20th Century
- 1900: Richard Bennett, of Beaumaris
- 1901: William Jones, of Llwydiarth Fawr, Llanerchymedd
- 1902: Russell Allen, of Beaumaris
- 1903: Robert Williams Roberts, of Craig Owen, Menai Bridge
- 1904: William Glynne Massey, of Cornelyn, Beaumaris
- 1905: John Prichard-Jones, of Bron Menai, Dwyrau
- 1906:
- 1910: James Venmore JP, of 27 Anfield Road, Liverpool. born 1850 Llanerchymedd, Anglesey
- 1913: The Hon. Arthur Lyulph Stanley, of Penrhos, Holyhead
- 1917: Henry Grayson
- 1950: Sir Charles Michael Robert Vivian Duff, Bt., of Vaynol Park, Bangor, Caernarvon, and Trefarthen, Anglesey
- for 1974 onwards see High Sheriff of Gwynedd
Read more about this topic: High Sheriff Of Anglesey