High Sheriff of Hertfordshire is in High Sheriff.
In 1156 Richard "The Loyal" Lucy [aged 67] was appointed High Sheriff of Essex and High Sheriff of Hertfordshire.
In 1160 William Beauchamp 1st Baron Beauchamp [aged 55] was appointed High Sheriff of Hertfordshire.
In 1192 William de Braose 4th Baron Bramber [aged 48] was appointed High Sheriff of Hertfordshire.
In 1199 Walter Clifford 2nd Baron Clifford [aged 39] was appointed High Sheriff of Hertfordshire.
In 1207 Walter Clifford 2nd Baron Clifford [aged 47] was appointed High Sheriff of Hertfordshire.
In 1216 Walter Clifford 2nd Baron Clifford [aged 56] was appointed High Sheriff of Hertfordshire.
In 1218 Walter Lacy Lord Meath [aged 52] was appointed High Sheriff of Hertfordshire.
In 1221 Stephen Segrave [aged 50] was appointed High Sheriff of Hertfordshire and High Sheriff of Essex.
In 1376 John Devereux 1st Baron Devereux [aged 39] was appointed High Sheriff of Hertfordshire.
In 1470 William Denny [aged 47] was appointed High Sheriff of Hertfordshire.
In 1533 Philip Boteler [aged 41] was appointed High Sheriff of Hertfordshire.
In 1536 Henry Parker [aged 23] was appointed High Sheriff of Essex and High Sheriff of Hertfordshire.
In 1540 John Mordaunt 2nd Baron Mordaunt [aged 32] was appointed High Sheriff of Hertfordshire.
In 1540 Philip Boteler [aged 48] was appointed High Sheriff of Hertfordshire.
In 1557 Thomas Pope [aged 50] was appointed High Sheriff of Hertfordshire.
In 1566 John Brocket [aged 26] was appointed High Sheriff of Hertfordshire.
In 1593 John Leventhorpe 1st Baronet [aged 33] was appointed High Sheriff of Hertfordshire.
In 1603 Edward Denny 1st Earl Norwich [aged 33] was appointed High Sheriff of Hertfordshire.
In 1607 John Leventhorpe 1st Baronet [aged 47] was appointed High Sheriff of Hertfordshire.
In 1616 William Newce was appointed High Sheriff of Hertfordshire.
In 1626 John Jennings was appointed High Sheriff of Hertfordshire.
In 1655 John Reade 1st Baronet [aged 39] was appointed High Sheriff of Hertfordshire.
In 1673 John Reade 1st Baronet [aged 57] was appointed High Sheriff of Hertfordshire.
In 1690 John Garrard 3rd Baronet [aged 52] was appointed High Sheriff of Hertfordshire.
In 1693 James Reade 2nd Baronet [aged 37] was appointed High Sheriff of Hertfordshire.
In 1696 John Gape [aged 72] was appointed High Sheriff of Hertfordshire.
In 1815 Andrew Reid [aged 64] was appointed High Sheriff of Hertfordshire.
In 1878 Thomas Fowell Buxton [aged 55] was appointed High Sheriff of Hertfordshire.
In 1939 Cecil Gustavus Jacques Neumann aka Newman 2nd Baronet [aged 47] was High Sheriff of Hertfordshire.