Is Reilly a boy or girl name?
Reilly is used for both boys and girls in close to equal numbers in the US. In 2024, 63 girls and 46 boys were named Reilly, so 57.8% were girls. Across 1880–2024, 54.8% of the 9,977 US babies named Reilly were girls.
- Boy rank, 2024
- #2,816
- Girl rank, 2024
- #2,730
- Babies named Reilly since 1953
- 9,977
- Most popular year
- 1997
- 543 babies
Boys and girls named Reilly, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1950s | 13 | 0 | 0% |
| 1960s | 0 | 0 | – |
| 1970s | 18 | 6 | 25% |
| 1980s | 206 | 108 | 34.4% |
| 1990s | 1,032 | 1,596 | 60.7% |
| 2000s | 1,915 | 2,437 | 56% |
| 2010s | 1,058 | 996 | 48.5% |
| 2020s | 268 | 324 | 54.7% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 46 | #2,816 | 63 | #2,730 |
| 2023 | 56 | #2,427 | 50 | #3,259 |
| 2022 | 55 | #2,509 | 65 | #2,677 |
| 2021 | 60 | #2,318 | 65 | #2,662 |
| 2020 | 51 | #2,538 | 81 | #2,234 |
| 2019 | 72 | #2,036 | 81 | #2,267 |
| 2018 | 70 | #2,060 | 72 | #2,470 |
| 2017 | 64 | #2,150 | 75 | #2,421 |
| 2016 | 95 | #1,671 | 99 | #2,012 |
| 2015 | 84 | #1,798 | 90 | #2,135 |
| 2014 | 104 | #1,546 | 89 | #2,151 |
| 2013 | 114 | #1,457 | 103 | #1,936 |
| 2012 | 149 | #1,205 | 108 | #1,870 |
| 2011 | 143 | #1,224 | 140 | #1,569 |
| 2010 | 163 | #1,141 | 139 | #1,581 |
| 2009 | 172 | #1,084 | 163 | #1,437 |
| 2008 | 209 | #962 | 193 | #1,293 |
| 2007 | 218 | #911 | 199 | #1,246 |
| 2006 | 174 | #1,046 | 178 | #1,321 |
| 2005 | 178 | #978 | 241 | #1,014 |
| 2004 | 168 | #990 | 268 | #907 |
| 2003 | 196 | #875 | 276 | #876 |
| 2002 | 204 | #823 | 305 | #776 |
| 2001 | 202 | #817 | 325 | #738 |
| 2000 | 194 | #827 | 289 | #795 |
| 1999 | 174 | #872 | 324 | #699 |
| 1998 | 159 | #908 | 379 | #623 |
| 1997 | 183 | #806 | 360 | #623 |
| 1996 | 143 | #920 | 173 | #1,075 |
| 1995 | 95 | #1,189 | 84 | #1,744 |
| 1994 | 66 | #1,467 | 78 | #1,837 |
| 1993 | 70 | #1,393 | 69 | #2,030 |
| 1992 | 54 | #1,633 | 39 | #3,021 |
| 1991 | 45 | #1,790 | 38 | #3,027 |
| 1990 | 43 | #1,835 | 52 | #2,392 |
| 1989 | 25 | #2,596 | 21 | #4,477 |
| 1988 | 32 | #2,024 | 14 | #5,821 |
| 1987 | 19 | #2,809 | 17 | #4,824 |
| 1986 | 35 | #1,784 | 16 | #4,903 |
| 1985 | 39 | #1,640 | 7 | #9,037 |
| 1984 | 16 | #2,920 | 5 | #11,702 |
| 1983 | 13 | #3,378 | 7 | #8,741 |
| 1982 | 11 | #3,900 | 8 | #8,026 |
| 1981 | 11 | #3,801 | 5 | #11,684 |
| 1980 | 5 | #7,058 | 8 | #7,949 |
| 1979 | 8 | #4,753 | 0 | – |
| 1978 | 0 | – | 6 | #9,423 |
| 1977 | 0 | – | 0 | – |
| 1976 | 0 | – | 0 | – |
| 1975 | 5 | #6,128 | 0 | – |
| 1974 | 5 | #5,830 | 0 | – |
| 1973 | 0 | – | 0 | – |
| 1972 | 0 | – | 0 | – |
| 1971 | 0 | – | 0 | – |
| 1970 | 0 | – | 0 | – |
| 1969 | 0 | – | 0 | – |
| 1968 | 0 | – | 0 | – |
| 1967 | 0 | – | 0 | – |
| 1966 | 0 | – | 0 | – |
| 1965 | 0 | – | 0 | – |
| 1964 | 0 | – | 0 | – |
| 1963 | 0 | – | 0 | – |
| 1962 | 0 | – | 0 | – |
| 1961 | 0 | – | 0 | – |
| 1960 | 0 | – | 0 | – |
| 1959 | 0 | – | 0 | – |
| 1958 | 7 | #3,504 | 0 | – |
| 1957 | 0 | – | 0 | – |
| 1956 | 0 | – | 0 | – |
| 1955 | 0 | – | 0 | – |
| 1954 | 0 | – | 0 | – |
| 1953 | 6 | #3,711 | 0 | – |
Highest rank
As a boy name, Reilly reached #806 in 1997. As a girl name, it reached #623 in 1997. 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.
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.