Baby Names US
Unisex name ★ peaked 2012

Rilyn

Gender Unisex · 89% girls Rank 2025 #4,529 Trend ↓ Falling 25%
Rank 2025
#4,529
among girls · ↓254 vs 2024
Babies in 2025
37
named Rilyn · +9% vs 2024
How common
1 in 51,847
girls born in 2025
Peak year
2012
120 babies
All-time total
1,434
#6,355 all-time among girls
First recorded
1999
in Social Security records

Rilyn popularity over time

1,434 babies have been named Rilyn since 1999, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.020.040.060.0818801900192019401960198020002020GirlsBoys
GirlsBoys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s – – – – – –
1990s 5 – 5 1 – #16,320
2000s 284 31 315 32 +6200% #2,931
2010s 727 100 827 83 +163% #1,970
2020s (to 2025) 263 24 287 48 -42% #2,991

Where Rilyn is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 girls Implied rank
2026 29 0.02 outside top 500
2027 28 0.02 outside top 500
2028 27 0.02 outside top 500
2029 26 0.02 outside top 500
2030 26 0.02 outside top 500

The story of Rilyn

Rilyn is rare for girls in the United States, ranked #4,529 in 2025 with 31 babies given the name. It is currently declining compared with a decade ago.

Since 1999, 1,434 American babies have been named Rilyn, about 89% girls and 11% boys, making it a genuinely unisex name. Its peak came in 2012, when 120 newborns received the name, the signature sound of the 2010s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Rilyn stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Rilyn?

The median living Rilyn is about 11 years old; half are between 7 and 15. An estimated 1,400 people named Rilyn are alive in the United States today.

median 11 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Rilyn year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 31 #4,529 6 #11,724
2024 34 #4,275 – –
2023 40 #3,820 7 #10,577
2022 53 #3,115 6 #12,023
2021 56 #2,991 – –
2020 49 #3,216 5 #13,644
2019 45 #3,494 7 #10,577
2018 51 #3,195 6 #11,848
2017 71 #2,527 8 #9,506
2016 83 #2,303 10 #8,045
2015 77 #2,401 15 #5,935
2014 67 #2,641 7 #10,490
2013 73 #2,483 – –
2012 100 #1,970 20 #4,821
2011 94 #2,065 15 #5,890
2010 66 #2,718 12 #7,008
2009 60 #2,931 10 #8,173
2008 43 #3,768 – –
2007 47 #3,521 7 #10,649
2006 40 #3,841 8 #9,384
2005 34 #4,180 6 #11,170
2004 19 #6,443 – –
2003 11 #9,560 – –
2002 14 #7,743 – –
2001 9 #10,826 – –
2000 7 #12,844 – –
1995 – – – –
1990 – – – –
1985 – – – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Rilyn, drawn from the same Social Security data as the charts above.

How old is the average Rilyn?

The median living Rilyn is about 11 years old. Half of all living Rilyns are between 7 and 15 years old.

How many people named Rilyn are alive today?

An estimated 1,400 people named Rilyn are alive in the United States, based on 1,434 recorded births and Social Security life tables.

How popular is the name Rilyn in 2025?

Rilyn ranked #4,529 among girls' names in the United States in 2025, with 31 babies given the name, according to Social Security Administration data.

How many people are named Rilyn?

1,434 babies have been named Rilyn in the United States since 1999, based on Social Security card applications.

When was the name Rilyn most popular?

Rilyn peaked in 2012, when 120 newborns received the name.

Is Rilyn a boy or girl name?

Rilyn is used for both: about 89% of babies named Rilyn have been girls and 11% boys.

Is the name Rilyn rising or falling?

Rilyn is declining, less popular now than a decade ago.

Will Rilyn become more popular?

Rilyn is trending downward. If the recent trend holds, we project roughly 26 girls named Rilyn in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Rilyn

Names that sound and feel close to Rilyn: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Rilyn with similar names → More names starting with R →