When Nils Tollesen was christened on 3 August 1794, in Sigdal, Buskerud, Norway, his father, Tollev Nilsen, was 41 and his mother, Sigrid Engebretsdatter, was 44. He married Kari Pedersen on 12 December 1828. They were the parents of at least 2 sons. He died in 1858, in Sigdal, Buskerud, Norway, at the age of 64.
Americanized form of Swedish Tollesson: rare patronymic from a variant of the personal name Torleiv (see Tollefsen ).
Altered form of Tollefson , a surname of Norwegian origin.
English: variant of Tollison .