| Given Name and Variant | Diminutives | English Equivalent |
| Alun, Allin, Alyn | Alan? | |
| Cedrych | ||
| Gerallt | ||
| Gwallter | Walter | |
| Gwatcyn | Watkin (Walter) | |
| Gwilim, Gwilym, Wilim | William | |
| Hopcyn | Hopkin (Robert) | |
| Huw | Hugh | |
| Hamon | ||
| Harri | ||
| Ifor | ||
| Ivo | ||
| Rheinallt, Reynallt, Rinold | Reynold | |
| Rhisiart, Rhicert, Ricerch | Richard | |
| Rhobert | Robert | |
| Rolant | Roland | |
| Searl, Siarl | Charles | |
| Sieffre | Geoffrey | |
| Tewdric | Theodoric | |
| Wmffre | Humphrey |
| Given Name and Variants | Diminutives | English Equivalent |
| Caryl, Carylle | Carol | |
| Ermin | ||
| Maillt, Mallt | Maud |
This collection of names was compiled by Kate Monk and is ©1997, Kate Monk.
Copies may be made for personal use only.