Little king or impulsive
A modern spelling variant of the Irish name Reagan, which is derived from the surname Ó Riagáin. It is traditionally interpreted as meaning 'little king' from the Gaelic word 'rí' (king) combined with a diminutive suffix, though some etymologists link it to 'riach' meaning 'impulsive'.
Fewer than 5 girls were named Rhaegan in 2025.
A minor character mentioned in the lore of the fantasy series · A Song of Ice and Fire
US births per 5-year period, 1990–present (SSA data).
