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Walter Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Day-County, South Dakota
Our Model Tree links this Walter Robinson across the 1920, 1930 and 1940 US Censuses in Day-County, South Dakota (XGBoost, ~Confirmed), with identified parents Lenore & Lester — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Day-County, South Dakota |
| Surname | Robinson |
| Given Name | Walter O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Nowinske Township |
| 1935 Residence (County) | Day |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Farm Laborer |
| Township / Ward | Nowinske Township |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Lennie Robinson | Head | — | 48 | ~1892 |
| Gerald Robinson | Son | — | 19 | ~1921 |
| Charles Robinson | Son | — | 3 | ~1937 |
| Eugene Robinson | Son | — | 14 | ~1926 |
| Walter Robinson | Son | — | 22 | ~1918 |
| Margaret Robinson | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Day, South …
Son, age 2
Day, South Dakota · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Walter O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Day, South …
Son, age 12
Day, South Dakota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Day-County, South …
Son, age 22
Day-County, South Dakota · implied b. ~1918 — 6 household members
| Surname | Robinson |
| Given Name | Walter O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Nowinske Township |
| 1935 Residence (County) | Day |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Walter Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lenore Robinson (~0.92 confidence) and father Lester Robinson (~0.92 confidence) and mother Margaret Robinson (~0.92 confidence) and mother Margaret Robinson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lenore Robinson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Lester Robinson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Margaret Robinson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Margaret Robinson
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Robinson
Son · 1940 · age 22 · b. ~1918 · South Dakota
★ You are viewing this record
Sibling
Eugene Robinson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Robinson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Robinson
Sibling · 1940 · age 3
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 — Day-County, South Dakota
Open full size
1940 US Federal Census — Day-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03854-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Schlobohm | 16 | Son | Farm Laborer | South Dakota |
| 2 | Melvin Schlobohm | 13 | Son | — | South Dakota |
| 3 | Joseph Schlobohm | 11 | Son | — | South Dakota |
| 4 | Virginia Schlobohm | 6 | Daughter | — | South Dakota |
| 5 | Dolores Schlobohm | 2 | Daughter | — | South Dakota |
| 6 | Joseph G. Tuholski | 27 | Head | Farmer | South Dakota |
| 7 | Wanda M. Tuholski | 17 | Wife | — | Iowa |
| 8 | Frank H. Block | 25 | Head | Farm Laborer | South Dakota |
| 9 | Frances P. Block | 21 | Wife | — | Iowa |
| 10 | Shirley M. Block | 3 | Daughter | — | South Dakota |
| 11 | Howard L. Block | 1 | Son | — | South Dakota |
| 12 | Jacob Rumfga | 50 | Head | Farmer | South Dakota |
| 13 | Walerya Rumfga | 46 | Wife | — | South Dakota |
| 14 | Jacob W. Rumfga | 21 | Son | Farm Laborer | South Dakota |
| 15 | Anselm Rumfga | 20 | Son | Farm Laborer | South Dakota |
| 16 | Alice A. Rumfga | 18 | Daughter | House Work | South Dakota |
| 17 | Sally Rumfga | 15 | Daughter | — | South Dakota |
| 18 | George E. Rumfga | 12 | Son | — | South Dakota |
| 19 | William R. Rumfga | 9 | Son | — | South Dakota |
| 20 | Adeline M. Rumfga | 7 | Daughter | — | South Dakota |
| 21 | Marcella W. Rumfga | 5 | Daughter | — | South Dakota |
| 22 | Roch T. Rumfga | 1 | Son | — | South Dakota |
| 23 | Lennie M. Robinson | 48 | Head | Farmer | South Dakota |
| 24 | Margaret P. Robinson | 42 | Wife | — | South Dakota |
| 25 | Walter O. Robinson THIS PERSON | 22 | Son | Farm Laborer | South Dakota |
| 26 | Gerald W. Robinson | 19 | Son | Farm Laborer | South Dakota |
| 27 | Eugene W. Robinson | 14 | Son | — | South Dakota |
| 28 | Charles T. Robinson | 3 | Son | — | South Dakota |
| 29 | Alfred F. Miotke | 32 | Head | Care Taker | South Dakota |
| 30 | Matilda W. Miotke | 25 | Wife | — | South Dakota |
| 31 | Donnam G. Miotke | 2 | Son | — | South Dakota |
| 32 | Romona M. Miotke | 0 | Daughter | — | South Dakota |
| 33 | Joseph C. Miotke | 38 | Head | Farmer | South Dakota |
| 34 | Mary E. Miotke | 35 | Wife | — | South Dakota |
| 35 | Maryann Miotke | 6 | Daughter | — | South Dakota |
| 36 | Joe J. Miotke | 3 | Son | — | South Dakota |
| 37 | David J. Miotke | 1 | Son | — | South Dakota |
| 38 | Joseph Miotke | 71 | Father | Retired Farmer | Poland |
| 39 | Victor Glombiewski | 58 | Head | Farmer | Poland |
| 40 | Stanley A. Schultz | 76 | Boarder | Farmer | Poland |
Pedigree Summary
Walter + 3 siblings
Gen 1 · 4 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)