Hagan is a name of Irish origin, derived from the Gaelic 'Ó hÁgáin', which means 'descendant of Ágan'. The name was originally associated with the Hagan clan, one of the many septs that migrated to Ireland during the early Middle Ages. Today, Hagan is often used as a given name for boys and has gained popularity in recent years due to its distinctive sound and unique spelling. It is also sometimes used as a surname in Ireland and Scotland.
The name Hagan experiences significant fluctuations in popularity over time, with a notable spike beginning around the late 1980s and peaking between 1994 to 2006. However, it has since decreased again, reaching its lowest point in recent years with only 23 births recorded in 2023. Overall, the name Hagan has been given to 1397 newborns since 1914.