According to the DFHS Deanery of Tamerton CD, the following children were baptised to a Thomas & Jenny LANE (not LEAN - could be an accent issue with the name being understood as LANE) at Bere Ferrers, which covered Bere Alston:
23 Apr 1815 John, father a miner of Gwennap, Cornwall
18 Apr 1824 Thomas, father a miner of Gwennap, Cornwall (with parents in 1841)
17 Nov 1826 William, father a miner of Beer Alston (mother's name Jane) (buried aged 6 in 1832)
Thomas LEAN married Jane SLEEP at Bere Ferrers 30 Jan 1814.
A Thomas & Jane LEAN baptised the following children at Tavistock Wesleyan Chapel:
17 Mar 1817 Mary
10 Mar 1822 Allaminte (?)
11 Oct 1836 Richard
They also baptised a son William 3 Aug 1834, with the surname recorded as LANE.