Respondents were asked whether they agreed, disagreed, or had no opinion with the proposed designations and were encouraged to provide reasoning for their views.
Gofynnwyd i'r ymatebwyr a oeddent yn cytuno neu'n anghytuno â'r dynodiadau arfaethedig, neu nad oedd ganddynt unrhyw farn, ac fe'u hanogwyd i roi rhesymau am eu barn.