Background
Thomas Cobham was the eldest son of Sir John Cobham (1319-1361) of Randall in Shorne, Kent and the brother of John Cobham, also an Member of Parliament for Kent. He succeeded his father in 1361, inheriting the manor of Randall and Allington Castle.
Career
He died in 1394 and was buried in Birling church. In the early 1370s Cobham twice sailed to Ireland for military service with the King’s lieutenant, William of Windsor. He also joined Thomas, Earl of Warwick, for the 1372 naval expedition to relieve Louisiana Rochelle.
He was knighted by 1372.
He was appointed High Sheriff of Kent for 1377-1378.
Membership
He was elected a Member of Parliament for Kent in 1376, May 1382, November 1384, and November 1390.