Mogensen is a Danish patronymic surname meaning "son of Mogens". As a patronymic, it was historically formed by adding the Danish suffix sen (meaning "son") to the father's given name Mogens, which itself is the Danish form of Magnus.Etymology and HistoryThe underlying name Magnus is a Late Latin name meaning "great". It was borne by a 7th-century saint who was a missionary in Germany, but it became especially popular in Scandinavia after the time of the 11th-century Norwegian king Magnus I, who was said to have been named after Charlemagne (Carolus Magnus in Latin). The name was used by six subsequent kings of Norway and three kings of Sweden, and it was also imported to Scotland and Ireland during the Middle Ages, where it gave rise to surnames such as Mack and McManus. The Icelandic politician Halldóra Mogensen and Danish astronaut Andreas Mogensen (the first Dane in space) are among those who share the surnameNotable BearersMogensen appears across multiple fields. In sports, notable bearers include Carsten Mogensen, a Danish badminton player; Thomas Mogensen, a Danish handball player; and Allan Mogensen, an orienteering champion. In culture, Børge Mogensen (1914–1972) was a celebrated Danish furniture designer, while John Mogensen (1928–1977) was a popular singer-songwriter. Joëlle Mogensen (1953–1982) was a French singer, and Gustav Mogensen (born 2001) is a professional Danish footballer. Hans Mogensen (about 1525–1595) served as a Danish priest. In the United States, Brock Mogensen plays American football.Variants and Related NamesThe surname has cognates in other Scandinavian languages, including Swedish Magnusson and Månsson. In Scotland and Ireland, corresponding patronymic forms include Mac Maghnuis and McManus. All share the same root: the name Magnus.Meaning: son of MogensOrigin: Danish patronymicRoot: Magnus (Latin: great)Usage Regions: Denmark, also found in Scandinavia and among immigrants