DN
David Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Moody-County, South Dakota
Our Model Tree links this David Nelson across the 1920, 1930 and 1940 US Censuses in Moody-County, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 8-person household.
Age 46
b. ~1894
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Moody-County, South Dakota |
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Blinsmon Twp. |
| 1935 Residence (County) | Moody |
| 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 | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Farmer |
| Township / Ward | Blinsmon Twp |
| Est. Birth Year | ~1894 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| David Nelson | Son | — | 13 | ~1927 |
| Dorothy Nelson | Daughter | — | 19 | ~1921 |
| Lucille Nelson | Daughter | — | 18 | ~1922 |
| Lorraine Nelson | Daughter | — | 9 | ~1931 |
| David Nelson | Head | — | 46 | ~1894 |
| Rosella Nelson | Daughter | — | 7 | ~1933 |
| Roger Nelson | Son | — | 11 | ~1929 |
| Emma Nelson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Moody, South …
Head, age 25
Moody, South Dakota · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Moody, South …
Head, age 36
Moody, South Dakota · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 25 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Moody-County, South …
Head, age 46
Moody-County, South Dakota · implied b. ~1894 — 8 household members
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Blinsmon Twp. |
| 1935 Residence (County) | Moody |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 David Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
David Nelson
Head · 1940 · age 46 · b. ~1894 · South Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Moody-County, South Dakota
Open full size
1940 US Federal Census — Moody-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03865-00021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Nelson THIS PERSON | 46 | Head | Farmer | South Dakota |
| 2 | Emma Nelson | 44 | Wife | — | South Dakota |
| 3 | Dorothy Nelson | 19 | Daughter | Housework | South Dakota |
| 4 | Lucille Nelson | 18 | Daughter | — | South Dakota |
| 5 | David, Jr. Nelson | 13 | Son | — | South Dakota |
| 6 | Roger Nelson | 11 | Son | — | South Dakota |
| 7 | Lorraine Nelson | 9 | Daughter | — | South Dakota |
| 8 | Rosella Nelson | 7 | Daughter | — | South Dakota |
| 9 | Elsworth Johnson | 30 | Head | Cream Buyer | South Dakota |
| 10 | Hazel Johnson | 23 | Wife | — | South Dakota |
| 11 | Ernest J. Nelson | 45 | Head | Farmer | South Dakota |
| 12 | Eva R. Nelson | 39 | Wife | — | South Dakota |
| 13 | Emma Nelson | 20 | Daughter | — | South Dakota |
| 14 | Norlan Nelson | 16 | Son | — | South Dakota |
| 15 | Joyce Nelson | 14 | Daughter | — | South Dakota |
| 16 | Betty Nelson | 9 | Daughter | — | South Dakota |
| 17 | Wendell Nelson | 5 | Son | — | South Dakota |
| 18 | Curtis Nelson | 1 | Son | — | South Dakota |
| 19 | Jesse Munk | 49 | Head | Farmer | South Dakota |
| 20 | Edna Munk | 45 | Wife | — | Illinois |
| 21 | Eldon Munk | 24 | Son | Farm Laborer | South Dakota |
| 22 | Milton Munk | 14 | Son | — | South Dakota |
| 23 | Harold Munk | 11 | Son | — | South Dakota |
| 24 | Hans M. Anderson | 68 | Head | Farmer | Iowa |
| 25 | Mary Anderson | 63 | Wife | — | Iowa |
| 26 | Harlan Anderson | 40 | Son | Farm Laborer | Iowa |
| 27 | Vera Anderson | 32 | Daughter | — | South Dakota |
| 28 | Charlie Smoozy | 28 | Hired man | Farm Laborer | South Dakota |
| 29 | Foster Nelson | 25 | Head | Farmer | South Dakota |
| 30 | Helen Nelson | 24 | Wife | — | South Dakota |
| 31 | Neil Nelson | 1 | Son | — | South Dakota |
| 32 | Jens E. Jensen | 56 | Head | Farmer | Germany |
| 33 | Minnie Jensen | 48 | Wife | — | South Dakota |
| 34 | John P. Gill | 67 | Head | Farmer | Wisconsin |
| 35 | Blanche E. Gill | 60 | Wife | — | Iowa |
| 36 | George M. Christensen | 38 | Head | Farmer | South Dakota |
| 37 | Esther Christensen | 34 | Wife | — | Iowa |
| 38 | Dale Christensen | 9 | Son | — | South Dakota |
| 39 | Lauren Christensen | 8 | Son | — | South Dakota |
| 40 | Merlyn Christensen | 6 | Son | — | South Dakota |
Related Census Records
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)