| Authorised form of name | Williams; Dionysius (1733 - 1775) |
| Dates | 1733 - 1775 |
| DatesAndPlaces | Baptism: 06 January 1733 Burial: 14 June 1775 |
| Membership category | Fellow |
| Date of election | 08/05/1766 |
| Source | Sources: Bulloch's Roll; Rowe, Cornish Fellows of the R.S., 1931 |
| Code | NA3183 |
Archives associated with this Fellow
| RefNo | Title | Date |
| EC/1766/06 | Williams, Dionysius: certificate of election to the Royal Society | |