In 1572 Henry Wallop (age 32) was elected MP Southampton.

In 1581 Fulk Greville 13th Baron Latimer 5th Baron Willoughby 1st Baron Brooke (age 26) was elected MP Southampton.

In 1624 John Mill 1st Baronet (age 36) was elected MP Southampton. He was re-elected in 1625 and 1626.

In Apr 1640 John Mill 1st Baronet (age 52) was elected MP Southampton.

In 1661 Richard Ford (age 47) was elected MP Southampton.

In 1729 William Heathcote 1st Baronet (age 35) was elected MP Southampton.

In 1780 Hans Sloane Stanley (age 40) was elected MP Southampton.

In 1784 James Amyatt of Freemantle in Hampshire (age 49) was elected MP Southampton which seat he held until 1806.

In 1841 James Bruce 12th Earl Kincardine 8th Earl Elgin (age 29) was elected MP Southampton but the election was declared void on petition.

In 1862 Colonel William Anderson Rose (age 41) was elected MP Southampton.