JN
John Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Minnesota
Our Model Tree links this John Nelson across the 1920, 1930 and 1940 US Censuses in Clay-County, Minnesota (XGBoost, ~Confirmed), with identified parents Jacob & Mary — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Minnesota |
| Surname | Nelson |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Kragnes |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farmer |
| Township / Ward | Kragnes |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Nelson | Head | — | 50 | ~1890 |
| John Nelson | Son | — | 10 | ~1930 |
| Myrtle Nelson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Clay, Minnesota
Son, age 30
Clay, Minnesota · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | general farm |
| Class of Worker | EM |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Clay, Minnesota
Head, age 39
Clay, Minnesota · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 33 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Grain Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Clay-County, Minnesota
Head, age 50
Clay-County, Minnesota · implied b. ~1890 — 3 household members
| Surname | Nelson |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Kragnes |
| 1935 Residence (County) | Clay |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 John Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Nelson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nelson
Head · 1940 · age 50 · b. ~1890 · Minnesota
★ You are viewing this record
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-t0627-01914-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jes. Edward E. Willits | 18 | Son | Contractor | Iowa |
| 42 | Walfrid F. Oberg | 54 | Head | Farmer | North Dakota |
| 43 | Stella Oberg | 43 | Wife | — | Canada |
| 44 | Ellen Oberg | 13 | Daughter | — | North Dakota |
| 45 | Clarence Simonson | 36 | Head | Farmer | Minnesota |
| 46 | Evie E. Simonson | 35 | Wife | — | Minnesota |
| 47 | Patsy Lou Simonson | 5 | Daughter | — | Minnesota |
| 48 | John H. Nelson THIS PERSON | 50 | Head | Farmer | North Dakota |
| 49 | Myrtle I. Nelson | 37 | Wife | — | Minnesota |
| 50 | John William Nelson | 10 | Son | — | North Dakota |
| 51 | Ray Gisvold | 38 | Head | Farmer | Minnesota |
| 52 | Selma Gisvold | 44 | Wife | — | Minnesota |
| 53 | Robert Gisvold | 40 | Brother | Farmer | Minnesota |
| 54 | William Richards | 58 | Head | Farmer | Michigan |
| 55 | Bessie Richards | 51 | Wife | — | Minnesota |
| 56 | Thomas Richards | 17 | Son | Laborer | Minnesota |
| 57 | Betty Richards | 15 | Daughter | — | Minnesota |
| 58 | Melvin Richards | 12 | Son | — | Minnesota |
| 59 | Mary Richards | 27 | Daughter-in-law | — | Minnesota |
| 60 | Darlene Richards | 2 | Grand-daughter | — | Minnesota |
| 61 | Shirley May Richards | 0 | Grand-daughter | — | Minnesota |
| 62 | Ray Richards | 27 | Son | Farmer | Minnesota |
| 63 | Melvin Olson | 36 | Head | Trucker | North Dakota |
| 64 | Myrtle Olson | 29 | Wife | — | North Dakota |
| 65 | Martin Oberg | 38 | Head | Farmer | Minnesota |
| 66 | Iver Olstad | 52 | Laborer | Laborer | Norway |
| 67 | Beatrice Pherson | 21 | Housekeeper | Housekeeper | Minnesota |
| 68 | Edward Schamberger | 49 | Head | Farmer | Minnesota |
| 69 | Emma A. Schamberger | 38 | Wife | — | Minnesota |
| 70 | Russell L. Schamberger | 11 | Son | — | North Dakota |
| 71 | La Donne A. Schamberger | 2 | Daughter | — | North Dakota |
| 72 | Agnes Wiggins | 72 | Head | — | Norway |
| 73 | Howard M. Wiggins | 33 | Son | Farmer | Minnesota |
| 74 | Alta E. Wiggins | 27 | Daughter | Housework | Minnesota |
| 75 | Isidor Nelson | 57 | Head | Farmer | Sweden |
| 76 | Charles Johel | 46 | Head | Farmer | Iowa |
| 77 | Amy L. Johel | 48 | Wife | — | Minnesota |
| 78 | Margaret L. Johel | 21 | Daughter | — | Minnesota |
| 79 | S. H. Horner | 20 | Son | — | Minnesota |
| 80 | Daughter Dorthy D. M. | None | F | 0 | — |
Pedigree Summary
John
Gen 1 · 2 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)