Unusually, "Tallentire" appears to contain a definite article in the form of -en, leading to the proposition that *[h]ïn was a definite article in the Brittonic of the North, although ï[r] (Welsh y; see Penyghent, Penicuik) is considerably more common.
[3] Tallentire is part of the Penrith and Solway constituency for UK parliament.
For Local Government purposes it's in the Cumberland unitary authority area.
It was previously part of the Broughton St Bridget's electoral ward of Allerdale Borough Council.
[4] Tallentire was part of the Dearham and Broughton Ward of Cumbria County Council.