Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
WARTER
As described in historical dictionaries
Patronymica Britannica (1860)
WARTER. The Warters of Shropshire, who assert a Saxon origin, derive their name from the parisli of Warter, co. York. Some branches have varied the ortliography to Wartyr, Watur, Water, and AValter. Burke's L.G.