NANCHOLAS. From nan-wollas, the lower valley; or nan-golas, the bottom of the valley. There is a place called Trecollas in Alternun.
NANCOLLINS. The valley of Collins. There is Nancegollan in Crowan.
NANCOTHAN. From Nancothan in Madron, said to mean "the old valley" (cooth, old); but it may be from nan-coit-an, "the woody valley" (coit, coid, a wood). Hence the name Nacothan. John Nacothan occurs in the copy of a muster-book for the parish of Redruth in 1500.
NANFAN, NANPHANT, NANFON. From Nanfan in the parish of Cury, by some rendered the valley of the spring or fountain (nan-font). Nan-vown would mean the deep or low valley. John Nanfan, whose seat was at Trethewoll or Trethvall in St. Eval, was sheriff of Cornwall, temp. 7 Hen. VI. Lower says the Nanfans were a Cornish family of some distinction, which produced, among other worthies, John Nanfan, Esq., the first patron of Cardinal Wolsey, who had been his chaplain.
NANGARTHIAN. From nan-arth-an, the high valley or plain; or perhaps rather from nan-garz-an, the enclosure in the valley.
NANJULIAN. From nan-Julian, the valley of Julian. Julian, Jullian, Julyan, Julyn are not uncommon names in this county.
NANKERSEY. From Nankersy in Mylor, where some Dutch settlers built the town of Flushing; from nans-kersey, the winding valley.
NANKERVIS. This name is said to mean the valley in the beautiful place (nan-kerris, gerry); but, according to Burlase, Polkerris signifies "lowest stream" (from cerris
