1712 in Wales

This article is about the particular significance of the year 1712 to Wales and its people.

Incumbents

1 January
*Thomas Mansel, 5th Baronet, becomes 1st Baron Mansel.
*Thomas Trevor is raised to the peerage as 1st Baron Trevor of Bromham.
*Thomas Windsor, son of the Earl of Plymouth, is created Baron Mountjoy. Windsor, the second husband of Charlotte Jeffreys, daughter of Philip Herbert, 7th Earl of Pembroke, would sell much of his family's Welsh property, but their Glamorgan estates would pass through the marriage of a descendant, Charlotte Hickman-Windsor, to John Stuart, 1st Marquess of Bute.
July - On the death of its Principal Jonathan Edwards, Jesus College, Oxford, inherits his extensive library. Edwards is buried in the college chapel, whose restoration is funded by another bequest in his will.
August - Jonathan Edwards is replaced as Principal of Jesus by John Wynne, who has the support of the college Visitor, the Earl of Pembroke.
October - Erasmus Lewis is appointed "provost-marshall-general in the Barbadoes".