Little ruler or descendant of Riagán
Raegann is a modern American 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, effectively translating to 'little king' or 'noble child'.
Less common today
Raegann isn't in the latest US Top 1000. It last peaked at #10,231 in 2012.
US births per 5-year period, 1990–present (SSA data).