Reily

Reily is a masculine name of Irish origin, representing a variant spelling of Riley. Derived from the Gaelic surname Ó Raghailligh, meaning 'descendant of Raghallach,' which combines elements meaning 'valiant' or 'brave.' This alternative spelling maintains the warm, friendly sound of the original while offering a slightly unique twist. Reily gained moderate popularity in the United States during the early 2000s as part of the trend toward using Irish surnames as first names. It carries connotations of courage and spiritedness without being overly formal. The name strikes a balance between familiarity and distinctiveness, making it recognizable yet somewhat uncommon compared to the more standard Riley spelling. Its approachable quality and strong heritage connections have helped maintain its appeal.

Reily is also given to girls, where it ranks #16735 in the US.

Pronounced RY-lee.

As of October 2026, Reily ranked #16735 in US births in 2025 SSA, peaked at #4216 in 1998.