his arms, by virtue of a late record taken forth of the College of Arms tempore William III. in a field Sable, an eagle displayed Or. The name Tonkin, alias Tankin, synonymous words, signifies a person or thing in the tank or tonk, viz. an artificial cistern, pool, pond, or fountain of water.
This being the first parish in the hundred of Pider, I take the opportunity of stating my opinion, that the name clearly imports the fourth, Perwith, Kesrier, Powder, and Pider, all of which meet in one point, where the four parishes of Redruth, Gwennap, Kenwyn, and St. Agnes, actually touch; and the spot is called Kyvere Ankou, the place of death, on account of the frequent burial there of felones de se, or persons who have destroyed themselves.
Trevannence I believe to mean the town in a valley of springs. This barton has belonged to my family upwards of five hundred years, so that we have used the name de Trevannence, by customary inheritance of the manor of Tywarnhails. But in 1559 Henry Earl of Rutland, then Lord of the Manor, sold the fee of his right in Trevannence to Richard Carne the younger, of Camborne, Gent, who reconveyed it the same year to John Jeffry; and he conveyed it, in 1593, to Thomas Tonkin.
[This estate was the property and the seat of Thomas Tonkin, of Trevaunance, Esq. who made large collections for a parochial History of Cornwall. Mr. Tonkin enjoyed his estate but a few years; he died in 1742. His two sons, who did not long survive him, successively inherited his estates, which, after their death, were for a while in the possession of Thomas Heyes, Esq. who married the daughter and heir of his son