Regan is a unisex name that has Celtic origins, meaning "regal" or "royal." Those with the name Regan are often characterized as being charismatic, confident, and assertive individuals. They are natural leaders who are not afraid to speak their minds and stand up for what they believe in. Regan is a name that exudes strength and authority, making it a popular choice for parents looking for a name that embodies power and influence. Overall, individuals named Regan are often seen as dynamic and influential in their circles.