The Thowless Family Name
Genealogists group Thowless with Thewlis. Surname dictionaries give the meaning as “Ill-mannered”.
You may also find the name written Thewless. Regional accents shaped spellings long before dictionaries fixed them. Before spelling was fixed, Thewlis was also written Thowless.
A coat of arms belongs to a particular family line rather than to everyone named Thowless, so the heraldry linked to Thewlis is a starting point, not an automatic right. For the full story, order the Thowless surname pack.