Like somewhat more popular twin sister Reagan, this vibrant last-name-first Irish choice makes a strong, straightforward option.

A spelling variant of presidential surname Regan that briefly entered the Top 1000 for boys in the 1960s, but hasn't rejoined the list since. Shakespeare also used the name for a daughter of King Lear, inspired by an ancient king of the Britons in accounts of the medieval scribe Geoffrey of Monmouth.