MP Grantham is in Member Parliament.
In 1491 John Mordaunt [aged 35] was elected MP Grantham.
On 22nd January 1545 Edward Warner [aged 34] was elected MP Grantham.
In 1547 Edward Warner [aged 36] was elected MP Grantham.
In March 1553 Edward Warner [aged 42] was elected MP Grantham.
In October 1553 Edward Warner [aged 42] was elected MP Grantham.
In 1558 Anthony Thorold [aged 38] was elected MP Grantham with the support of Henry Manners 2nd Earl of Rutland [aged 31]
In 1571 William Killigrew [aged 16] was elected MP Grantham.
In 1584 William Thorold [aged 13] was elected MP Grantham.
In 1589 William Armyn of Osgodby South Kesteven Lincolnshire [aged 28] was elected MP Grantham.
In 1604 George Manners 7th Earl of Rutland [aged 24] was elected MP Grantham.
In 1624 George Manners 7th Earl of Rutland [aged 44] was elected MP Grantham.
In 1625 George Manners 7th Earl of Rutland [aged 45] was elected MP Grantham.
In 1625 William Armine 1st Baronet [aged 31] was elected MP Grantham.
In 1659 Thomas Skipwith 1st Baronet [aged 39] was elected MP Grantham. He was re-elected in 1660.
In 1689 John Brownlow 3rd Baronet [aged 29] was elected MP Grantham.
In 1708 Geoffrey Palmer 3rd Baronet [aged 52] was elected MP Grantham.
In 1727 Michael Newton 4th Baronet [aged 32] was elected MP Grantham in the 1727 General Election.
In 1734 Michael Newton 4th Baronet [aged 39] was elected MP Grantham.
In 1741 Michael Newton 4th Baronet [aged 46] was elected MP Grantham.
In 1743 John Cust 3rd Baronet [aged 24] was elected MP Grantham.
In 1774 Brownlow Cust 1st Baron Brownlow [aged 29] was elected MP Grantham.
In 1806 Russell Manners [aged 35] was elected MP Grantham which seat he held until 1807 when he did not stand.
In 1812 Robert Percy Smith [aged 41] was elected MP Grantham.
In 1818 Edward Cust 1st Baronet [aged 23] was elected MP Grantham.
In 1820 Montague Cholmeley 1st Baronet [aged 47] was elected MP Grantham which seat he held until 1826 when he retired in favour of his son Montague Cholmeley 2nd Baronet [aged 17].
In 1868 Hugh Cholmeley 3rd Baronet [aged 28] was elected MP Grantham.
In 1892 Henry Lopes 1st Baron Roborough [aged 32] was elected MP Grantham.