WC
Walter Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Indiana
Our Model Tree links this Walter Cooper across the 1930 and 1940 US Censuses in Knox-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 7-person household.
Age 56
b. ~1884
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Indiana |
| Surname | Cooper |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Vincennes City |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Barber |
| Industry | Own Shop |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Barber |
| Township / Ward | Vincennes City |
| Est. Birth Year | ~1884 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Eva Cooper | Daughter | — | 14 | ~1926 |
| Walter Cooper | Head | — | 56 | ~1884 |
| Walter Cooper | Son | — | 13 | ~1927 |
| Charlotte Cooper | Daughter | — | 18 | ~1922 |
| Paul Cooper | Son | — | 8 | ~1932 |
| Cora Cooper | Spouse | — | 48 | ~1892 |
| Loretta Cooper | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Knox, Indiana
Head, age 47
Knox, Indiana · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 27 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Barber |
| Industry | Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1600 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Knox-County, Indiana
Head, age 56
Knox-County, Indiana · implied b. ~1884 — 7 household members
| Surname | Cooper |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Vincennes City |
| 1935 Residence (County) | Knox |
| Occupation | Barber |
| Industry | Own Shop |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Walter Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Walter Cooper
Head · 1940 · age 56 · b. ~1884 · Indiana
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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 — Knox-County, Indiana
Open full size
1940 US Federal Census — Knox-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01061-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Self | 52 | Head | — | Indiana |
| 42 | Claude Self | 35 | Son | Mechanic | Indiana |
| 43 | Pearl Self | 23 | Daughter | Houseworker | Indiana |
| 44 | Claude Swope | 53 | Head | Mail Carrier | Indiana |
| 45 | Hazel Swope | 49 | Wife | — | Indiana |
| 46 | Charles Swope | 22 | Son | Clerk | Indiana |
| 47 | Phoebe Sumner | 59 | Head | Tailoress | Indiana |
| 48 | Ella Sumner | 31 | Daughter | — | Indiana |
| 49 | Clarence Stangle | 37 | Head | Printer | Indiana |
| 50 | Jane Stangle | 31 | Wife | — | Illinois |
| 51 | Wilma Jean Stangle | 13 | Daughter | — | Indiana |
| 52 | James Joseph Stangle | 10 | Son | — | Indiana |
| 53 | Patricia Lou Stangle | 7 | Daughter | — | Indiana |
| 54 | John Franklin Stangle | 5 | Son | — | Indiana |
| 55 | Walter Cooper THIS PERSON | 56 | Head | Barber | Indiana |
| 56 | Cora Cooper | 48 | Wife | — | Indiana |
| 57 | Charlotte L. Cooper | 18 | Daughter | — | Indiana |
| 58 | Eva May Cooper | 14 | Daughter | — | Indiana |
| 59 | Walter J. Cooper | 13 | Son | — | Indiana |
| 60 | Paul Cooper | 8 | Son | — | Indiana |
| 61 | Loretta Ann Cooper | 5 | Daughter | — | Indiana |
| 62 | William Walter | 63 | Head | — | Indiana |
| 63 | Ella Pearl Walter | 53 | Wife | — | Indiana |
| 64 | Florence Walter | 20 | Daughter | Stenographer | Indiana |
| 65 | Melvin Grove | 44 | Head | Truck Driver | Illinois |
| 66 | Nadine Grove | 37 | Wife | — | Illinois |
| 67 | Carolyn Ruth Grove | 14 | Daughter | — | Illinois |
| 68 | Dennis Grove | 11 | Son | — | Illinois |
| 69 | Carolyn Grove | 6 | Daughter | — | Illinois |
| 70 | William S. Doyle | 41 | Head | Trucker | Indiana |
| 71 | Ethel Doyle | 33 | Wife | — | Indiana |
| 72 | Patrick Doyle | 9 | Son | — | Indiana |
| 73 | Jack Doyle | 8 | Son | — | Indiana |
| 74 | Donald Doyle | 6 | Son | — | Indiana |
| 75 | Agnes Barnes | 59 | Head | — | Indiana |
| 76 | Paul Wheeler | 28 | Head | Salesman | Indiana |
| 77 | Veronica Wheeler | 26 | Wife | Book-Keeper | Indiana |
| 78 | Alice Prullage | 38 | Head | Heel Maker | Indiana |
| 79 | Mary Catherine Prullage | 17 | Daughter | — | Indiana |
| 80 | Clara Alice Prullage | 15 | Daughter | — | Indiana |
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)