Reilly

A valiant and adventurous name meaning “Brave”

The name Reilly is of Irish origin and is derived from the Gaelic surname O’Raghailligh, meaning “descendant of Raghailleach.” The name Raghailleach itself is believed to come from the Irish word “raghallaigh,” which means “valiant,” “courageous,” or “bareheaded.”

Historically, the name Reilly was a prominent surname in Ireland, particularly in the County Cavan area, where the O’Reilly clan held significant power and influence. The O’Reillys were one of the ruling families of the Kingdom of East Breifne and played a significant role in Irish history.

In modern times, the name Reilly has transitioned from being primarily a surname to a unisex given name. It has become popular in English-speaking countries as a first name for both boys and girls.

The name Reilly carries connotations of strength, bravery, and leadership, making it a meaningful choice for parents looking for a name with Irish roots and a powerful significance.