Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LOFFT
As described in historical dictionaries
Patronymica Britannica (1860)
LOFT. LOFFT. From residence in a loft or upper chamber. The form Ad le Loft, "at the Loft,'' occurs several times in H.R.