Bequeathed £100 in his father's Will (1802), along with his share in Wheal Providence Mine in Illogan parish.
Bequeathed £100 in his mother's Will (written 1826), along with the land tax payable out of the tenement of Wall in Gwinear parish.
In 1831 Tobias Lanyon, Esq., was a witness at the marriage of his daughter Mary Anne to Richard Lanyon of Kennal Vale, merchant.
In 1837 Tobias Lanyon, surgeon, was a witness at the marriage of his daughter Elizabeth to James Lanyon of Camborne, mine agent.
In 1841 Tobias Lanyon, aged about 75, surgeon, and wife Elizabeth, aged about 60, were living in Town, Camborne, Cornwall. With them was son William, aged about 30, mine agent.
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At Camborne, on the 29th ult., Tobias Lanyon, Esq. in the 81st year of his age. He was the representative of the ancient houses of Lanyon de Lanyon, in Maddern and Gwinear.
Royal Cornwall Gazette, 11 October 1844, p. 3
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Richard Lanyon of the parish of Camborne in the county of Cornwall, surgeon, Thomas Thomas of the same place, innkeeper, and William Davy of Redruth in county Cornwall, gentleman, paid bond of £4,000 for Administration of goods and chattels of Tobias Lanyon late the Camborne, surgeon.
Administration was granted 13 Nov 1844 to the said Richard Lanyon, the son and one of the next of kin of the said deceased. Effects sworn under £2,000. 5