| District Grand Prefects | ||
| 2022 | Brian Butterfield | Ebor TI C |
| 2020 | Graham Bailey | South Riding 243 |
| 2012 | David Malcolm Cordell | Tapton 153 |
| 2009 | Sydney John Bruton Barlow | Prince Edward TI G |
| 1997 | Brian Ward Price OBE | Prince Edward TI G |
| 1994 | David Gilfoy Jackson | Ebor TI C |
| 1989 | Herbert Thomas Curlis | Ebor TI C |
| 1977 | Frank Goodall Whitworth | Old York 29 |
| Deputy District Grand Prefects | ||
| 2022 | Clive Copley | Ryedale 138 |
| 2020 | Brian Butterfield | Ebor TI C |
| 2019 | Graham Bailey | South Riding 243 |
| 2016 | Stephen Cariss | White Rose 77 |
| 2012 | Phillip Clive Ellenor | Ryedale 138 |
| 2009 | Gerald Anthony Granville Barker | Prince Edward TI G |
| 2004 | Peter Cooper | White Rose 77 |
| 1997 | Peter Oliver Preston | Ebor TI C |