Facts and Events
He was born the son of Henry Carey, 1st Baron Hunsdon and was the younger brother of George Carey, 2nd Baron Hunsdon and the grandson of Mary Boleyn. It is alleged that his father was the illegitimate son of Henry VIII of England born of Mary Boleyn when she was a royal mistress. He was educated at Trinity College, Cambridge. He was knighted in 1598 and succeeded his brother as third Baron Hunsdon in 1603.
He held a number of court and public offices such as Gentleman pensioner by 1573-1603, Chamberlain of Berwick-upon-Tweed in 1585; Deputy Warden of East March; Justice of the Peace for Cambridgeshire in 1594; Marshal of Berwick-upon-Tweed in 1596–1598 and 1603. He was elected MP for Buckingham in 1584, 1589 and 1593.
He married Mary, the daughter of Leonard Hyde of Hyde Hall and Throcking, Hertfordshire, widow of Richard Peyton of Little Chesterford, Essex. They had three sons and two daughters.
John Carey died at Hunsdon, Hertfordshire in 1617 and was succeeded by his son, Henry Carey, 1st Earl of Dover.