Background
He was the eldest surviving son of Sir John Puleston of Caernarvon and Bersham, who was Member of Parliament for Caernarvon and Caernarvonshire.
He was the eldest surviving son of Sir John Puleston of Caernarvon and Bersham, who was Member of Parliament for Caernarvon and Caernarvonshire.
He succeeded his father in 1551. He was a Justice of the Peace for Denbighshire in 1555-1561, Justice of the Peace of the Quorum from 1562 until his death, and appointed High Sheriff of Denbighshire for 1558-1559 and 1569-1570. He was also High Sheriff of Montgomeryshire for 1571-1572 and from 1573 to his death a Justice of the Peace for Caernarvonshire.
He was elected a Member (Member of Parliament) of the Parliament of England for Caernarvon Boroughs in 1547 and for Denbighshire in March 1553 and 1571.