Nilsson
Nilsson is a Swedish surname and the fourth most common surname in Sweden. The name is a patronymic meaning "Nils's son". Nils was a very common name, especially in 19th century Sweden. Geographical distribution. As of 2014, 89.8% of all known bearers of the surname "Nilsson" were residents of Sweden, 2.6% of the United States, 2.0% of Denmark and 1.4% of Norway. In Sweden, the frequency of the surname was higher than national average (1:58) in the following counties: