Mark Kerr, 1st Earl of Lothian

Mark Kerr (or Ker), 1st Earl of Lothian (15538 April 1609) was a Scottish nobleman and politician. He became the first Earl of Lothian in 1606.

Family background He was a member of the "famous border family" of Ker of Cessford. Kerr and his family lived in Newbattle Abbey, a mansion occupying the site of a Cistercian abbey founded in 1140.

Career Kerr was named Vicar of Linton in 1567. He was appointed Master of Requests in 1577, a role he held until 1606. He was a gentleman of the king's chamber in 1580. In 1581, he succeeded his father as Commendator of Newbottle. beginning in 1584, with his lands at Newbattle made into a Barony.

In 1604 he acted as interim Chancellor. He was created Earl of Lothian on 10 July 1606,

Marriage and family He married Margaret Maxwell, a daughter of John Maxwell, Lord Herries. Kerr and his wife were said to have 31 children.

Death He died on 8 April 1609.

His wife Margaret Maxwell was accused of causing his death through witchcraft. She died at Prestongrange House on 8 January 1617.