Thordarson

Thordarson is a surname of Icelandic origin. It is a patronymic derived from the given name Thordar and the suffix -son, meaning "son of Thordar." The given name Thordar itself traces to Old Norse roots, commonly cited as Þórðar or Þórðarr.

In Iceland, patronymics are traditionally used in daily life, but many families with the surname Thordarson have adopted it as a fixed family name, especially among Icelandic emigrants and their descendants abroad.

Notable people with the surname Thordarson have been identified in various fields, including arts, science, and public affairs, but the name is not associated with a single dominant figure.

The name Thordarson has also appeared as the name of a historical electrical equipment manufacturer in the United States, reflecting the practice of using surnames in corporate branding. The company produced electrical components and related devices during its period of operation, and its products are of interest to collectors and industrial historians.

Variants and related names include Thorðarson or Þórðarson, depending on language and orthography.