- Birth Date
- 22 March 1813
- Death Date
- 18 May 1891
Niels was listed as "Nils Madtson," on the (Emigration list for Spring, 1860) company roster. He was listed as "Niles Madtsen" on the 1860 Census.
More research is needed to confirm Niels's date of birth as family tradition and secondary sources are inconsistent. At this time, birth date listed reflects family tradition from Family Tree at FamilySearch.org.
- Age at Departure: 47
- Head of Household
- 1860 United States Census
- Brigham City Ward, Record of members collection, 1836-1970.
- "Death of a Pioneer: Nels Madson Passes Peacefully Into the World Without End," Brigham City Bugler, 23 May 1891, 1.
- Emigration list for Spring, 1860.
- Find a Grave
- Journal History of The Church of Jesus Christ of Latter-day Saints, Supplement after 31 December 1860, 10.