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Nels Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Minnesota
Our Model Tree links this Nels Nelson across the 1920, 1930 and 1940 US Censuses in Clay-County, Minnesota (XGBoost, ~Confirmed), with identified parents Gilbert & Ole — first a son (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Minnesota |
| Surname | Nelson |
| Given Name | Nels |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Moorhead City |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Moorhead City |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nels | Age | Birth yr |
|---|---|---|---|---|
| Emelia Nelson | Daughter | — | 49 | ~1891 |
| Mary Nelson | Head | — | 73 | ~1867 |
| Nels Nelson | Son | — | 54 | ~1886 |
| Ole Nelson | Son | — | 46 | ~1894 |
Census Appearances
1920
Clay, Minnesota
Son, age 34
Clay, Minnesota · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielson |
| Given Name | Nels |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Streets |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Clay, Minnesota
Son, age 44
Clay, Minnesota · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Nels |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Bookkeeper |
| Industry | Oil Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Clay-County, Minnesota
Son, age 54
Clay-County, Minnesota · implied b. ~1886 — 4 household members
| Surname | Nelson |
| Given Name | Nels |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Moorhead City |
| 1935 Residence (County) | Clay |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Nels Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gilbert Nielson (~0.92 confidence) and father Ole Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gilbert Nielson
b. ~1854
Source father
● Household
· direct · ~0.92
Father
Ole Nelson
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nels Nelson
Son · 1940 · age 54 · b. ~1886 · Minnesota
★ You are viewing this record
Sibling
Emelia Nelson
Sibling · 1940 · age 49
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ole Nelson
Sibling · 1940 · age 46
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 — Clay-County, Minnesota
Open full size
1940 US Federal Census — Clay-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01914-00443)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alda C. Erickson | 13 | Daughter | — | Minnesota |
| 2 | Andrew M. Nelson | 70 | Head | — | Norway |
| 3 | James N. Mckinnon | 34 | Head | Delivery Truck | North Dakota |
| 4 | Helen C. Mckinnon | 29 | Wife | — | North Dakota |
| 5 | Dolly G. Mckinnon | 10 | Daughter | — | North Dakota |
| 6 | Jo Anne C. Mckinnon | 3 | Daughter | — | North Dakota |
| 7 | Olaf Anderson | 58 | Head | Carpenter | Norway |
| 8 | Tilda Anderson | 54 | Wife | — | Norway |
| 9 | Dorothy Anderson | 17 | Daughter | — | Minnesota |
| 10 | Clara Peterson | 56 | Head | — | Minnesota |
| 11 | Henrietta T. Peterson | 53 | Sister | — | Minnesota |
| 12 | Wallace J. Mousseau | 34 | Head | Truck Driver | Minnesota |
| 13 | Anne M. Mousseau | 40 | Wife | — | Minnesota |
| 14 | Betty Anne Mousseau | 9 | Daughter | — | North Dakota |
| 15 | James W. Mousseau | 1 | Son | — | Minnesota |
| 16 | George V. Scanlon | 18 | Lodger | Laborer | Minnesota |
| 17 | Kathleen M. Scanlon | 16 | Lodger | — | Minnesota |
| 18 | Mary Nelson | 73 | Head | — | Norway |
| 19 | Nels Nelson THIS PERSON | 54 | Son | — | Minnesota |
| 20 | Emelia Nelson | 49 | Daughter | Saleslady | Minnesota |
| 21 | Ole Nelson | 46 | Son | Truck Driver | Minnesota |
| 22 | Axel E. Wickstrom | 48 | Head | Electrician | Sweden |
| 23 | Lena T. Wickstrom | 46 | Wife | — | Sweden |
| 24 | Evelyn T. Wickstrom | 20 | Daughter | — | Minnesota |
| 25 | Muriel E. Wickstrom | 18 | Daughter | — | Minnesota |
| 26 | Florence Wickstrom | 17 | Daughter | — | Minnesota |
| 27 | Axel Wickstrom | 14 | Son | — | Minnesota |
| 28 | Marjorie Wickstrom | 12 | Daughter | — | Minnesota |
| 29 | Martha Peterson | 83 | Head | — | Sweden |
| 30 | Emma C. Peterson | 50 | Daughter | Teacher | Minnesota |
| 31 | Oscar C. Johnson | 47 | Head | Proprietor | Sweden |
| 32 | Ida M. Johnson | 47 | Wife | — | Sweden |
| 33 | Reynold C. Johnson | 17 | Son | — | North Dakota |
| 34 | Carol E. Johnson | 12 | Daughter | — | North Dakota |
| 35 | Emma O. Carlson | 60 | Head | Teacher | Sweden |
| 36 | Joe M. Hamrowski | 57 | Head | Laborer | North Dakota |
| 37 | Catherine Hamrowski | 37 | Wife | Trimmer | Wisconsin |
| 38 | Max W. Hamrowski | 16 | Son | Clerk | North Dakota |
| 39 | Kernel J. Hamrowski | 14 | Son | — | North Dakota |
| 40 | Martin M. Lovas | 60 | Head | Foreman | Wisconsin |
Pedigree Summary
Nels + 2 siblings
Gen 1 · 3 parents
~0.92
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)