Reigan is a unique and uncommon given name of Irish origin. It is derived from the Irish surname "Ó Ríagáin," which means "descendant of the little king." This name was historically used as a surname before evolving into a given name in more recent times. The name Reigan has not been extensively popularized, making it an appealing choice for parents seeking distinctive names for their children.
"Reigan experienced its peak popularity between 2015 and 2018, with 19, 17, and 15 births respectively. However, it's notable that the name's usage has been quite volatile over time, ranging from a low of 6 to a high of 19 births per year."