RN
Robert Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Missouri
Our Model Tree links this Robert Nelson across the 1920, 1930 and 1940 US Censuses in Knox-County, Missouri (XGBoost, ~Confirmed), with identified parents Andrew & Elizabeth — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Missouri |
| Surname | Nelson |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Bourbon Township |
| 1935 Residence (County) | KNOX |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Bourbon Township |
| Est. Birth Year | ~1917 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Claude Nelson | Head | — | 65 | ~1875 |
| Nadine Nelson | Other | — | 21 | ~1919 |
| Robert Nelson | Son | — | 23 | ~1917 |
Census Appearances
1920
Knox, Missouri
Son, age 2
Knox, Missouri · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Knox, Missouri
Son, age 13
Knox, Missouri · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Knox-County, Missouri
Son, age 23
Knox-County, Missouri · implied b. ~1917 — 3 household members
| Surname | Nelson |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Bourbon Township |
| 1935 Residence (County) | KNOX |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Robert Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew King (~0.92 confidence) and mother Elizabeth King (~0.92 confidence) and father Claude Nelson (~0.92 confidence) and mother Margaret Nelson (~0.92 confidence) and father Claude Nelson (~0.92 confidence) and mother Margaret Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew King
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Elizabeth King
b. ~1864
Source mother
● Household
· direct · ~0.92
Father
Claude Nelson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Margaret Nelson
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Claude Nelson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Margaret Nelson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Nelson
Son · 1940 · age 23 · b. ~1917 · Missouri
★ 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 — Knox-County, Missouri
Open full size
1940 US Federal Census — Knox-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02121-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Otto (X) Crooks | 75 | Head | — | Missouri |
| 42 | W. H. (X) Dalton | 56 | Head | Operator | Illinois |
| 43 | Lessie Dalton | 55 | Wife | — | Missouri |
| 44 | Wayne Dalton | 18 | Son | Laborer | Missouri |
| 45 | James (X) Kelly | 76 | Head | Operator | Missouri |
| 46 | Elva Kelly | 76 | Wife | — | Missouri |
| 47 | Andrew (X) Nelson | 71 | Head | Operator | Missouri |
| 48 | Anna Nelson | 62 | Wife | — | Missouri |
| 49 | Floyd Nelson | 31 | Son | Operator | Missouri |
| 50 | Audrey Nelson | 7 | Grand daughter | — | Missouri |
| 51 | George Plum | 52 | Head | Road Work | Missouri |
| 52 | Carrie (X) Plum | 45 | Wife | — | Missouri |
| 53 | Stella Plum | 15 | daughter | — | Missouri |
| 54 | James Plum | 14 | son | Laborer | Missouri |
| 55 | Francis Plum | 11 | son | — | Missouri |
| 56 | Mary Alice Plum | 9 | daughter | — | Missouri |
| 57 | Donald Plum | 8 | son | — | Missouri |
| 58 | Claude (X) Nelson | 65 | Head | Operator | Missouri |
| 59 | Robert Nelson THIS PERSON | 23 | son | Farmer | Missouri |
| 60 | Nadine Nelson | 21 | daughter in law | — | Missouri |
| 61 | H. J. (X) Hall | 30 | Head | Operator | Missouri |
| 62 | Carrie Hall | 33 | Wife | — | Missouri |
| 63 | Carrie J. Hall | 7 | daughter | — | Missouri |
| 64 | Harry Eugene Hall | 5 | son | — | Missouri |
| 65 | Harriet Lee Hall | 4 | son | — | Missouri |
| 66 | Carrol W. Hall | 1 | son | — | Missouri |
| 67 | Raymond (X) Miller | 24 | Head | Operator | Missouri |
| 68 | Edna Miller | 23 | Wife | — | Missouri |
| 69 | F. Ella (X) Campbell | 68 | Head | — | Missouri |
| 70 | Frank (X) Dusenberry | 50 | Head | Operator | Missouri |
| 71 | Nettie Dusenberry | 45 | Wife | — | Missouri |
| 72 | Lula Pauline Dusenberry | 35 | sister in law | Housework | Missouri |
| 73 | Joe (X) Rider | 60 | Head | Operator | Missouri |
| 74 | Leslie (X) Turnbow | 34 | Head | Laborer | Illinois |
| 75 | Gladys Turnbow | 26 | daughter | — | Missouri |
| 76 | Kenneth Turnbow | 15 | grand son | — | Missouri |
| 77 | Ella S. Thompson | 87 | Head | — | Iowa |
| 78 | John W. Beck | 57 | Head | Operator | Missouri |
| 79 | Agnes M Beck | 59 | Wife | — | Missouri |
| 80 | Victor Beck | 17 | son | Laborer | Missouri |
Pedigree Summary
Robert
Gen 1 · 6 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)