Background
Cowper was the son of Sir William Cowper, 1st Baronet of Ratling Court, Nonington, Kent and his wife Martha Master, daughter of James Master of East Langdon, Kent.
Cowper was the son of Sir William Cowper, 1st Baronet of Ratling Court, Nonington, Kent and his wife Martha Master, daughter of James Master of East Langdon, Kent.
Emmanuel College.
He was baptised on 8 December 1622. He was admitted at Emmanuel College, Cambridge on 7 July 1640 and at Lincoln"s Inn on 9 February 1643. He was called to the bar in 1650 but during the Interregnum, he became a property developer.
He was re-elected Member of Parliament for Hertford in 1659 for the Third Protectorate Parliament.
In March 1660 he was commissioner for militia for Hertfordshire and became J.P, retaining the position until 1678. In 1660 Cowper was elected Member of Parliament for Hertford again in the Convention Parliament.
He was commissioner for over and terminer on the Home circuit in July 1660 and commissioner for assessment for Hertfordshire from August 1660 to 1661. Cowper died at the age of about 60 and was buried at Street Michael, Cornhill on 8 August 1683.
Cowper married Anne Wroth, daughter of John Wroth of Loughton, Essex on 9 May 1657.
In 1656, he was elected Member of Parliament for Hertford in the Second Protectorate Parliament.