boys' name ★ peaked 1992

Dillian

Gender Boy Rank 2025 Below top lists
Rank 2025
–
among boys
Babies in 2025
<5
named Dillian
How common
–
boys born in 2025
Peak year
1992
41 babies
All-time total
610
#7,003 all-time among boys
First recorded
1989
in Social Security records

Dillian popularity over time

610 babies have been named Dillian since 1989, 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
0.010.010.020.0318801900192019401960198020002020Peak 1992Boys

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 Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s – – – –
1960s – – – –
1970s – – – –
1980s 6 1 – #7,223
1990s 292 29 +4767% #1,961
2000s 216 22 -26% #3,213
2010s 85 9 -61% #6,073
2020s (to 2025) 11 2 -78% #10,960

The story of Dillian

Dillian 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 1989, 610 American babies have been named Dillian. Its peak came in 1992, when 41 newborns received the name, the signature sound of the 1990s.

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

How old are people named Dillian?

The median living Dillian is about 25 years old; half are between 19 and 30. An estimated 600 people named Dillian are alive in the United States today.

median 25 020406080100

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

Dillian year by year

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

Year Boys Boys rank
2025 – –
2024 – –
2023 – –
2022 – –
2021 5 #12,623
2020 6 #10,960
2019 7 #10,006
2018 6 #11,125
2017 7 #9,953
2016 – –
2015 11 #7,187
2014 14 #6,073
2013 12 #6,719
2012 7 #9,983
2011 10 #7,640
2010 11 #7,200
2009 16 #5,626
2008 16 #5,558
2007 18 #5,053
2006 16 #5,366
2005 22 #4,091
2004 21 #4,157
2003 29 #3,213
2002 27 #3,286
2001 27 #3,254
2000 24 #3,450
1995 30 #2,523
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 Dillian, drawn from the same Social Security data as the charts above.

How old is the average Dillian?

The median living Dillian is about 25 years old. Half of all living Dillians are between 19 and 30 years old.

How many people named Dillian are alive today?

An estimated 600 people named Dillian are alive in the United States, based on 610 recorded births and Social Security life tables.

How popular is the name Dillian in 2025?

Dillian 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 Dillian?

610 babies have been named Dillian in the United States since 1989, based on Social Security card applications.

When was the name Dillian most popular?

Dillian peaked in 1992, when 41 newborns received the name.

Is Dillian a boy or girl name?

Dillian is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Dillian rising or falling?

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

Names like Dillian

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

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