Devonna is an uncommon yet appealing Irish name derived from the surname Ó Deamhna, meaning 'descendant of Deamhan', itself derived from the Irish word for 'demon' or 'devil'. Despite its potential darker origins, Devonna bears historical significance and is rich in Irish culture, having been carried by notable figures like Devonna O'Deamhna, a chieftain in ancient Connacht. Today, it remains a rare yet captivating choice for those seeking a unique name with deep roots in Irish history.