The story
- Irish · derived fromÓ Baoighealláin“descendant of Baoigheallán”
- English todayBoylan
Reduced Anglicized form of Irish Ó Baoighealláin (“descendant of Baoigheallán”), a diminutive of Baoigheall, a personal name composed of the elements baoth (“vain, foolish”) + geall (“pledge, token”).
Etymology from Wiktionary, CC BY-SA 4.0.