DC
Dorothy Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Missouri
Our Model Tree links this Dorothy Cooper across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Missouri |
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Industry | H |
| Class of Worker | 50 |
| Highest Grade | H-2 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | De Soto |
| Est. Birth Year | ~1888 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Warren Cooper | Son | — | 14 | ~1926 |
| Dorothy Cooper | Spouse | — | 52 | ~1888 |
| Harold Cooper | Son | — | 17 | ~1923 |
| C Cooper | Head | — | 56 | ~1884 |
Census Appearances
1920
Jefferson, Missouri
Spouse, age 31
Jefferson, Missouri · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Dorthy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jefferson, Missouri
Spouse, age 42
Jefferson, Missouri · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Dorotha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 19 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jefferson-County, Missouri
Spouse, age 52
Jefferson-County, Missouri · implied b. ~1888 — 4 household members
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Industry | H |
| Class of Worker | 50 |
| Highest Grade | H-2 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Dorothy Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Dorothy Cooper
Spouse · 1940 · age 52 · b. ~1888 · Missouri
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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 — Jefferson-County, Missouri
Open full size
1940 US Federal Census — Jefferson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02119-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Inabelle Lutzinger | 17 | daughter | — | Missouri |
| 2 | James S. Vaughn | 35 | Head | Owner - Driver | Missouri |
| 3 | Meta Vaughn | 29 | wife | — | Missouri |
| 4 | Guy Johnston | 28 | Head | Bottom Finisher | Missouri |
| 5 | Ella Johnston | 26 | wife | — | Missouri |
| 6 | Roy Johnston | 11 | son | — | Missouri |
| 7 | Donald Johnston | 8 | son | — | Missouri |
| 8 | Guy Jr. Johnston | 5 | son | — | Missouri |
| 9 | Ruth Ann Johnston | 3 | daughter | — | Missouri |
| 10 | Nancy Johnston | 1 | daughter | — | Missouri |
| 11 | J. D. Sullivan | 76 | Head | — | Missouri |
| 12 | Katherine Lewis | 53 | Head | Seamstress | Missouri |
| 13 | Fredia N. Lewis | 15 | daughter | — | Missouri |
| 14 | J. D. Lynn | 38 | Head | Car Helper | Arkansas |
| 15 | Sarah Lynn | 34 | wife | — | Missouri |
| 16 | Ab Leroy | 16 | son | Newworker | Arkansas |
| 17 | Juanita Lynn | 15 | daughter | — | Arkansas |
| 18 | Frances Lynn | 13 | daughter | — | Arkansas |
| 19 | Noel Lewis | 45 | Head | Saw Mill Operator | Missouri |
| 20 | Annie Lewis | 45 | wife | — | Missouri |
| 21 | Clyde Lewis | None | AB | 26 | No 7 |
| 22 | Joel Lewis | 17 | son | Saw Mill Helper | Missouri |
| 23 | Ruby Lewis | 11 | daughter | — | Missouri |
| 24 | William A. Huskey | 32 | Head | Last Puller | Missouri |
| 25 | Dolly Huskey | 30 | wife | — | Missouri |
| 26 | Elnore Huskey | 10 | daughter | — | Missouri |
| 27 | Virginia Huskey | 8 | daughter | — | Missouri |
| 28 | William C. Huskey | 6 | son | — | Missouri |
| 29 | Barbara Jean Huskey | 2 | daughter | — | Missouri |
| 30 | David Huskey | 0 | son | — | Missouri |
| 31 | Charles F. Mattingly | 55 | Head | Owner Manager | Missouri |
| 32 | Esther M. Mattingly | 44 | wife | — | Illinois |
| 33 | S. P. Collins | 84 | Head | — | Missouri |
| 34 | Carmell, Emma Collins | 56 | daughter | — | Missouri |
| 35 | C. H. Cooper | 56 | Head | Truck Driver | Missouri |
| 36 | Dorothy Cooper THIS PERSON | 52 | wife | — | Missouri |
| 37 | Harold Cooper | 17 | son | — | Missouri |
| 38 | Warren Cooper | 14 | son | — | Missouri |
| 39 | S. T. Medley | 77 | Head | — | Missouri |
| 40 | Dudley Bailey | 47 | Head | Carman | Missouri |
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)