Career
Cotterell was of Wilsford, Lincolnshire. In 1616 he was appointed muster master by the Duke of Buckingham. He was confirmed in the office of groom-porter to King James on 10 July 1620 and was knighted at Whitehall on 26 December 1620.
Cotterell also had a grant to oversee, and grant licences for, activities such as cards, bowling alleys and tennis courts.
He was a Vice-Admiral of Lincolnshire from 1620 to 1631. In 1624 he was elected Member of Parliament for Grantham and for Boston and chose to sit for Grantham again.
Cotterell married Anne Alleyne, daughter of Henry Alleyne of Wilsford. Their son Charles became Master of Ceremonies.
