Dillyn
Every Dillyn since 1991 — 634 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Dillyn
Dillyn 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 1991, 634 American babies have been named Dillyn — about 65% boys and 35% girls, making it a genuinely unisex name. Its peak came in 2003, when 32 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 Dillyn stood among all boys' names in any year, or use the compare tool to plot it against other names.
Dillyn 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 | — | — | — | — |
| 2023 | 6 | #13,892 | 5 | #12,696 |
| 2022 | 7 | #12,592 | — | — |
| 2021 | 7 | #12,541 | — | — |
| 2020 | 10 | #9,744 | 5 | #12,526 |
| 2019 | 9 | #10,701 | — | — |
| 2018 | 12 | #8,755 | 8 | #9,044 |
| 2017 | 7 | #13,083 | — | — |
| 2016 | 12 | #9,036 | 8 | #9,058 |
| 2015 | 13 | #8,585 | 14 | #6,072 |
| 2014 | 17 | #7,082 | — | — |
| 2013 | 19 | #6,542 | 8 | #8,998 |
| 2012 | 8 | #12,538 | 11 | #7,185 |
| 2011 | 7 | #13,749 | 17 | #5,257 |
| 2010 | 9 | #11,519 | 16 | #5,550 |
| 2009 | 11 | #10,170 | 17 | #5,386 |
| 2008 | 10 | #11,024 | 18 | #5,121 |
| 2007 | 12 | #9,710 | 19 | #4,859 |
| 2006 | 10 | #10,809 | 19 | #4,731 |
| 2005 | 5 | #17,217 | 19 | #4,514 |
| 2004 | 11 | #9,427 | 18 | #4,644 |
| 2003 | 12 | #8,663 | 20 | #4,151 |
| 2002 | 8 | #11,418 | 20 | #4,073 |
| 2001 | — | — | 18 | #4,342 |
| 2000 | — | — | 18 | #4,251 |
| 1995 | — | — | 13 | #4,591 |
| 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
How popular is the name Dillyn in 2025?
Dillyn 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 Dillyn?
634 babies have been named Dillyn in the United States since 1991, based on Social Security card applications.
When was the name Dillyn most popular?
Dillyn peaked in 2003, when 32 newborns received the name.
Is Dillyn a boy or girl name?
Dillyn is used for both: about 35% of babies named Dillyn have been girls and 65% boys.
Is the name Dillyn rising or falling?
Dillyn is declining — less popular now than a decade ago.