Sir William Fermor, 1st Baronet (sometimes written as Farmer or Fermour) (1621 – 14 May 1661), was an officer in the Royalist army during the English Civil War.
He was appointed a commissioner of array for Northamptonshire in 1642, and served as a captain of the cavalry with the royalist forces at the Battle of Edgehill in October 1642, remaining in the army until 1645.
[3] In 1651, the authorities having discovered that Fermor had four or five years before married Mary, daughter of Hugh Perry of London, and widow of Henry Noel, second son of Viscount Camden,[4] who brought him an estate of £300, they obliged him to compound for that also.
[6] A Major Farmer was sent in 1659 with a troop of horse to secure Carlisle for George Monck, but failed in the attempt, Richard Elton, who commanded in the city, inducing the soldiers to keep him out.
Fermor in 1646 or 1647 married Mary (d. 1670), daughter of Hugh Perry of London, and widow of Henry Noel, second son of Edward, 2nd Viscount Campden.