Sumnall Family History
Sumnall Surname Meaning
Unexplained; possibly a form of the now extinct surname Simnel from Middle English simenel ‘bread loaf bun made of fine flour’ for which compare Galfridus Simenell 1207 in
For the change in vowel rounding before the labial consonant /m/ see Summons.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
