Mclennan Family History
Mclennan Name Meaning
Scottish: Anglicized form of Gaelic Mac Gille Fhinnein a patronymic from a personal name meaning ‘servant or devotee of (Saint) Finnian’. Finnian is a personal name representing a diminutive of fionn ‘white’. There were several early Irish saints of this name.
Source: Dictionary of American Family Names 2nd edition, 2022