Viscount Boyne, in the province of Leinster, is a title in the Peerage of Ireland.
He had already been created Baron Hamilton of Stackallan, in the County of Meath in 1715, also in the Peerage of Ireland.
His grandson, the second Viscount, represented Newport (Isle of Wight) in the House of Commons.
His first cousin, the fourth Viscount, sat as a member of the Irish House of Commons for Navan.
The heir apparent is the present holder's eldest twin son the Hon.