Unisex name · since 2003

Rily

63 babies named Rily in U.S. Social Security records since 2003, with the highest year being 2009. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

63
total births
2003–2018
years on record
2000s
peak decade
56%
born in that decade

63 girls have been named Rily since 2003, though it isn't currently a top-ranked name.

Rily has 63 recorded births among girls since 2003, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2003 to 2018.

  • 63 total births
  • 2003–2018 years on record
  • 2000s peak decade
  • 56% born in that decade

Data updated Jul 2026

The verdict

63 girls have been named Rily since 2003, peaking in the 2000s, last recorded in 2018.

63
total births
2003–2018
years on record
2000s
peak decade
56%
born in that decade
2000s
Peak decade

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

2009
Single peak year

7 babies were named Rily in 2009 - its busiest year on record.

Rily's usage pattern, beyond the headline number

Rily splits its recorded history at 2009: 56% of all births land in the more recent half, 44% in the earlier half, an evenly balanced pattern over time. The single quietest year was 2003 (5 births) -- compare that against the 2009 peak of 7 for a sense of just how much the name's popularity has swung.

Rily at a glance

Last recorded 2018

Total births

63

Since 2003

16 years of records

Peak year

2009

7 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2018

Active since

2003

Recorded for 16 years

Last year on file: 2018

Rily popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 2003–2018

Last recorded 2018
Peak year (2009)
7
Annual births at peak, across 16 years of records
4.555.566.577.5 20032004200620072008200920102012201320142018 5

Rily popularity over time - boys

16 total births recorded since 1999 (Rily as boys' name)

Unisex variant - 16 births
4.555.566.5 199920042009 5

Rily by decade

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

2000s was Rily's strongest decade.

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

Rily births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 35 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 Rily?
Rily has been given to 63 babies in the U.S. since 2003, according to SSA data. Its last appearance in the data was 2018. 7 babies were born in 2009, its single highest year.
When was Rily most popular?
Rily was most popular in the 2000s decade with 35 total births. The single peak year was 2009.
Is Rily a unisex name?
Yes, Rily is used for both boys and girls. As a girl's name it has 63 births, and as a boy's name it has 16 births.
How long has the name Rily been used?
Records for Rily go back to 2003, giving 16 years of history through 2018.
What names are similar to Rily?
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 Rily's data

  • Rily's usage has stayed within range of its 2000s decade-level peak (35 total births) through the 2010s (28) -- a comparatively stable name, not a fading trend.
  • 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.

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, 2003–2018 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Rily: Baby Name Since 2003 - 63 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/rily. 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 Rily 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.