Maclean · proper noun1
From Scottish Gaelic MacGilleEathain, patronymic form of a personal name meaning "servant of (Saint) John".
MacLean · proper noun2
- Scottish Gaelic · derived fromMacGilleEathain
- English todayMacLean
From Scottish Gaelic MacGilleEathain, meaning "son of the servant of John".
Etymology from Wiktionary, CC BY-SA 4.0.