Sidney Family History
Sidney Name Meaning
English (Durham):: habitational name from Sidney Farm in Alfold (Surrey) from Old English sīd ‘large spacious long’ (dative sīdan) + ēg ‘island’. possibly also a habitational name from any of the places called Saint-Denis in Normandy named from the dedication of their churches to Saint Dionysius (see Dennis ).
Source: Dictionary of American Family Names 2nd edition, 2022