dna next to a surname below indicates it has been registered with the DNA linking service
and the researcher is keen to find bearers of the same surname to join a DNA project.
ons next to a user below means the user has registered a one-name study of a surname
with the Guild of One-Names Studies.
| Surname | Timeframe | Place | Researcher |
|---|---|---|---|
| CUDD | 1730's | Chipping Norton | Richard Cudd |
| CUDD dna | Any | Abingdon, Sunningwell, Oxford | Valerie Hounslow |
| CUDDON | Any | Any | Rob Spurrett |