Unisex name · peaked 1992

Dillan

Every Dillan since 1975 — 7,387 of them. Popularity, births, and rankings for each year, from official Social Security records.

Measure
Births per 1,000 babies of that sex — comparable across eras
0.050.10.150.218801900192019401960198020002020BoysGirls
BoysGirls
Rank 2025
#3,871
among boys
Babies in 2025
37
named Dillan
Peak year
1992
341 babies
All-time total
7,387
since 1975

The story of Dillan

Dillan is rare for boys in the United States, ranked #3,871 in 2025 with 28 babies given the name. It is currently declining compared with a decade ago.

Since 1975, 7,387 American babies have been named Dillan — about 95% boys and 5% girls, making it a genuinely unisex name. Its peak came in 1992, when 341 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 Dillan stood among all boys' names in any year, or use the compare tool to plot it against other names.

Dillan 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 9 #10,312 28 #3,871
2024 10 #9,735 44 #2,884
2023 12 #8,617 42 #2,964
2022 11 #9,216 60 #2,358
2021 13 #8,153 53 #2,508
2020 12 #8,536 53 #2,442
2019 8 #11,640 50 #2,596
2018 14 #7,878 76 #1,943
2017 17 #6,886 68 #2,054
2016 9 #11,105 103 #1,590
2015 8 #12,143 118 #1,439
2014 13 #8,601 142 #1,258
2013 11 #9,774 129 #1,330
2012 16 #7,555 148 #1,208
2011 19 #6,645 171 #1,088
2010 24 #5,665 200 #985
2009 21 #6,377 283 #793
2008 29 #5,050 241 #877
2007 12 #9,709 254 #839
2006 9 #11,700 269 #773
2005 25 #5,146 272 #742
2004 18 #6,565 306 #667
2003 30 #4,337 297 #668
2002 7 #12,571 256 #699
2001 5 #16,021 260 #693
2000 265 #673
1995 5 #14,061 270 #626
1990 80 #1,227
1985 6 #5,988
1980 5 #6,505
1975 5 #5,684
1970
1965
1960
1955
1950
1945
1940
1935
1930
1925
1920
1915
1910
1905
1900
1895
1890
1885
1880

Frequently asked questions

How popular is the name Dillan in 2025?

Dillan ranked #3,871 among boys' names in the United States in 2025, with 28 babies given the name, according to Social Security Administration data.

How many people are named Dillan?

7,387 babies have been named Dillan in the United States since 1975, based on Social Security card applications.

When was the name Dillan most popular?

Dillan peaked in 1992, when 341 newborns received the name.

Is Dillan a boy or girl name?

Dillan is used for both: about 5% of babies named Dillan have been girls and 95% boys.

Is the name Dillan rising or falling?

Dillan is declining — less popular now than a decade ago.

Names like Dillan

Compare Dillan with similar names →