Reily is a rare variant of Reilly that peaked in 2006 and has since faded.
Reily is predominantly a boy name. It last appears in U.S. records in 2025. Reily was first reported in SSA data in 1992 and peaked in 2006 (51 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 5 | 5 | #16,735 | — |
| 2024 | 5 | 5 | #17,156 | — |
| 2020 | 8 | 8 | #11,912 | — |
| 2019 | 10 | 10 | #17,457 | #13,703 |
| 2018 | 14 | 14 | #15,255 | #9,483 |
| 2017 | 15 | 15 | #15,534 | #8,677 |
| 2016 | 14 | 14 | #12,643 | #11,831 |
| 2015 | 12 | 12 | — | #6,993 |
| 2014 | 15 | 15 | #18,629 | #8,000 |
| 2013 | 23 | 23 | #16,121 | #5,346 |
| 2012 | 35 | 35 | #13,190 | #3,862 |
| 2011 | 42 | 42 | #8,534 | #3,768 |
| 2010 | 44 | 44 | #12,051 | #3,223 |
| 2009 | 47 | 47 | #7,617 | #3,616 |
| 2008 | 65 | 65 | #7,672 | #2,621 |
| 2007 | 59 | 59 | #10,015 | #2,635 |
| 2006 | 82 | 82 | #4,661 | #2,440 |
| 2005 | 63 | 63 | #5,399 | #2,792 |
| 2004 | 33 | 33 | #6,157 | #6,067 |
| 2003 | 32 | 32 | #8,941 | #4,240 |
| 2002 | 36 | 36 | #5,628 | #5,089 |
| 2001 | 39 | 39 | #5,763 | #4,258 |
| 2000 | 29 | 29 | #6,419 | #5,833 |
| 1999 | 37 | 37 | #4,998 | #4,713 |
| 1998 | 46 | 46 | #4,216 | #3,819 |
| 1997 | 28 | — | #6,421 | #4,895 |
| 1996 | 22 | — | #6,658 | #6,971 |
| 1995 | 13 | — | #15,184 | #6,847 |
| 1994 | 14 | — | #11,480 | #7,582 |
| 1993 | 9 | — | — | #6,120 |
| 1992 | 6 | — | — | #8,234 |