Sinnott Family History
Sinnott Name Meaning
English (Lancashire) and Irish (Wexford): from the Middle English personal name Sinod Sinot (Old English Sigenōth from sige ‘victory’ + nōth ‘boldness’). Although of English origin the surname is now far more common in Ireland than in England; it has been prominent in Wexford since the 13th century.
Source: Dictionary of American Family Names 2nd edition, 2022