Jonathan Knevett (also spelt Knevitt), married Mary on October 17, 1741 at Saint Paul Covent Garden, Westminster, London, England.

He was born in Ealing, MDX. England. In 1751 he was a Gardener in Old Brentford, MDX. England. He died on May 6, 1777 at the age of 57. Mary was also born in Ealing and was the daughter of John Jones. She died after November 24, 1778.

National Archives (UK)
Reference: ACC/0891/02/03/0120
Manor of Ealing with Acton: Copy of court roll.
Admission of Mary Knevett on the death of John Jones, (April 8, 1751).

Reference: ACC/0891/02/01/0033
Manor of Ealing with Acton: Copy of court roll.
Admission of Jonathan Knevett and Mary his wife, daughter of John Jones, and surrender to the use of her will.
Property: The 'Salutation', Old Brentford, in which John Jones lately dwelt, and 2 little houses adjoining on the west, (May 8, 1751).

Reference: ACC/0891/02/01/0034
Manor of Ealing: Bond with conditional surrender for security of payment of £150. Jonathan Knevett of Old Brentford, gardener, to John Matts of Old Brentford, fisherman.
Property: As in ACC/0891/02/01/0033, (December 19, 1751).

Reference: ACC/0891/02/01/0035
Conditional surrender by Jonathan and Mary Knevett to John Matts, (April 1, 1752).

Reference: ACC/0891/02/05/0268
Manor of Ealing: Attested copy of conditional surrender.
Jonathan Knevett and Mary, his wife, to William Jones of Old Brentford, victualler.
Property: Messuage and premises called the Salutation, (October 8, 1755).

The Proceedings of the Old Bailey
Reference: t17511204-19
Jonathan Knevitt, (Mr. Knevett), mentioned in passing in trial of William Hughes, theft with violence : highway robbery, (December 4, 1751).