Reilley
- Gender
- Mostly girls
- Say it
- RYE-lee
- Origin
- Irish
Reilley is a name of Irish origin. Too few babies were given it in the latest year to rank.
What does Reilley mean?
Irish: spelling of Reiley; respelling of Riley, from Irish O Raghallaigh
Riley is both an Irish surname, from O Raghallaigh, and an English place name meaning 'rye clearing'.
Meaning borrowed from Reiley.
Is Reilley a girl's or a boy's name?
In recent years, Reilley has been given to girls and boys, mostly girls.
How popular is Reilley in the US?
No girls in the US were given it in 2025, or too few to be listed. Its busiest year was 2004, with 17 girls. It first appears in the records in 1996.
Half of all the girls named Reilley in the US since 1880 were born between 1999 and 2006, the years shaded on the chart below.
Reilley in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2013 | 7 | #13,145 |
| 2012 | 0 | – |
| 2011 | 6 | #14,816 |
| 2010 | 6 | #14,953 |
| 2009 | 11 | #9,971 |
| 2008 | 10 | #10,802 |
| 2007 | 0 | – |
| 2006 | 13 | #8,711 |
| 2005 | 9 | #10,915 |
| 2004 | 17 | #6,763 |
| 2003 | 15 | #7,202 |
| 2002 | 12 | #8,274 |
| 2001 | 14 | #7,311 |
| 2000 | 12 | #8,020 |
| 1999 | 13 | #7,233 |
| 1998 | 15 | #6,355 |
| 1997 | 15 | #6,158 |
| 1996 | 5 | #13,511 |
Names related to Reilley
Reilly, Ryelle, Raelle, Rielle, Rhiley, Railey, Ruelle, Raeley
More Irish names
Oscar, Rowan, Rory, Maeve, Finn, Aiden, Ryan, Nolan, Quinn, Orla, Cody, Erin, Ronan, Connor, Declan, Casey
Sources
Figures from Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Reilley: name meaning, origin and popularity”, https://www.nameling.co.uk/names/reilley, updated 20 October 2026.