Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
SWINDELLS
As described in historical dictionaries
Patronymica Britannica (1860)
SWINDELLS. A corruption of sjimiedale, the valley of swine ; or it may be the same as Swindle. Swindale is a cliapelry m the hundred of Shap, co. Westmoreland.