LR
Lillian Robinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Spink-County, South Dakota
Our Model Tree links this Lillian Robinson across the 1930 and 1940 US Censuses in Spink-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 9-person household.
Age 38
b. ~1902
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Spink-County, South Dakota |
| Surname | Robinson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Spink |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | South Dakota |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Frankfort Township |
| Est. Birth Year | ~1902 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Esther Robinson | Daughter | — | 16 | ~1924 |
| Eula Robinson | Daughter | — | 10 | ~1930 |
| Norman Robinson | Son | — | 12 | ~1928 |
| Dean Robinson | Son | — | 4 | ~1936 |
| Lillian Robinson | Spouse | — | 38 | ~1902 |
| Keith Robinson | Son | — | 6 | ~1934 |
| Martin Robinson | Son | — | 14 | ~1926 |
| Oliver Robinson | Son | — | 19 | ~1921 |
| Louis Robinson | Head | — | 40 | ~1900 |
Census Appearances
1930
Spink, South …
Spouse, age 28
Spink, South Dakota · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Spink-County, South …
Spouse, age 38
Spink-County, South Dakota · implied b. ~1902 — 9 household members
| Surname | Robinson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Spink |
| Highest Grade | Hs 4 |
| 1935 Residence | South Dakota |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lillian Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lillian Robinson
Spouse · 1940 · age 38 · b. ~1902 · 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 — Spink-County, South Dakota
Open full size
1940 US Federal Census — Spink-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03867-00503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard D. Baird | 64 | Head | Farmer | Illinois |
| 2 | Clark Baird | 21 | Son | Farmer | South Dakota |
| 3 | Emil Franz | 60 | Head | Farmer | Wisconsin |
| 4 | Grace Franz | 49 | Wife | — | Iowa |
| 5 | John Franz | 18 | Son | Farmer | South Dakota |
| 6 | Iles Franz | 13 | Daughter | — | South Dakota |
| 7 | Evelyn Franz | 11 | Daughter | — | South Dakota |
| 8 | Gwendolyn Franz | 7 | Daughter | — | South Dakota |
| 9 | Gust A. Johnson | 63 | Head | Farmer | Sweden |
| 10 | Amanda Johnson | 61 | Wife | — | Iowa |
| 11 | John Johnson | 70 | Head | Farmer | Sweden |
| 12 | Esther Johnson | 58 | Wife | — | Iowa |
| 13 | Ilene Johnson | 25 | Son | Farmer | South Dakota |
| 14 | Edna Johnson | 23 | Daughter-in-law | — | South Dakota |
| 15 | Stanley Siligek | 25 | Head | Farmer | Poland |
| 16 | Lois Siligek | 23 | Wife | — | South Dakota |
| 17 | Charles Roche | 52 | Head | Farmer | South Dakota |
| 18 | Birdie Roche | 52 | Wife | — | South Dakota |
| 19 | Harold Brock | 26 | Head | Farmer | South Dakota |
| 20 | Dorothy Brock | 24 | Wife | — | South Dakota |
| 21 | Jacquelyn Brock | 2 | Daughter | — | South Dakota |
| 22 | Lloyd D. Boyer | 37 | Head | Farmer | South Dakota |
| 23 | Anna Boyer | 37 | Wife | — | South Dakota |
| 24 | Clayton Boyer | 7 | Son | — | South Dakota |
| 25 | Louis Robinson | 40 | Head | Farmer | South Dakota |
| 26 | Lillian Robinson THIS PERSON | 38 | Wife | — | Illinois |
| 27 | Oliver Robinson | 19 | Son | Farmer | South Dakota |
| 28 | Esther Robinson | 16 | Daughter | — | South Dakota |
| 29 | Martin Robinson | 14 | Son | — | South Dakota |
| 30 | Norman Robinson | 12 | Son | — | South Dakota |
| 31 | Eula Robinson | 10 | Daughter | — | South Dakota |
| 32 | Keith Robinson | 6 | Son | — | South Dakota |
| 33 | Dean Robinson | 4 | Son | — | South Dakota |
| 34 | Charles Norman | 64 | Head | Farmer | Pennsylvania |
| 35 | Esther Norman | 55 | Wife | — | Illinois |
| 36 | Robert Levi | 33 | Head | Farm Laborer | Nebraska |
| 37 | Doris Levi | 30 | Wife | — | Nebraska |
| 38 | Dwight Levi | 11 | Son | — | South Dakota |
| 39 | Margaret Levi | 8 | Daughter | — | Nebraska |
| 40 | Hugh Levi | 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)