Manni Family History
Manni Surname Meaning
Italian: patronymic or plural form of Manno. Swiss German: unexplained. Compare Mauney.
Finnish: habitational name from farms so named from the personal name Manni a vernacular short form of Hermanni (see Herman) and Immanuel (see Emanuel).
Established as a hereditary surname since the 19th century in southern and southwestern Finland.
Source: Dictionary of American Family Names 2nd edition, 2022
