Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
THOROUGHGOOD
As described in historical dictionaries
Patronymica Britannica (1860)
THOROUGHGOOD. Not so good as it seems, however ; for it lias no reference to moral excellence. Turgod is a Domesday baptismal appellation, and ThTU-good a Danish name, which has probabl)' been improved (.') to this orthography. See however, Thorowgood.
Surname type: Nickname
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English