DC
Dorothy Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adair-County, Missouri
Our Model Tree links this Dorothy Cooper across the 1930 and 1940 US Censuses in Adair-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Adair-County, Missouri |
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Clay Township |
| 1935 Residence (County) | Adair |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Clay Township |
| Est. Birth Year | ~1926 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dean Cooper | Son | — | 11 | ~1929 |
| Marie Cooper | Daughter | — | 21 | ~1919 |
| Alice Cooper | Daughter | — | 24 | ~1916 |
| Mary Cooper | Daughter | — | 18 | ~1922 |
| Betty Cooper | Daughter | — | 9 | ~1931 |
| Eugene Cooper | Son | — | 4 | ~1936 |
| Katherine Cooper | Daughter | — | 7 | ~1933 |
| Jesse Cooper | Head | — | 46 | ~1894 |
| Dorothy Cooper | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Adair, Missouri
Daughter, age 5
Adair, Missouri · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Montana |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Adair-County, Missouri
Daughter, age 14
Adair-County, Missouri · implied b. ~1926 — 9 household members
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Clay Township |
| 1935 Residence (County) | Adair |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Cooper
Daughter · 1940 · age 14 · b. ~1926 · Missouri
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Sibling
Alice Cooper
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Cooper
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Cooper
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cooper
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Cooper
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Cooper
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Cooper
Sibling · 1940 · age 4
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 — Adair-County, Missouri
Open full size
1940 US Federal Census — Adair-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02081-00356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph T. O'Donnell | 42 | Head | Farmer | Missouri |
| 2 | Margaret R. O'Donnell | 35 | Wife | — | Missouri |
| 3 | William F. O'Donnell | 5 | Son | — | Missouri |
| 4 | Joseph E. O'Donnell | 3 | Son | — | Missouri |
| 5 | Robert R. O'Donnell | 2 | Son | — | Missouri |
| 6 | John T. Hilt | 49 | Head | Farmer | Missouri |
| 7 | Alice G. Hilt | 53 | Wife | — | Missouri |
| 8 | Dennis D. Daly | 70 | Head | Farmer | Missouri |
| 9 | Anna Daly | 64 | Wife | — | Missouri |
| 10 | John Hillside | 14 | Nephew | — | Missouri |
| 11 | Robert Shipley | 26 | Lodger | Farm Labor | Missouri |
| 12 | Mary Shipley | 58 | Head | — | Illinois |
| 13 | Paul Shipley | 29 | Son | Farm Labor | Missouri |
| 14 | John Shipley | 23 | Son | Asst Cook | Missouri |
| 15 | Margaret Shipley | 19 | Daughter | — | Missouri |
| 16 | Felix G. Clark | 63 | Head | Farmer | Missouri |
| 17 | Alice Clark | 62 | Wife | — | Missouri |
| 18 | John Clark | 23 | Son | — | Missouri |
| 19 | Paul Clark | 19 | Son | — | Missouri |
| 20 | W. M. Malone | 64 | Head | Farmer | Illinois |
| 21 | Agnes Malone | 58 | Wife | — | Missouri |
| 22 | Anna Malone | 22 | Daughter | Maid | Missouri |
| 23 | Pearl Malone | 20 | Son | — | Missouri |
| 24 | Katherine Malone | 18 | Daughter | — | Missouri |
| 25 | W. R. Zipper | 39 | Head | Farmer | Missouri |
| 26 | Ida Zipper | 35 | Wife | — | Missouri |
| 27 | Barbara Zipper | 16 | Daughter | — | Missouri |
| 28 | Jean Zipper | 10 | Daughter | — | Missouri |
| 29 | Bernice Zipper | 7 | Daughter | — | Missouri |
| 30 | Chester S. Cooper | 58 | Head | Farmer | Missouri |
| 31 | Mattie Cooper | 66 | Wife | — | Missouri |
| 32 | Jesse S. Cooper | 46 | Head | Farmer | Missouri |
| 33 | Alice Cooper | 24 | Daughter | — | Missouri |
| 34 | Marie Cooper | 21 | Daughter | — | Missouri |
| 35 | Mary Cooper | 18 | Daughter | Teacher Assistant | Missouri |
| 36 | Dorothy Cooper THIS PERSON | 14 | Daughter | — | Missouri |
| 37 | Dean Cooper | 11 | Son | — | Missouri |
| 38 | Betty Cooper | 9 | Daughter | — | Missouri |
| 39 | Katherine Cooper | 7 | Daughter | — | Missouri |
| 40 | Eugene Cooper | 4 | Son | — | Missouri |
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)