Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
VERRALL
As described in historical dictionaries
Patronymica Britannica (1860)
VERRALL. Tliis name, abundant in East Sussex, and rarely found out of it, may be a corruption of Firle, a parish near Lewes — sometimes in old documents written Ferle, and usually pronounced as a dissyllable.