Unisex name · since 2001

Rilley

Since 2001, U.S. Social Security records show 72 babies named Rilley, peaking in 2009. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

72
total births
2001–2021
years on record
2000s
peak decade
56%
born in that decade

Rilley is not among the current top-ranked girls names; 72 have been recorded since 2001.

According to the U.S. Social Security Administration, Rilley has been recorded 72 times among girls since 2001, 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 2001 to 2021.

  • 72 total births
  • 2001–2021 years on record
  • 2000s peak decade
  • 56% born in that decade

Data updated Jul 2026

The verdict

72 girls have been named Rilley since 2001, peaking in the 2000s, last recorded in 2021.

72
total births
2001–2021
years on record
2000s
peak decade
56%
born in that decade
2000s
Peak decade

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

2009
Single peak year

8 babies were named Rilley in 2009 - its busiest year on record.

Rilley's usage pattern, beyond the headline number

Splitting Rilley's full recorded timeline at 2009, 56% of its total births fall in the more recent half of the record versus 44% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2001, with just 5 recorded births -- worth weighing against the 2009 peak of 8 to see the full range of the name's swing in popularity.

Rilley at a glance

Last recorded 2021

Total births

72

Since 2001

21 years of records

Peak year

2009

8 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2021

Active since

2001

Recorded for 21 years

Last year on file: 2021

Rilley popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 2001–2021

Last recorded 2021
Peak year (2009)
8
Annual births at peak, across 21 years of records
456789 200120032004200520072008200920112012201620192021 5

Rilley popularity over time - boys

69 total births recorded since 2000 (Rilley as boys' name)

Unisex variant - 69 births
45678910 20002001200220032004200520062008201020112012 6

Rilley by decade

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

2000s was Rilley's strongest decade.

40 babies received the name during that ten-year window, about 56% of all-time use.

Rilley births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 40 births (56% of all-time use).

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

Frequently Asked Questions

How popular is the name Rilley? ▼
Rilley has been given to 72 babies in the U.S. since 2001, according to SSA data. Its last appearance in the data was 2021. 8 babies were born in 2009, its single highest year.
When was Rilley most popular? ▼
Rilley was most popular in the 2000s decade with 40 total births. The single peak year was 2009.
Is Rilley a unisex name? ▼
Yes, Rilley is used for both boys and girls. As a girl's name it has 72 births, and as a boy's name it has 69 births.
How long has the name Rilley been used? ▼
Rilley has been recorded in Social Security data since 2001, spanning 21 years of data through 2021.
What names are similar to Rilley? ▼
Names with a similar sound or spelling include Riley, Rileigh, Rilynn, Rilee, and 4 more. These share a common prefix and are also used for girls.

What to do with Rilley's data

  • Rilley's decade-level peak was the 2000s (40 total births); usage has since declined to 5 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Weighing it against an alternative? Put two names side by side. Compare names

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

Keep exploring Rilley

Nearby Names Like Rilley

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

Riley Girl
#42 141,960 births
Rileigh Girl
#4515 3,832 births
Rilynn Girl
#1778 3,660 births
Rilee Girl
#4160 3,324 births
Rilla Girl
#7597 2,659 births

Compare Rilley side by side: Rilley vs Riley Rilley vs Rileigh Rilley vs Rilynn

Or pick any two names to compare →

Related Names

Names with a similar number of total births

Blandina
72 births · Peak 1916
Offie
72 births · Peak 1916
Tavie
72 births · Peak 1921
Alvah
72 births · Peak 1926
Rafaelita
72 births · Peak 1921
Phil
72 births · Peak 1923
Flois
72 births · Peak 1918
Winnell
72 births · Peak 1923

Data Sources

Data as of July 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, 2001–2021 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Rilley: Baby Name Since 2001 - 72 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/rilley. Licensed CC BY-SA 4.0.

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 Rilley 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 July 2026.