Declining since 2009, #5,099 for girls today.
Popularity of Rileigh since 1991
Babies named Rileigh per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1990s | 388 |
| 2000s | 1,844 |
| 2010s | 1,357 |
| 2020s | 243 |
Meaning & origin
The name Rileigh is a modern English respelling of the Irish surname Riley, which has been used as a first name since the late 1900s. Despite its relatively recent adoption, Rileigh saw a surge in popularity during the 2000s, reaching its peak rank of 5099 in 2009. However, since that peak year, its usage has been on a declining trajectory. In 2025, it was given to approximately 1 in 64,291 newborns, placing it well outside the top 1000. The spelling Rileigh, along with variants like Rylee and Ryleigh, reflects the broader American trend of modifying traditional names with unique orthographic patterns. While the name has not been widely concentrated in any particular state, it remains a recognizable choice within the modern landscape of creative name variants.
Rileigh is a modern respelling of Riley, itself from the Irish surname Ó Raghallaigh, which has been anglicized as O'Reilly. The traditional derivation links it to the Old Irish word 'raghallach', meaning 'valiant'. Alternatively, it may be locational, from a place name meaning 'rye clearing' in Old English. The name Riley has been used as a given name since the late 20th century, and Rileigh is one of many creative spellings that emerged in the 1990s and 2000s, popularized by the trend for unique phonetic variants.
Nicknames & variants
Nicknames: Rileigh, Rye, Lee
Sibling names for Rileigh
Names that share Rileigh's style, for a brother or sister.

