SK
Sarah Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ziebach-County, South Dakota
Our Model Tree links this Sarah Knight across the 1930 and 1940 US Censuses in Ziebach-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 14-person household.
Age 40
b. ~1900
Female
Spouse
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ziebach-County, South Dakota |
| Surname | Knight |
| Given Name | Sarah M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Unorganized T. 9 R. 20 |
| 1935 Residence (County) | Ziebach |
| Additional Details | |
| Occupation | Lodging house keeper |
| Industry | Lodging house |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Lodging House Keeper |
| Township / Ward | Unorganized T 9 R 20 |
| Est. Birth Year | ~1900 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Douglas Knight | Son | — | 9 | ~1931 |
| Wallace Knight | Head | — | 42 | ~1898 |
| Melvin Red Bull | Other | — | 2 | ~1938 |
| Philomene Winters | Other | — | 6 | ~1934 |
| Ira Strong | Other | — | 57 | ~1883 |
| Lucille Knight | Daughter | — | 13 | ~1927 |
| Jesse Knight | Son | — | 15 | ~1925 |
| Sarah Knight | Spouse | — | 40 | ~1900 |
| Nadine Knight | Daughter | — | 4 | ~1936 |
| Lila Knight | Daughter | — | 16 | ~1924 |
| Daniel Red Bull | Other | — | 26 | ~1914 |
| Marcella Red Bull | Other | — | 36 | ~1904 |
| Jess Abdalla | Other | — | 36 | ~1904 |
| Lester Knight | Son | — | 12 | ~1928 |
Census Appearances
1930
Ziebach, South …
Other, age 27
Ziebach, South Dakota · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Sarah |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | American Indian |
| Age | 27 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 20 |
| Father's Birthplace | Full blood |
| Mother's Birthplace | Sioux |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Ziebach-County, South …
Spouse, age 40
Ziebach-County, South Dakota · implied b. ~1900 — 14 household members
| Surname | Knight |
| Given Name | Sarah M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Unorganized T. 9 R. 20 |
| 1935 Residence (County) | Ziebach |
| Occupation | Lodging house keeper |
| Industry | Lodging house |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | 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 Sarah Knight across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Knight
Spouse · 1940 · age 40 · b. ~1900 · 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 — Ziebach-County, South Dakota
Open full size
1940 US Federal Census — Ziebach-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03870-00716)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wallace W. Knight | 42 | Head | Ranch Operator | Missouri |
| 2 | Sarah M. Knight THIS PERSON | 40 | Wife | Lodging House Keeper | South Dakota |
| 3 | Lila E. Knight | 16 | Daughter | — | South Dakota |
| 4 | Jesse A. Knight | 15 | Son | — | South Dakota |
| 5 | Lucille M. Knight | 13 | Daughter | — | South Dakota |
| 6 | Lester R. Knight | 12 | Son | — | South Dakota |
| 7 | Douglas A. Knight | 9 | Son | — | South Dakota |
| 8 | Nadine F. Knight | 4 | Daughter | — | South Dakota |
| 9 | Ira Strong | 57 | Lodger | Laborer | South Dakota |
| 10 | Jess Abdalla | 36 | Lodger | Laborer | South Dakota |
| 11 | Daniel Red Bull | 26 | Lodger | Laborer | South Dakota |
| 12 | Marcella Red Bull | 36 | Lodger | — | South Dakota |
| 13 | Melvin Red Bull | 2 | Lodger | — | South Dakota |
| 14 | Philomene Winters | 6 | Lodger | — | South Dakota |
| 15 | Raymond Brown Thunder | 50 | Head | Ranch Operator | South Dakota |
| 16 | Mary Brown Thunder | 35 | Wife | — | South Dakota |
| 17 | Alice Brown Thunder | 14 | Daughter | — | South Dakota |
| 18 | Thelma Brown Thunder | 14 | Daughter | — | South Dakota |
| 19 | Melda Brown Thunder | 12 | Daughter | — | South Dakota |
| 20 | Virginia Brown Thunder | 8 | Daughter | — | South Dakota |
| 21 | Patrick Brown Thunder | 4 | Son | — | South Dakota |
| 22 | Frank Iron Hawk | 51 | Head | Ranch Operator | South Dakota |
| 23 | Esther Iron Hawk | 44 | Wife | — | South Dakota |
| 24 | Claude Iron Hawk | 21 | Son | Ranch Hand | South Dakota |
| 25 | Sylvia Iron Hawk | 4 | Daughter | — | South Dakota |
| 26 | Levi Iron Hawk | 17 | Nephew | — | South Dakota |
| 27 | Oscar Half Red | 66 | Head | — | South Dakota |
| 28 | Maggie Half Red | 65 | Wife | — | South Dakota |
| 29 | Martha Half Red | 24 | Daughter | — | South Dakota |
| 30 | Rebecca Half Red | 19 | Daughter | — | South Dakota |
| 31 | John R. Half Red | 2 | Grandson | — | South Dakota |
| 32 | Franklin Half Red | 36 | Head | Laborer | South Dakota |
| 33 | John Brown Wolf | 37 | Head | Laborer | South Dakota |
| 34 | Mabel D. Brown Wolf | 35 | Wife | — | South Dakota |
| 35 | Oliver Brown Wolf | 16 | Son | — | South Dakota |
| 36 | Charlotte J. Brown Wolf | 13 | Daughter | — | South Dakota |
| 37 | Leroy Brown Wolf | 5 | Son | — | South Dakota |
| 38 | Henry Thunder Hoop | 61 | Head | Ranch Operator | South Dakota |
| 39 | Ruth Thunder Hoop | 53 | Wife | — | South Dakota |
| 40 | Drucilla Thunder Hoop | 20 | Daughter | — | 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)