De%20cotis Family History
De%20cotis Name Meaning
Altered form (also Decotis) of Italian De Cotiis: patronymic from Coti itself probably a nickname or a metonymic occupational name from the plural form of cote ‘whetstone’. It is formed with the Latin ablative plural suffix -is imparting the broader sense ‘belonging to of’ in this case ‘member of the Coti family’.
Source: Dictionary of American Family Names 2nd edition, 2022