Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BROAD
As described in historical dictionaries
Patronymica Britannica (1860)
BROAD. This name which might at first sight appear to relate to breadth of back and shoulders— the "vidth" Avhich Mr. Tony Weller associates with "visdom" — i-eally refers to that part of a river which expands into a mere or lake. Le Brode, or The Broad, is a name which was given in ancient times to many such localities.
Surname type: Nickname
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English