Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
MARTINEAU
As described in historical dictionaries
Patronymica Britannica (1860)
MARTINEAU. From the Italian \Iartino. Talbot's English Etymol. But this is doubtful. The family were settled at Norwich in the reign of Elizabeth.
Region of origin: Europe
Country of origin: France
Language of origin: French