What We Know About the Schwann Surname
Schwann is how some branches of the Schwan family came to write their name. The family name meaning is “A dweller at the sign of the swan”, the same as for Schwan.
How the spelling arose
The extra “n” in Schwann is a spelling habit rather than a different name. Regional accents shaped spellings long before dictionaries fixed them. The same family of names includes Schwaan and Schwahn.
Arms associated with the name
Heraldry is personal: arms associated with the Schwan surname were borne by specific families, and sharing the name does not mean sharing the blazon.
Research your Schwann family history with a full surname report and painted coat of arms.