Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
MIDDLEBROOK
As described in historical dictionaries
Patronymica Britannica (1860)
MIDDLEBROOK. Local: place xmkuown, or perhaps now known as Milbrook. In this way, the manor and hamlet of Middleton, near Alfriston, co. Sussex, have been contracted to Milton-court and Milton-street.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English