Holding steady.
Popularity of Reilley since 1996
Babies named Reilley per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1990s | 48 | 14 |
| 2000s | 113 | 69 |
| 2010s | 19 | 24 |
| 2020s | 0 | 0 |
Meaning & origin
Reilley is an anglicized spelling of the Irish surname Riley, given to both boys and girls since the late 20th century. First recorded in 1996, the name reached its peak popularity in 2004. Its trajectory has been stable, with sporadic use across the United States. While it has never cracked the top 1000, Reilley remains a recognizable alternative to the more common Riley.
Reilley is a variant spelling of Riley, which originated as an Irish surname from Ó Raghallaigh, meaning 'descendant of Raghallach'. The personal name Raghallach is of uncertain origin but may derive from elements meaning 'race' or 'valiant'. The surname was brought to England and later became used as a given name in the United States from the late 20th century onward. The spelling Reilley is less common than Riley but has appeared since the 1990s.
Nicknames & variants
Nicknames: Rye, Lee
Sibling names for Reilley
Names that share Reilley's style, for a brother or sister.

