RN
Richard Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Brookings-County, South Dakota
Our Model Tree links this Richard Nelson across the 1930 and 1940 US Censuses in Brookings-County, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Brookings-County, South Dakota |
| Surname | Nelson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Some House |
| 1935 Residence (County) | Brookings |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | South Dakota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Bangor Township |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Nelson | Daughter | — | 14 | ~1926 |
| Betty Nelson | Daughter | — | 5 | ~1935 |
| Maxine Nelson | Daughter | — | 9 | ~1931 |
| Edmund Nelson | Head | — | 37 | ~1903 |
| Richard Nelson | Son | — | 10 | ~1930 |
| Clinton Nelson | Son | — | 1 | ~1939 |
| George Nelson | Son | — | 7 | ~1933 |
| Glenn Nelson | Son | — | 12 | ~1928 |
| Robert Nelson | Son | — | 5 | ~1935 |
| Gene Nelson | Son | — | 2 | ~1938 |
| Lela Nelson | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Brookings, South …
Son, age 1
Brookings, South Dakota · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Can Read/Write | No |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Brookings-County, South …
Son, age 10
Brookings-County, South Dakota · implied b. ~1930 — 11 household members
| Surname | Nelson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Some House |
| 1935 Residence (County) | Brookings |
| Highest Grade | No 5 |
| 1935 Residence | South Dakota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south 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 Richard Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Nelson
Son · 1940 · age 10 · b. ~1930 · South Dakota
★ You are viewing this record
Sibling
George Nelson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Nelson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Nelson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Nelson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clinton Nelson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Nelson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Nelson
Sibling · 1940 · age 12
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 — Brookings-County, South Dakota
Open full size
1940 US Federal Census — Brookings-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03848-00383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arnt Knutson | 27 | Head | Farmer | South Dakota |
| 2 | Florence Knutson | 20 | Wife | — | South Dakota |
| 3 | Milton Knutson | 1 | Son | — | South Dakota |
| 4 | Bert Vandervort | 23 | Head | Farmer | South Dakota |
| 5 | Marie Vandervort | 21 | Wife | — | South Dakota |
| 6 | Otis Knutson | 32 | Head | Farmer | South Dakota |
| 7 | Josephine Knutson | 28 | Wife | — | South Dakota |
| 8 | Allan Knutson | 4 | Son | — | South Dakota |
| 9 | Oris Jr. Knutson | 2 | Son | — | South Dakota |
| 10 | Cornelius Worgness | 60 | Head | Farmer | Holland |
| 11 | Elizabeth Worgness | 60 | Wife | — | England |
| 12 | Mark Worgness | 23 | Son | Farmer | South Dakota |
| 13 | Emma Worgness | 20 | Daughter | — | South Dakota |
| 14 | Edmund Nelson | 37 | Head | Farmer | South Dakota |
| 15 | Lela Nelson | 34 | Wife | — | South Dakota |
| 16 | Dorothy Nelson | 14 | Daughter | — | South Dakota |
| 17 | Glenn Nelson | 12 | Son | — | South Dakota |
| 18 | Richard Nelson THIS PERSON | 10 | Son | — | South Dakota |
| 19 | Maxine Nelson | 9 | Daughter | — | South Dakota |
| 20 | George Nelson | 7 | Son | — | South Dakota |
| 21 | Betty Nelson | 5 | Daughter | — | South Dakota |
| 22 | Robert Nelson | 5 | Son | — | South Dakota |
| 23 | Gene Nelson | 2 | Son | — | South Dakota |
| 24 | Clinton Nelson | 1 | Son | — | South Dakota |
| 25 | Jens C. Johnson | 28 | Head | Farmer | South Dakota |
| 26 | Alice S. Johnson | 25 | Wife | — | South Dakota |
| 27 | Bessie Johnson | 8 | Daughter | — | South Dakota |
| 28 | Alona Johnson | 5 | Daughter | — | South Dakota |
| 29 | Carol Johnson | 2 | Daughter | — | South Dakota |
| 30 | William Bennett | 56 | Head | Farmer | South Dakota |
| 31 | Stella Bennett | 56 | Wife | — | Wisconsin |
| 32 | Ragnvald Borgness | 53 | Servant | Hired Man | South Dakota |
| 33 | Arthur H. Cluever | 45 | Head | Farmer | Iowa |
| 34 | Donald Cluever | 17 | Son | — | South Dakota |
| 35 | Genevieve Cluever | 16 | Daughter | — | South Dakota |
| 36 | Chris. Dufvaen | 53 | Head | Farmer | Denmark |
| 37 | Agnes Dufvaen | 49 | Wife | — | South Dakota |
| 38 | Floyd Satterfield | 19 | Servant | Servant | California |
| 39 | Clarence Martinson | 31 | Head | Farmer | South Dakota |
| 40 | Elsie Martinson | 32 | Wife | — | South Dakota |
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)