Etheridge Family Genealogy

English: altered form of Edrich, from the Middle English personal name Edrich, Ederick, Old English Eadric, composed of the elements ead ‘prosperity’, ‘fortune’ + ric ‘power’. Current since the beginning of the 17th century, it developed from the late 16th-century forms Et(t)riche, Et(t)ridge.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4