Katherine Lowther

Katherine Lowther born Katherine Thynne became Katherine, Viscountess Lonsdale (21 September 1653 – 7 January 1713) was an English electoral patron. After her husband's death, she took over with his political influence in north-west England.

Life Lowther was born into the now ruined Caus Castle in 1653 into the Thynne family. She was a daughter of Sir Henry Thynne, 1st Baronet and Mary Coventry, her grandfather was Thomas Coventry, 1st Baron Coventry.

On 3 December 1674 she married John Lowther who was the first son of Colonel John Lowther and Elizabeth Bellingham. The Lowthers were an influential north-west English family. Their first child, Mary, was born at the home of her brother, Thomas Thynne, 1st Viscount Weymouth, in Staffordshire. Her husband's grandfather died on 30 November 1675 and he became the 2nd Baronet of Lowther in the County of Westmorland.

Death Lowther died in London in 1713 and she was buried like her husband in Lowther, It was said that no one was invited to her funeral but lots came. In her will she considered her three sons, three of her daughters and Sir John Wentworth, the husband of her late daughter Mary, but not her daughter Barbara. Barbara had secretly married the Catholic Thomas Howard of Corby Castle in 1705. This necessitated a difficult series of negotiations over the property rights of the bride and her children, which took till September 1706 to complete.