Little ruler or descendant of the king
Reaghan is a modern spelling variant of the Irish surname Reagan. It is derived from the Gaelic name Riagán, which is composed of the word 'rí' meaning king and a diminutive suffix. While the original surname is gender-neutral, this specific spelling is almost exclusively used for girls in the United States.
About 11 girls were named Reaghan in 2025.
US births per 5-year period, 1990–present (SSA data).
