Thorstensen Family History
Thorstensen Surname Meaning
Norwegian and Danish: patronymic from the personal name Thorsten, a variant of Thorstein.
Old Norse Thórsteinn is composed of the name of the god Thórr (see Thor) + steinn ‘stone, rock’.
Hence, it can mean ‘altar of Thor’ or perhaps ‘hammer of Thor’.
Source: Dictionary of American Family Names 2nd edition, 2022
