Detheridge Family History
Detheridge Surname Meaning
from the Middle English personal name Thedrich Dedrich (Old English Þēodrīc from elements meaning ‘people’ and ‘power(ful) rule’)
with interchange of the consonants /d/ and /θ/ both produced with the forepart of the tongue.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
