| Similarity | Rank | |
|---|---|---|
| Llewellyn | 0.843 | 69529 |
| Glyn | 0.843 | 73735 |
| Rowlands | 0.823 | 92114 |
| Kavanagh | 0.814 | 73066 |
| Owain | 0.810 | 92829 |
| Mortimer | 0.809 | 44569 |
| Haigh | 0.807 | 88912 |
| Isobel | 0.806 | 67844 |
| Featherstone | 0.797 | 99137 |
| Buchan | 0.793 | 86627 |
| Davies | 0.791 | 16520 |
| Howells | 0.790 | 80917 |
| Gower | 0.790 | 65028 |
| Griffiths | 0.789 | 36294 |
| Rowena | 0.788 | 65198 |
| Seaton | 0.787 | 75942 |
| Bower | 0.785 | 57151 |
| Buckland | 0.785 | 76024 |
| Bevan | 0.782 | 63435 |
| Moira | 0.781 | 55298 |
| Clare | 0.781 | 18953 |
| Catriona | 0.781 | 95285 |
| Deane | 0.780 | 64653 |
| Appleby | 0.780 | 71555 |
| Rhys | 0.779 | 41552 |