| Given Name and Variants | Diminutives | English Form/Meanings |
| Emrys | Ambrose | |
| Geraint, Gereint, Geriant | Gk geron old man'? | |
| Phelip | Philip | |
| Sior, Siors, Siorys | George | |
| Tewdws, Tudur | Theodore (or Celtic 'Teutorix') |
| Given Name and Variants | Diminutives | English Form |
| Catrin | Katherine | |
| Elen, Elin, Elyn | Helen or 'elen', nymph | |
| Elena, Elenor, Elynor | Eleanor | |
| Mared, Marged, Marured, Mererid | Megan, Meghan | Margaret |
| Nest, Nesta, Annest? | Agnes |
This collection of names was compiled by Kate Monk and is ©1997, Kate Monk.
Copies may be made for personal use only.