Sinnott Family History
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Sinnott Name Meaning
English and Irish: from the Middle English personal name Sinod, Old English Sigenoð, composed of the elements sige ‘victory’ + noð ‘brave’ 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 ©2013, Oxford University Press