Manni Family History
Manni Name 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