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Mary Middleton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hughes-County, South Dakota
Our Model Tree links this Mary Middleton across the 1930 and 1940 US Censuses in Hughes-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hughes-County, South Dakota |
| Surname | Middleton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Pierre City |
| 1935 Residence (County) | Hughes |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Pierre City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harley Middleton | Son | — | 18 | ~1922 |
| Richard Middleton | Son | — | 8 | ~1932 |
| George Middleton | Head | — | 49 | ~1891 |
| Virginia Middleton | Daughter | — | 12 | ~1928 |
| Mitchell Middleton | Son | — | 10 | ~1930 |
| Gail Middleton | Son | — | 5 | ~1935 |
| Mary Middleton | Spouse | — | 40 | ~1900 |
| Veda Middleton | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Hughes, South …
Other, age 30
Hughes, South Dakota · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Middleton |
| Given Name | Mary A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 20 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Hughes-County, South …
Spouse, age 40
Hughes-County, South Dakota · implied b. ~1900 — 8 household members
| Surname | Middleton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Pierre City |
| 1935 Residence (County) | Hughes |
| 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 Mary Middleton across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Middleton
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 — Hughes-County, South Dakota
Open full size
1940 US Federal Census — Hughes-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03857-00796)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gilda Vance | 17 | Daughter | Library Assistant | Canada |
| 2 | Eleanor Vance | 14 | Daughter | — | South Dakota |
| 3 | Frances Vance | 12 | Daughter | — | South Dakota |
| 4 | Leslie Erickson | 24 | Head | Laborer | South Dakota |
| 5 | Edith Erickson | 24 | Wife | — | Canada |
| 6 | James Erickson | 1 | Son | — | South Dakota |
| 7 | Earl E. Vance | 29 | Head | Supervisor | South Dakota |
| 8 | Velma Vance | 27 | Wife | — | Nebraska |
| 9 | Barbara Vance | 7 | Daughter | — | South Dakota |
| 10 | Larry Vance | 6 | Son | — | South Dakota |
| 11 | Humphrey Powers | 59 | Head | Street Worker | Iowa |
| 12 | Grace Powers | 45 | Wife | — | Iowa |
| 13 | Arthur Huebner | 34 | Head | Laborer | Iowa |
| 14 | Emily Huebner | 31 | Wife | — | South Dakota |
| 15 | Darlene Huebner | 14 | Daughter | — | South Dakota |
| 16 | Irene Huebner | 9 | Daughter | — | South Dakota |
| 17 | Ruth Huebner | 7 | Daughter | — | South Dakota |
| 18 | Ronald Huebner | 5 | Son | — | South Dakota |
| 19 | Lile Huebner | 3 | Daughter | — | South Dakota |
| 20 | Darlene Huebner | 1 | Daughter | — | South Dakota |
| 21 | Lucile Fuller | 30 | Head | — | South Dakota |
| 22 | George Fuller | 12 | Son | — | South Dakota |
| 23 | Robert Parks | 31 | Head | Trucker | South Dakota |
| 24 | Margaret Parks | 28 | Wife | — | South Dakota |
| 25 | Beverly Parks | 5 | Daughter | — | South Dakota |
| 26 | Robert Irving Parks | 4 | Son | — | South Dakota |
| 27 | Clifford Parks | 2 | Son | — | South Dakota |
| 28 | Addie Parks | 68 | Head | — | Iowa |
| 29 | Irving Parks | 79 | Husband | — | Michigan |
| 30 | Addie Gassaway | 60 | Head | — | Illinois |
| 31 | Verna Gassaway | 79 | Mother | — | Illinois |
| 32 | Mary Gassaway | 42 | Sister | — | Illinois |
| 33 | George Middleton | 49 | Head | Painter | Iowa |
| 34 | Mary Middleton THIS PERSON | 40 | Wife | — | South Dakota |
| 35 | Harley Middleton | 18 | Son | — | South Dakota |
| 36 | Veda Middleton | 14 | Daughter | — | South Dakota |
| 37 | Virginia Middleton | 12 | Daughter | — | South Dakota |
| 38 | Mitchell Middleton | 10 | Son | — | South Dakota |
| 39 | Richard Middleton | 8 | Son | — | South Dakota |
| 40 | Gail Middleton | 5 | Son | — | 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)