The name Maclean is a boy's name of Scottish origin meaning "servant of Saint John". Maclean and is often added to lists like Mac Names and discussed in our forums with posts like "build a sibset with middle names".
From the experts:
Whether you pronounce it Mac-cleen or Mac-clayn, this is one of the crispest and most appealing of the Mac names. The Scottish clan Maclean is one of the oldest of the Highland Scottish clans. Trivia tidbit: Sir Fitzroy Maclean is said to have been an inspiration for the Ian Fleming James Bond character.