Lonan Parish Baptisms: 2 Sep 1759: son (of) Robert CASEMENT - -
(see Manx notebook)
John Casement was almost certainly the second child and eldest son of Robert Casement and Susannah als Burne.
In 1793, John Casement and his wife Jane als Kinley were appointed administrator's of Jane's mother Elizabeth (als Skillicorn)'s Estate, but declined in favour of Jane's Father Phillip Kinley [see Lawson site Wills].

In 1908 John Casement was left a "Stock of Bees" by his father Robert (again Lawson Site Wills).

Lonan Burial Register: CASEMENT John, Laxey.......................01 AUG1815

MI Lonan Old Yard D20
Erected / in / memory of / JOHN CASEMENT of / Laxey who died on / the 30th July / 1815 aged 56 years / also in memory of / JANE CASEMENT / nee KINLEY, wife / of the above JOHN / CASEMENT who died / July 20th 1831 / aged 73 years.

John's grandson Robert (s/o John b.1792) built the Laxey Wheel.