade

Reilley sits outside today's top ranks for girls, with 180 recorded since 1996.

According to the U.S. Social Security Administration, Reilley has been recorded 180 times among girls since 1996, though it is not among the currently most-used girls names, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1996 to 2013.

  • #20,919 of 72,339 all-time among girls
  • 180 born since 1996
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Reilley ranks #20,919 of 72,339 girls' names by all-time recorded births (highest first). 180 born since 1996, peaking in the 2000s.

#20,919 of 72,339
all-time among girls
180
born since 1996
2000s
peak decade
Below the archive median
All-time archive position

Reilley's 180 recorded births place it above 71.06% 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.

Reilley's usage pattern, beyond the headline number

Reilley splits its recorded history at 2004: 44% of all births land in the more recent half, 56% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1996 (5 births) -- compare that against the 2004 peak of 17 for a sense of just how much the name's popularity has swung.

Reilley popularity over time - girls

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

Last recorded 2013
Peak year (2004)
17
Annual births at peak, across 18 years of records
05101520 199619982000200220042006200920112013 7

Reilley popularity over time - boys

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

Unisex variant - 107 births
05101520 19982000200220052007200920122016 5

Reilley by decade

2000s is the heaviest window (113 births, 63% of the file).

2000s was Reilley's strongest decade.

113 babies received the name during that ten-year window, about 63% of all-time use.

Reilley births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 113 births (63% of all-time use).

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

Frequently Asked Questions

How popular is the name Reilley?
Reilley has been given to 180 babies in the U.S. since 1996, according to SSA data. Its archive ordinal is #20,919 of 72,339 among girls' names (total births, highest first). Its last appearance in the data was 2013. 17 babies were born in 2004, its single highest year.
Where does Reilley sit in the SSA name archive?
According to the U.S. Social Security Administration, Reilley ranks #20,919 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 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?
Records for Reilley go back to 1996, giving 18 years of history 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.

What to do with Reilley's data

  • Reilley's decade-level peak was the 2000s (113 total births); usage has since declined to 19 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Reilley

Nearby Names Like Reilley

Names with a similar sound, spelling, or feel to Reilley

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Reilley: 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, 1996–2013 (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 Reilley 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.