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Carl Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cass-County, North Dakota
Our Model Tree links this Carl Nelson across the 1920, 1930 and 1940 US Censuses in Cass-County, North Dakota (XGBoost, ~Confirmed), with identified parents Edward & Serra — first a son (b.~1897), then head of a 7-person household.
Age 43
b. ~1897
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, North Dakota |
| Surname | Nelson |
| Given Name | Carl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fargo city |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | Traveling salesman |
| Industry | Wholesale paper supplies |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Traveling Salesman |
| Township / Ward | Fargo City |
| Est. Birth Year | ~1897 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Anna Paulson | Daughter | — | 55 | ~1885 |
| Edward Nelson | Head | — | 53 | ~1887 |
| Swan Nelson | Other | — | 78 | ~1862 |
| Hannah Walstad | Other | — | 59 | ~1881 |
| Annie Nelson | Other | — | 80 | ~1860 |
| Carl Nelson | Son | — | 43 | ~1897 |
| Donald Sullivan | Son | — | 15 | ~1925 |
Census Appearances
1920
Cass, North …
Son, age 22
Cass, North Dakota · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nilson |
| Given Name | Carl H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Salesman |
| Industry | Dry Goods Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Cass, North …
Son, age 33
Cass, North Dakota · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Carl J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Salesman |
| Industry | Stationery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Cass-County, North …
Son, age 43
Cass-County, North Dakota · implied b. ~1897 — 7 household members
| Surname | Nelson |
| Given Name | Carl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Fargo city |
| 1935 Residence (County) | Cass |
| Occupation | Traveling salesman |
| Industry | Wholesale paper supplies |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Carl Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Nelson (~0.92 confidence) and mother Serra Nilson (~0.92 confidence) and father Edward Nelson (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Edward Nelson
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Serra Nilson
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
Edward Nelson
b. ~1887
Source father
● Household
· direct · ~0.6
This person
Anchor record
Carl Nelson
Son · 1940 · age 43 · b. ~1897 · North Dakota
★ You are viewing this record
Sibling
Donald Sullivan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Paulson
Sibling · 1940 · age 55
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cass-County, North Dakota
Open full size
1940 US Federal Census — Cass-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02996-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Livingston | 32 | Lodger | Office Clerk | Minnesota |
| 2 | Marilyn Grant | 10 | Daughter | — | North Dakota |
| 3 | Minnie Vig | 72 | Mother-in-law | — | Norway |
| 4 | Christ Ulliner | 65 | Head | Janitor | Norway |
| 5 | Christine Ulliner | 64 | Wife | — | Norway |
| 6 | Willard Ulliner | 36 | Son | Laborer | North Dakota |
| 7 | Lloyd R. Nelson | 42 | Lodger | Carpenter | Illinois |
| 8 | Edward Nelson | 53 | Head | Carpenter | Norway |
| 9 | Anna Paulson | 55 | Daughter | — | North Dakota |
| 10 | Carl H. Nelson THIS PERSON | 43 | Son | Traveling Salesman | North Dakota |
| 11 | Swan Nelson | 78 | Father-in-law | — | Sweden |
| 12 | Annie Nelson | 80 | Mother-in-law | — | Sweden |
| 13 | Donald Sullivan | 15 | Son | New Worker | North Dakota |
| 14 | Hannah Walstad | 59 | Lodger | Housework | Minnesota |
| 15 | Ernest A. Brenick | 23 | Head | Stationary Dept. | North Dakota |
| 16 | Delores M. Brenick | 19 | Wife | — | North Dakota |
| 17 | Ernest A. Jr. Brenick | 0 | Son | — | North Dakota |
| 18 | Selma Samuelson | 21 | Lodger | Saleslady | South Dakota |
| 19 | Ralph J. Viesting | 16 | Son | — | North Dakota |
| 20 | Paul G. Bartz | 42 | Head | Baker | Iowa |
| 21 | Grace Bartz | 41 | Wife | — | Minnesota |
| 22 | Harriet Bartz | 16 | Daughter | — | North Dakota |
| 23 | Emil C. Bredell | 52 | Head | Truck Driver | North Dakota |
| 24 | Christine F. Bredell | 35 | Wife | — | Minnesota |
| 25 | Donald E. Bredell | 17 | Son | — | North Dakota |
| 26 | Alice C. Bredell | 15 | Daughter | — | North Dakota |
| 27 | Geraldine M. Hershlep | 31 | Head | Stenographer | North Dakota |
| 28 | H. George Hershlep | 9 | Son | — | North Dakota |
| 29 | Janet K. Hershlep | 6 | Daughter | — | North Dakota |
| 30 | Salina J. Dick | 65 | Mother | — | Pennsylvania |
| 31 | Clair H. G. Viets | 46 | Head | Switchman | Minnesota |
| 32 | Marie Viets | 46 | Wife | — | Minnesota |
| 33 | Lloyd R. Viets | 23 | Son | Warehouseman | North Dakota |
| 34 | Ray A. Viets | 19 | Son | Laborer | North Dakota |
| 35 | Margaret A. Viets | 10 | Daughter | — | North Dakota |
| 36 | Glen D. Humphrey | 51 | Head | Clerk | North Dakota |
| 37 | Mayme Humphrey | 49 | Wife | — | Iowa |
| 38 | M. Elaine Humphrey | 18 | Daughter | — | North Dakota |
| 39 | Mavis P. Humphrey | 15 | Daughter | — | North Dakota |
| 40 | Darral G. Humphrey | 14 | Son | — | North Dakota |
Pedigree Summary
Carl + 2 siblings
Gen 1 · 3 parents
~0.81
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)