Reilly
From Irish Ó Raghallaigh, a surname meaning "descendants of Raghallach".
Every Reilly since 1953 — 10,088 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Reilly
Reilly is rare for girls in the United States, ranked #2,855 in 2025 with 60 babies given the name. It is currently declining compared with a decade ago.
Since 1953, 10,088 American babies have been named Reilly — about 55% girls and 45% boys, making it a genuinely unisex name. Its peak came in 1997, when 543 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 Reilly stood among all girls' names in any year, or use the compare tool to plot it against other names.
Reilly 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 | 60 | #2,855 | 48 | #2,708 |
| 2024 | 64 | #2,714 | 46 | #2,822 |
| 2023 | 50 | #3,261 | 56 | #2,429 |
| 2022 | 65 | #2,678 | 55 | #2,509 |
| 2021 | 65 | #2,666 | 60 | #2,319 |
| 2020 | 81 | #2,236 | 51 | #2,538 |
| 2019 | 81 | #2,267 | 72 | #2,037 |
| 2018 | 72 | #2,472 | 71 | #2,039 |
| 2017 | 75 | #2,422 | 64 | #2,151 |
| 2016 | 99 | #2,013 | 95 | #1,671 |
| 2015 | 90 | #2,137 | 84 | #1,800 |
| 2014 | 89 | #2,152 | 104 | #1,546 |
| 2013 | 103 | #1,936 | 114 | #1,457 |
| 2012 | 108 | #1,870 | 149 | #1,205 |
| 2011 | 140 | #1,569 | 143 | #1,226 |
| 2010 | 139 | #1,581 | 163 | #1,142 |
| 2009 | 163 | #1,438 | 172 | #1,084 |
| 2008 | 193 | #1,293 | 210 | #958 |
| 2007 | 199 | #1,246 | 218 | #911 |
| 2006 | 178 | #1,321 | 174 | #1,046 |
| 2005 | 241 | #1,014 | 178 | #978 |
| 2004 | 268 | #907 | 168 | #990 |
| 2003 | 276 | #876 | 196 | #875 |
| 2002 | 305 | #776 | 204 | #823 |
| 2001 | 325 | #738 | 202 | #817 |
| 2000 | 289 | #795 | 194 | #827 |
| 1995 | 84 | #1,744 | 95 | #1,189 |
| 1990 | 52 | #2,392 | 43 | #1,834 |
| 1985 | 7 | #9,037 | 39 | #1,640 |
| 1980 | 8 | #7,949 | 5 | #7,058 |
| 1975 | — | — | 5 | #6,128 |
| 1970 | — | — | — | — |
| 1965 | — | — | — | — |
| 1960 | — | — | — | — |
| 1955 | — | — | — | — |
| 1950 | — | — | — | — |
| 1945 | — | — | — | — |
| 1940 | — | — | — | — |
| 1935 | — | — | — | — |
| 1930 | — | — | — | — |
| 1925 | — | — | — | — |
| 1920 | — | — | — | — |
| 1915 | — | — | — | — |
| 1910 | — | — | — | — |
| 1905 | — | — | — | — |
| 1900 | — | — | — | — |
| 1895 | — | — | — | — |
| 1890 | — | — | — | — |
| 1885 | — | — | — | — |
| 1880 | — | — | — | — |
Famous people named Reilly
- Reilly Opelka Tennis player · b. 1997
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
What does the name Reilly mean?
From Irish Ó Raghallaigh, a surname meaning "descendants of Raghallach".
How popular is the name Reilly in 2025?
Reilly ranked #2,855 among girls' names in the United States in 2025, with 60 babies given the name, according to Social Security Administration data.
How many people are named Reilly?
10,088 babies have been named Reilly in the United States since 1953, based on Social Security card applications.
When was the name Reilly most popular?
Reilly peaked in 1997, when 543 newborns received the name.
Is Reilly a boy or girl name?
Reilly is used for both: about 55% of babies named Reilly have been girls and 45% boys.
Is the name Reilly rising or falling?
Reilly is declining — less popular now than a decade ago.
Who are famous people named Reilly?
Well-known people named Reilly include Reilly Opelka (tennis player).