In 1588 William Cavendish 1st Earl Devonshire (age 35) was elected MP Newport.

In 1604 Robert Killigrew (age 24) was elected MP Newport.

In 1621 Robert Killigrew (age 41) was elected MP Newport.

In 1628 Colonel Piers Edgecumbe (age 19) was elected MP Newport.

In 1660 Francis Drake 2nd Baronet (age 42) was elected MP Newport. He was re-elected in 1661.

In 1660 William Oglander 1st Baronet (age 49) was elected MP Newport which seat he held until his death in 1670.

In 1662 Colonel Piers Edgecumbe (age 53) was elected MP Newport.

In 1679 William Coryton 3rd Baronet (age 28) was elected MP Newport which seat he held until 1681.

In 1679 John Coryton 2nd Baronet (age 30) was elected MP Newport.

In 1681 William Morice (age 21) was elected MP Newport.

In 1685 William Morice (age 25) was elected MP Newport.

In 1690 Charles Cheyne 1st Viscount Newhaven (age 64) was elected MP Newport.

In 1690 Charles Cheyne 1st Viscount Newhaven (age 64) was elected MP Harwich and MP Newport choosing to sit for Harwich.

In 1701 William Pole 4th Baronet (age 23) was elected MP Newport.

In 1702 Nicholas Morice 2nd Baronet (age 21) was elected MP Newport, and re-elected in 1705, 1708, 1710, 1713, 1715 and 1722.

In 1708 William Pole 4th Baronet (age 30) was elected MP Newport.

In 1727 William Morice 3rd Baronet (age 20) was elected MP Newport unopposed.

In 1734 John Molesworth 4th Baronet (age 28) was elected MP Newport.

In 1744 John Molesworth 4th Baronet (age 38) was elected MP Newport which seat he held until 1761.

In 1768 Hans Sloane Stanley (age 28) was elected MP Newport.

In 1774 Richard Worsley 7th Baronet (age 22) was elected MP Newport.

From 1790 Richard Worsley 7th Baronet (age 38) was elected MP Newport.

In 1818 Charles Duncombe 1st Baron Feversham (age 53) was elected MP Newport.

In Nov 1870 Charles Cavendish Clifford 4th Baronet (age 49) was elected MP Newport at a by-election.