Swenson
A Scandinavian patronymic surname meaning “son of Sven” or “son of Swen.”
The #1,563 most common surname in the United States (2010 Census) — about 1 in every 13,418 Americans shares it.
Etymology
Swenson is a patronymic surname built from the personal name Sven, a common Old Norse name meaning “young man” or “boy.” The ending -son means “son of,” so the literal sense is “son of Sven.” The spelling Swen- reflects an older or Anglicized form of the name, alongside the more common Scandinavian Sven- forms.
History
The name arose independently in Scandinavian naming traditions, where fixed surnames developed from older patronymic patterns. It became especially common in North America among immigrants from Sweden, Norway, and Denmark, where it was often standardized as Swenson in English-language records. Related surnames include Svenson, Svensson, Swanson, and Swenson-like spellings created through Anglicization.
Origin
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Variant spellings
Fun fact
Swenson is one of several Americanized spellings that made a Scandinavian patronymic look more English while preserving its original meaning.