Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
DANSEY
As described in historical dictionaries
Patronymica Britannica (1860)
DANSEY. William Dauntesey lield lauds in Wiltshire temp. Henry III., and his son Richard D. held lands in that co. and in Hereford. Camden. See Dancey.