Hannon Family History
Hannon Name Meaning
Irish: Anglicized form of Gaelic Ó hAnnáin ‘descendant of Annán’ a personal name from a shortened diminutive of annadh of uncertain meaning. Walloon and northern French: from a pet form of the personal name Jehan ‘John’ (see Jean ).
Source: Dictionary of American Family Names 2nd edition, 2022