Co-executor and a residuary legatee of his father's Will (1802)
In 1803 W Lanyon was a witness at the marriage of his sister Ann to William Hodge of Tregortha.
In 1810 Wm Lanyon was a witness at the marriage of his sister Mary to Thomas Huthnance of Camborne.
Bequeathed £5 in his mother's Will (written 1826).
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In 1841 William Lanyon, aged about 65, farmer, and brother John Lanyon, aged about 60, ind[ependent], were living in Wall, Gwinear, Cornwall.
In 1851 William Lanyon (78) of Gwinear, unmarried, farmer, and brother John Lanyon (74) of Gwinear, unmarried, were living in Wall, Gwinear.
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William Lanyon of Wall died aged 79 years (burial record).