Save Type Surname (from given name) Usage Swedish (Modern, Rare) Pronounced Pron. /ˈjiː.sɔn/ [key·simplify] Meaning & History Contracted form of -sson names starting with J, like Jansson, Jonsson, Jönsson and Johansson. The name was officially approved by the Swedish Patent and Registration Office in 2009, previously prohibited for containing a punctation mark.