Background
Thorold was the second son of William Thorold, of Marston, Lincolnshire and his wife Frances, daughter of Sir Robert Tyrwhitt, of Kettleby, Lincolnshire.
Thorold was the second son of William Thorold, of Marston, Lincolnshire and his wife Frances, daughter of Sir Robert Tyrwhitt, of Kettleby, Lincolnshire.
He fought for the Royalist cause in the English Civil War. He was admitted to Gray"s Inn on 19 August 1610 and he was knighted on 3 August 1617. He was Sheriff of Lincolnshire from 1632 to 1633 and was created baronet of Marston on 24 August 1642.
In the Civil War, he fought for the King and suffered greatly as a result.
His estate was sequestrated on 15 March 1643 and he was fined £4,160, on 1 December 1646. Thorold married Anne Blythe, daughter of John Blythe, of Stroxton, near Grantham, Lincolnshire.
Thorold died at the age of 86 in 1678. John died without children and was succeeded as fifth baronet by William (died c 1720), son of Thorold"s third son John (died 1700).
Cavalier Parliament]
In 1661, Thorold was elected Member of Parliament for Grantham in the Cavalier Parliament.