It was created in 1720 for Sir Montague Blundell, 4th Baronet, Member of Parliament for Haslemere between 1715 and 1722.
He was made Baron Blundell, of Edenderry in the King's County, at the same time, also in the Peerage of Ireland.
His son, the third Baronet, sat in the Irish Parliament as the representative for King's County.
He was succeeded by his son, the aforementioned fourth Baronet, who was elevated to the peerage in 1722.
Viscount Blundell was Churchwarden of St George's, Hanover Square, London for the year 1738 – his tenure is listed in the church.