Unisex name ★ peaked 2003

Dilyn

Gender Unisex · 43% girls Rank 2025 Below top lists
Rank 2025
–
among boys
Babies in 2025
<5
named Dilyn
How common
–
boys born in 2025
Peak year
2003
46 babies
All-time total
540
#10,382 all-time among boys
First recorded
1992
in Social Security records

Dilyn popularity over time

540 babies have been named Dilyn since 1992, 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
00.010.010.0218801900192019401960198020002020BoysGirls
BoysGirls

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 83 88 9 – #3,406
2000s 110 168 278 28 +216% #3,438
2010s 96 59 155 16 -44% #4,887
2020s (to 2025) 19 – 19 3 -80% –

The story of Dilyn

Dilyn is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1992, 540 American babies have been named Dilyn, about 57% boys and 43% girls, making it a genuinely unisex name. Its peak came in 2003, when 46 newborns received the name, the signature sound of the 2000s.

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 Dilyn stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Dilyn?

The median living Dilyn is about 19 years old; half are between 14 and 23. An estimated 500 people named Dilyn are alive in the United States today.

median 19 020406080100

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

Dilyn 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 – – – –
2024 6 #13,942 – –
2023 – – – –
2022 8 #11,479 – –
2021 5 #15,876 – –
2020 – – – –
2019 8 #11,641 – –
2018 10 #10,008 6 #11,127
2017 13 #8,414 – –
2016 8 #12,076 – –
2015 9 #11,148 – –
2014 11 #9,722 6 #11,078
2013 13 #8,717 11 #7,154
2012 7 #13,886 6 #11,159
2011 6 #15,361 11 #7,126
2010 11 #9,962 19 #4,887
2009 12 #9,552 14 #6,182
2008 13 #9,111 11 #7,331
2007 10 #11,061 13 #6,353
2006 12 #9,461 20 #4,553
2005 13 #8,475 10 #7,257
2004 19 #6,302 25 #3,660
2003 24 #5,131 22 #3,876
2002 7 #12,572 14 #5,202
2001 – – 25 #3,438
2000 – – 14 #5,104
1995 – – 10 #5,602
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 Dilyn, drawn from the same Social Security data as the charts above.

How old is the average Dilyn?

The median living Dilyn is about 19 years old. Half of all living Dilyns are between 14 and 23 years old.

How many people named Dilyn are alive today?

An estimated 500 people named Dilyn are alive in the United States, based on 540 recorded births and Social Security life tables.

How popular is the name Dilyn in 2025?

Dilyn did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Dilyn?

540 babies have been named Dilyn in the United States since 1992, based on Social Security card applications.

When was the name Dilyn most popular?

Dilyn peaked in 2003, when 46 newborns received the name.

Is Dilyn a boy or girl name?

Dilyn is used for both: about 43% of babies named Dilyn have been girls and 57% boys.

Is the name Dilyn rising or falling?

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

Names like Dilyn

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

Compare Dilyn with similar names → More names starting with D →