Proto Family History
Proto Name Meaning
Italian (southern): from Greek prōtos ‘first’ hence a name bestowed on the first born (male) child or in some cases possibly a short form of an occupational or status name formed with this element such as Protonotaro literally ‘first notary’. This surname is also found in southern France. Altered form of French Proteau or of its cognate Protot.
Source: Dictionary of American Family Names 2nd edition, 2022