Rilya is a very rare girls' name that was most common in the 2000s and has all but disappeared.
Rilya is a girl name. It last appears in U.S. records in 2015. Rilya first appears in 2002 and peaked in 2004 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2015 | 6 | 6 | #16,032 |
| 2013 | 7 | 7 | #14,300 |
| 2012 | 7 | 7 | #14,677 |
| 2010 | 9 | 9 | #12,060 |
| 2008 | 6 | 6 | #17,052 |
| 2006 | 6 | 6 | #16,697 |
| 2005 | 6 | 6 | #16,026 |
| 2004 | 9 | 9 | #11,430 |
| 2002 | 5 | 5 | #17,533 |