Creative spelling of Riley, from Irish Gaelic 'Raghallaigh' meaning 'courageous' or 'valiant.'
Rileah is a creative spelling of Riley, from Irish Gaelic Raghallaigh, meaning "courageous" or "valiant." That gives the name a strong historical core even though its surface form is clearly contemporary.
The altered ending makes Rileah feel softer and more feminine than Riley while keeping its energetic Irish spirit. It has the kind of modern, airy spelling that can make a familiar name feel fresh. The result is approachable, stylish, and quietly brave in meaning.