Regan

The name 'Regan' has Gaelic origins and is predominantly used as a surname in Ireland. It is derived from the Gaelic personal name 'Ó Ríagáin', which means 'descendant of Riagán'. Riagán, in turn, comes from the Gaelic word 'riodhgach', meaning 'impulsive' or 'brave'. As a given name, Regan gained popularity in the United States during the late 20th century, likely influenced by the character of Regan in Shakespeare's play 'King Lear'. The name has different meanings depending on the cultural context. In Irish, it is associated with qualities such as bravery, courage, and impulsiveness. In English, it is often considered a unisex name, being used for both boys and girls.

Regan also has a historical significance as it was a common surname among several influential families in Ireland. The Ó Ríagáin family, for instance, held prominence in counties Clare and Kilkenny, where they were considered one of the noble 'Dalcassian' septs. Their territory included lands in County Cork, and they were recognized as hereditary poets to the royal houses of Munster and Connaught. Today, there are still individuals with the surname 'Regan' in Ireland who can trace their ancestry back to these noble families. It is not uncommon to find the name Regan in the United States, Canada, Australia, and other English-speaking countries, as well.

The name Regan gained further exposure through popular culture, particularly in the entertainment industry. Several notable figures bear the name, such as American television journalist Regan Burns, American figure skater Regan Smith, and American actress Regan Reilly. Overall, while Regan has roots in Irish heritage and is imbued with historical significance, it has also become a contemporary given name that represents strength, courage, and an adventurous spirit.