De%20matteis Family History
De%20matteis Name Meaning
Italian: patronymic from the personal name Matteo ‘Matthew’. It is formed with the Latin ablative plural suffix -is imparting the broader sense ‘belonging to of’ in this case ‘member of the Mattei family’ (compare Mattei ). This surname is also found in southern France (in the form Dematteis). Compare also Matteis .
Source: Dictionary of American Family Names 2nd edition, 2022