THOMSEN
Thomsen is a patronymic surname that, in its basic form, indicates “son of Thomas”. The personal name Thomas itself is derived from the Aramaic word toma, meaning “twin”. It entered the Christian world as the name of one of the twelve Apostles, and from that point it has been used as a source for surnames throughout Europe.
In Danish and German, the suffix -sen is a conventional patronymic marker equivalent to the English -son. Consequently, Thomsen literally translates to “son of the twin”. Because the name is patronymic, many unrelated families may share the surname simply because an ancestor was named Thomas.
Archival evidence for the surname dates back to the thirteenth century. The first European record of the family name is usually considered to be that of Henneko Thom, a Burgess of Hamburg in the year 1252. Other early mentions include Richard Thome of York, England in 1293; Walter Thomas of Warwickshire in the Hundred Rolls of 1301; and Dieter Thumm of Wolfschlugen, Germany in 1327. The spread of the name during the Middle Ages coincided with Christianisation and, later, with the Crusader and Reformation movements that saw the name adopted across the continent.
The surname Thomsen has provoked a rich array of orthographic variants. In Britain, the spellings Tomas and Thomas are common; in Italy the form Tommasi appears; in Germany one finds Thom, Thoma, Thumm, and Thome; in Slavonic languages the version Tomaschek is frequent; Russian records include Fominov; and Belarusian forms such as Tomich and Khomich can be encountered. Scandinavian spellings such as Swedish Thomasson also exist. The diversity of forms reflects the surname’s long history of migration and adaptation to different linguistic environments.
Within Scandinavia, Thomsen remains a common surname. It is especially frequent in Norway, where it ranks as the fifteenth most popular surname, particularly in cities such as Oslo, Bergen, and Trondheim. In Denmark it is the most common Danish surname in the United States, owing to waves of emigration in the nineteenth century. Canadian records show the surname as the four hundred and forty-seventh most common, largely concentrated in Ontario, Alberta, and British Columbia. In Australia it is the nine hundred and thirty-eighth most popular surname, mainly among those of Danish heritage in Sydney and Melbourne.
In the United Kingdom, the surname Thomsen is less frequent than its Anglicised variants such as Thompson or Thomson, yet it is still recognised as a distinct Scandinavian surname. In the United States, it ranks as the one hundred and eighty-fifth most common surname overall, with thousands of individuals bearing the name across the country.
Overall, Thomsen is a surname with deep historical roots, a clear patronymic origin, and a wide geographical footprint. Its persistence today across several continents illustrates how a single naming tradition can spread and evolve within and beyond its original cultural context.
Typical given names associated with the Thomsen surname
Male
- Alan
- Anders
- Christian
- Darren
- Flemming
- Gareth
- Ian
- Jesper
- Karl
- Michael
- Niels
- Richard
- Thomas
Female
- Charlotte
- Christina
- Claire
- Elizabeth
- Helen
- Janet
- Karen
- Karina
- Linda
- Mary
- Nicolai
- Paula
- Sarah
- Valerie
Similar and related surnames
Related and similar names are generated algorithmically based on the spelling, and may not necessarily share an etymology.
How to communicate the surname Thomsen in...
Braille
⠞⠓⠕⠍⠎⠑⠝
Morse
-....-----....-.
Semaphore
There are approximately 375 people named Thomsen in the UK. That makes it one of Britain's least common surnames. Only around six in a million people in Britain are named Thomsen.
Origin: Scandinavian
Region of origin: Europe
Country of origin: Denmark
Religion of origin: Christian
Language of origin: Danish
