The 1875 Minnesota census showed Jacob A. Nelson (age 34, born in Denmark) living in Fergus Falls, Minnesota.

The 1880 United States census showed Jacob A. Nelson (age 39, born in Denmark, brickmaker) married to Mary R. (age 25, born in New York) and living in Fergus Falls, Minnesota. Children Ellen M. (age 8, born in Minnesota), Eugene M. (age 4, born in Minnesota), Amos (age 3, born in Minnesota), and Emma J. (age 8 months, born in Minnesota) also lived with the couple.

The 1885 Minnesota census showed Jacob A. Nelson (age 43, born in Wisconsin) married to Mary (age 31, born in New York) and living in Fergus Falls, Minnesota. Children Ellen (age 13, born in Minnesota), E. E. (age 9, born in Minnesota), A. C. (age 8, born in Minnesota), Emma (age 6, born in Minnesota), Viola (age 5, born in Minnesota), and Wm. (age 3, born in Minnesota) also lived with the couple.

The 1895 Minnesota census showed Jacob Nelson (age 55, born in Denmark, brickmaker) married to Mary R. (age 40, born in New York) and living in Fergus Falls, Minnesota. Children Eugene (age 19, born in Minnesota), Amos C. (age 18, born in Minnesota), Emma J. (age 15, born in Minnesota), Viola (age 14, born in Minnesota), Chas. W. (age 12, born in Minnesota), James F. (age 9, born in Minnesota), Jessie M. (age 5, born in Minnesota), Ada R. (age 4, born in Minnesota), Leona (age 3, born in Minnesota), Mabel B. (age 2, born in Minnesota), and Minnie (age 6 months, born in Minnesota) also lived with the couple.

The 1900 United States census showed Jacob Nelson (age 59, born in December 1840 in Denmark, brickmaker) married to Mary R. (age 46, born in January 1854 in New York) and living in Fergus Falls, Minnesota. Children Amos (age 22, born in March 1878 in Minnesota), Emma C. (age 20, born in October 1879 in Minnesota), Lore V. (age 19, born in December 1880 in Minnesota), Charles W. (age 17, born in August 1882 in Minnesota), James F. (age 14, born in June 1885 in Minnesota), Jessie May (age 11, born in June 1888 in Minnesota), Ada R. (age 9, born in January 1891 in Minnesota), Leona B. (age 7, born in August 1892 in Minnesota), Mabel J. (age 6, born in October 1892 in Minnesota), Lesslie S. (age 5, born in December 1894 in Minnesota), and George B. (age 11 months, born in January 1899 in Minnesota) also lived with the couple.

The 1905 Minnesota census showed Jacob A. Nelson (age 64, born in Denmark, janitor) married to Mary R. (age 55, born in New York) and living in Fergus Falls, Minnesota. Children Emma J. (age 25, born in Minnesota), Charles W. (age 22, born in Minnesota), James F. (age 20, born in Minnesota), Roxy L. (age 18, born in Minnesota), Jessie M. (age 16, born in Minnesota), Ada R. (age 14, born in Minnesota), Leona B. (age 12, born in Minnesota), Mabel (age 11, born in Minnesota), Leslie S. (age 10, born in Minnesota), and George B. (age 5, born in Minnesota) also lived with the couple.

J. A. Nelson & Brothers, Fergus Falls

The 1910 United States census showed Jacob Nelson (age 69, born in Wisconsin, own income) married to Mary R. (age 56, born in New York) and living in Fergus Falls, Minnesota. Children Amos C. (age 33, born in Minnesota), Emma J. (age 31, born in Minnesota), Laura V. (age 29, born in Minnesota), Charles W. (age 27, born in Minnesota), James F. (age 24, born in Minnesota), Lorena R. (age 23, born in Minnesota), Jessie M. (age 22, born in Minnesota), Ada R. (age 19, born in Minnesota), Leona B. (age 18, born in Minnesota), Mable J. (age 17, born in Minnesota), Leslie E. (age 15, born in Minnesota), George B. (age 10, born in Minnesota), and Ellen Fleckenstine (age 36, born in Minnesota) also lived with the couple.

NELSON, J. A. Born 30 Dec 1839 in Denmark. Came to America with his parents. Civil War: Post war: Lived for more than 44 years in Fergus Falls, Otter Tail County, Minnesota. He operated a brick yard. Died 27 Mar 1917, death due to apoplexy. (The Fergus Falls Free Press, March 28, 1917, Page 1)

Jacob Nelson died March 26, 1917, in Otter Tail County, Minnesota.