From 1385 to 1390 Ralph Eure (age 35) was appointed High Sheriff of Northumberland.

From 1397 to 1399 Ralph Eure (age 47) was appointed High Sheriff of Northumberland.

In 1454 Robert Manners (age 46) was appointed High Sheriff of Northumberland.

In 1527, 1533, 1542, 1548 and 1554 John Delaval (age 55) was appointed High Sheriff of Northumberland.

In 1578 William Fenwick (age 28) was appointed High Sheriff of Northumberland.

In 1601 Nicholas Forster (age 61) was appointed High Sheriff of Northumberland.

In 1601 Edward Talbot 8th Earl of Shrewsbury (age 39) was appointed High Sheriff of Northumberland.

In 1609 Edward Talbot 8th Earl of Shrewsbury (age 47) was appointed High Sheriff of Northumberland.

Before 17 Oct 1609, when his inventory of £824 was appraised by John Salkeld, Thomas Orde, George Harbottle, Nicholas Forster (age 69) was appointed High Sheriff of Northumberland.

In 1612 Claudius Forster 1st Baronet (age 37) was appointed High Sheriff of Northumberland.

In 1619 John Fenwick 1st Baronet (age 49) was appointed High Sheriff of Northumberland.

In 1644 John Fenwick 1st Baronet (age 74) was appointed High Sheriff of Northumberland.

In 1649 Ralph Delaval 1st Baronet (age 26) was appointed High Sheriff of Northumberland.

In 1688 William Blackett 1st Baronet (age 30) was appointed High Sheriff of Northumberland.

In 1729 Francis Blake Delaval (age 36) was appointed High Sheriff of Northumberland.

In 1731 Walter Calverley aka Blackett (age 23) was appointed High Sheriff of Northumberland.

In 1772 Francis Blake 1st Baronet (age 62) was appointed High Sheriff of Northumberland.

In 1801 Charles Miles Lambert Monck 6th Baronet (age 21) was appointed High Sheriff of Northumberland.

In 1807 William Blackett 5th Baronet (age 47) was appointed High Sheriff of Northumberland.

In 1833 Edward Blackett 6th Baronet (age 27) was appointed High Sheriff of Northumberland.

In 1884 Arthur Monck aka Middleton 7th Baronet (age 45) was appointed High Sheriff of Northumberland.

In 1911 Captain James Harold Cuthbert (age 34) was appointed High Sheriff of Northumberland.

John Heron of Ford Castle Northumberland was appointed High Sheriff of Northumberland.