Is Dillan a boy or girl name?
Dillan is mostly a boy name in the US. In 2024, 10 girls and 44 boys were named Dillan, so 18.5% were girls. Across 1880–2024, 5.2% of the 7,350 US babies named Dillan were girls.
- Boy rank, 2024
- #2,878
- Girl rank, 2024
- #9,699
- Babies named Dillan since 1975
- 7,350
- Most popular year
- 1992
- 341 babies
Boys and girls named Dillan, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1970s | 10 | 0 | 0% |
| 1980s | 153 | 0 | 0% |
| 1990s | 2,643 | 31 | 1.2% |
| 2000s | 2,703 | 156 | 5.5% |
| 2010s | 1,205 | 139 | 10.3% |
| 2020s | 252 | 58 | 18.7% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 44 | #2,878 | 10 | #9,699 |
| 2023 | 42 | #2,961 | 12 | #8,601 |
| 2022 | 60 | #2,357 | 11 | #9,211 |
| 2021 | 53 | #2,508 | 13 | #8,150 |
| 2020 | 53 | #2,441 | 12 | #8,529 |
| 2019 | 50 | #2,595 | 8 | #11,636 |
| 2018 | 76 | #1,943 | 14 | #7,875 |
| 2017 | 68 | #2,054 | 17 | #6,884 |
| 2016 | 103 | #1,589 | 9 | #11,105 |
| 2015 | 118 | #1,439 | 8 | #12,140 |
| 2014 | 142 | #1,258 | 13 | #8,599 |
| 2013 | 129 | #1,329 | 11 | #9,773 |
| 2012 | 148 | #1,208 | 16 | #7,554 |
| 2011 | 171 | #1,088 | 19 | #6,645 |
| 2010 | 200 | #985 | 24 | #5,664 |
| 2009 | 283 | #793 | 21 | #6,375 |
| 2008 | 241 | #877 | 29 | #5,050 |
| 2007 | 254 | #839 | 12 | #9,708 |
| 2006 | 269 | #773 | 9 | #11,699 |
| 2005 | 272 | #742 | 25 | #5,144 |
| 2004 | 306 | #667 | 18 | #6,565 |
| 2003 | 297 | #668 | 30 | #4,337 |
| 2002 | 256 | #699 | 7 | #12,571 |
| 2001 | 260 | #693 | 5 | #16,020 |
| 2000 | 265 | #673 | 0 | – |
| 1999 | 300 | #608 | 0 | – |
| 1998 | 312 | #597 | 6 | #12,895 |
| 1997 | 287 | #612 | 6 | #12,529 |
| 1996 | 236 | #688 | 0 | – |
| 1995 | 270 | #626 | 5 | #14,061 |
| 1994 | 300 | #600 | 5 | #14,045 |
| 1993 | 295 | #604 | 9 | #8,930 |
| 1992 | 341 | #553 | 0 | – |
| 1991 | 222 | #681 | 0 | – |
| 1990 | 80 | #1,227 | 0 | – |
| 1989 | 49 | #1,622 | 0 | – |
| 1988 | 30 | #2,100 | 0 | – |
| 1987 | 19 | #2,751 | 0 | – |
| 1986 | 19 | #2,708 | 0 | – |
| 1985 | 6 | #5,990 | 0 | – |
| 1984 | 9 | #4,293 | 0 | – |
| 1983 | 6 | #5,667 | 0 | – |
| 1982 | 10 | #4,019 | 0 | – |
| 1981 | 0 | – | 0 | – |
| 1980 | 5 | #6,505 | 0 | – |
| 1979 | 5 | #6,304 | 0 | – |
| 1978 | 0 | – | 0 | – |
| 1977 | 0 | – | 0 | – |
| 1976 | 0 | – | 0 | – |
| 1975 | 5 | #5,684 | 0 | – |
Highest rank
As a boy name, Dillan reached #553 in 1992. As a girl name, it reached #4,337 in 2003. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1990s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Dillan
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.