Unisex name · since 1999

Rilyn

1,279 babies named Rilyn in U.S. Social Security records since 1999, with the highest year being 2012. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#4272
among girls today
1,279
born since 1999
2010s
peak decade
76%
more common than other girls

Yes -- Rilyn is the #4272 most popular unisex name in the U.S. today, with 1,279 recorded since 1999.

Social Security Administration records show Rilyn recorded 1,279 times among girls since 1999, holding rank #4272 nationally today, ahead of 76% of girls, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1999 to 2025.

  • #4272 among girls today
  • 1,279 born since 1999
  • 2010s peak decade
  • 76% more common than other girls

Data updated Jun 2026

The verdict

Rilyn is currently the #4272 unisex name in America, more common than 76% of girls - 1,279 born since 1999, peaking in the 2010s.

#4272
among girls today
1,279
born since 1999
2010s
peak decade
76%
more common than other girls

Rilyn vs. every other girls name in current SSA rankings

0%100%Median name50%75.8%
Rilyn vs. every other girls name in current SSA rankings
#4272
of 17,726 girls in use

More common than 76% of names given to girls today.

2010s
Peak decade

57% of everyone ever named Rilyn was born in this single decade.

2012
Single peak year

100 babies were named Rilyn in 2012 - its busiest year on record.

How Rilyn compares

1,279 Top 28% higher than 72% of 17,726 names currently given to girls

Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Rilyn's all-time total is 3x the median girls name, and Olivia still leads by a wide margin.

Metric Rilyn Median girls name (Emerly) #1 girls name (Olivia)
All-time total births 1,279 382 567,345
Peak-year births 100 48 19,840

Rilyn's usage pattern, beyond the headline number

Splitting Rilyn's full recorded timeline at 2012, 65% of its total births fall in the more recent half of the record versus 35% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1999, with just 5 recorded births -- worth weighing against the 2012 peak of 100 to see the full range of the name's swing in popularity.

Rilyn at a glance

Outside the top 1,000

Total births

1,279

Since 1999

27 years of records

Peak year

2012

100 births that year

Strongest decade: 2010s

Current rank

#4,272

Among girls

As of 2025

Active since

1999

Recorded for 27 years

Last year on file: 2025

Rilyn popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1999–2025

Outside the top 1,000
Peak year (2012)
100
Annual births at peak, across 27 years of records
050100150 19992003200720112015201920232025 31

Rilyn popularity over time - boys

155 total births recorded since 2005 (Rilyn as boys' name)

Unisex variant - 155 births
0510152025 2005200920122016201920232025 6

Rilyn by decade

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

2010s was Rilyn's strongest decade.

727 babies received the name during that ten-year window, about 57% of all-time use.

Rilyn births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 727 births (57% of all-time use).

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

How Rilyn compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Rilyn's total volume

Rilyn vs 15 similarly-sized girls names

Rilyn vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20%25% 20406080100120 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Rilyn
Rilyn vs 15 similarly-sized girls names

Rilyn by state

Where Rilyn concentrates geographically, total births since 1999

Geographically diffuse
Top 8 states by recorded births for the name Rilyn
Rank State Visual share Births Share of total
#1 Texas
52 4.1%
#2 California
47 3.7%
#3 Pennsylvania
31 2.4%
#4 Florida
25 2.0%
#5 Ohio
23 1.8%
#6 Virginia
14 1.1%
#7 Missouri
13 1.0%
#8 Georgia
10 0.8%
Texas share of Rilyn's total US births 4.1%
Even split

52 of 1,279 births nationwide. Compared to a flat distribution across 18 reporting states.

Rilyn appears in 18 states. Explore state details →

Frequently Asked Questions

How popular is the name Rilyn?
Rilyn has been given to 1,279 babies in the U.S. since 1999, according to SSA data. Among girls, it ranks #4272 as of the latest data. 100 babies were born in 2012, its single highest year.
When was Rilyn most popular?
Rilyn was most popular in the 2010s decade with 727 total births. The single peak year was 2012.
Where is Rilyn most popular?
The top states for the name Rilyn are Texas (52 births), California (47 births), Pennsylvania (31 births).
Is Rilyn a unisex name?
Yes, Rilyn is used for both boys and girls. As a girl's name it has 1,279 births, and as a boy's name it has 155 births.
How long has the name Rilyn been used?
The SSA has tracked Rilyn since 1999 -- 27 years through the most recent 2025 data.
What names are similar to Rilyn?
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 Rilyn's data

  • Rilyn's usage has stayed within range of its 2010s decade-level peak (727 total births) through the 2020s (263) -- a comparatively stable name, not a fading trend.
  • Texas records the most Rilyns (52 births) -- see the full state breakdown if geography matters to your decision. Texas names
  • 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 June 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, 1999–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Rilyn: #4272 Unisex Name - 1,279 Births, Peak 2012." NameAlmanac. Accessed via https://namealmanac.com/name/rilyn. 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 Rilyn 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 June 2026.