Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
THATCHER
As described in historical dictionaries
Patronymica Britannica (1860)
THATCHER. The occupation. See under Thacker. In the Hundred Rolls, Le Thechare, Thacchere ; also the Norm. French foi'ms, Le Coverur, Le Covurtur, &c.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English