Giammanco Family History
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Giammanco Name Meaning
Italian: either from the compound personal name Giammanco, composed of Gianni + manco ‘left-handed’ (see Manco), or in some cases an assimilated form of Giambanco, which is a compound of Gianni + Banco.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Giammarco, Giammona, Giampaolo, Giambalvo, Giammarino, Giangreco