WC
Walter Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rutland-County, Vermont
Our Model Tree links this Walter Cooper across the 1930 and 1940 US Censuses in Rutland-County, Vermont (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Vermont
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rutland-County, Vermont |
| Surname | Cooper |
| Given Name | Walter D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Wells |
| 1935 Residence (County) | Rutland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Farmer |
| Township / Ward | Wells |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Nina Cooper | Daughter | — | 13 | ~1927 |
| Fred Cooper | Son | — | 2 | ~1938 |
| Fred Cooper | Head | — | 38 | ~1902 |
| Rita Cooper | Daughter | — | 9 | ~1931 |
| Walter Cooper | Son | — | 15 | ~1925 |
| Vera Cooper | Daughter | — | 11 | ~1929 |
| Dorothy Cooper | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Rutland, Vermont
Son, age 5
Rutland, Vermont · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Rutland-County, Vermont
Son, age 15
Rutland-County, Vermont · implied b. ~1925 — 7 household members
| Surname | Cooper |
| Given Name | Walter D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Wells |
| 1935 Residence (County) | Rutland |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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
Son · 1940 · age 15 · b. ~1925 · Vermont
★ You are viewing this record
Sibling
Vera Cooper
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nina Cooper
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Cooper
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Cooper
Sibling · 1940 · age 2
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 — Rutland-County, Vermont
Open full size
1940 US Federal Census — Rutland-County, Vermont
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04236-00628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Warren D. Ballard | 48 | Head | Farmer | New York |
| 2 | Jessie L. Ballard | 43 | Wife | — | Vermont |
| 3 | Clayton W. Ballard | 13 | Nephew | — | New York |
| 4 | Harvey C. Matthews | 51 | Head | Farmer | Vermont |
| 5 | Ethel G. Matthews | 51 | Wife | — | Vermont |
| 6 | J. Vernon Matthews | 20 | Son | Truck Driver | Vermont |
| 7 | Fred G. Cooper | 38 | Head | Farmer | Vermont |
| 8 | Dorothy M. Cooper | 32 | Wife | — | Vermont |
| 9 | Walter D. Cooper THIS PERSON | 15 | Son | Farmer | Vermont |
| 10 | Nina D. Cooper | 13 | Daughter | — | Vermont |
| 11 | Vera E. Cooper | 11 | Daughter | — | Vermont |
| 12 | Rita H. Cooper | 9 | Daughter | — | Vermont |
| 13 | Fred D. Jr. Cooper | 2 | Son | — | Vermont |
| 14 | William S. Aldous | 58 | Head | Farmer | Vermont |
| 15 | Viola M. Aldous | 51 | Wife | — | Vermont |
| 16 | Frances M. Aldous | 12 | Daughter | — | Vermont |
| 17 | Ernest W. Aldous | 9 | Son | — | Vermont |
| 18 | Robert F. Ballard | 33 | Brother-in-law | Farmer | Vermont |
| 19 | George A. Serpa | 62 | Head | Farmer | Austria-Hungary |
| 20 | Anna H. Serpa | 61 | Wife | — | Austria-Hungary |
| 21 | George J. Serpa | 31 | Son | Farmer | Vermont |
| 22 | Thomas G. Serpa | 18 | Son | Farmer | Vermont |
| 23 | Margaret E. Serpa | 11 | Daughter | — | Vermont |
| 24 | Edward D. Corey | 36 | Head | Carpenter | Vermont |
| 25 | Alice H. Corey | 32 | Wife | — | Vermont |
| 26 | Mable V. Corey | 13 | Daughter | — | Vermont |
| 27 | Harry S. Corey | 10 | Son | — | Vermont |
| 28 | Margaret A. Corey | 10 | Daughter | — | Vermont |
| 29 | Marie J. Corey | 9 | Daughter | — | Vermont |
| 30 | Wilma L. Corey | 7 | Daughter | — | Vermont |
| 31 | Lena R. Corey | 4 | Daughter | — | Vermont |
| 32 | Mae J. Corey | 2 | Daughter | — | Vermont |
| 33 | Helen V. Corey | 0 | Daughter | — | Vermont |
| 34 | Raymond A. Ballard | 26 | Head | Farmer | Vermont |
| 35 | Mildred P. Ballard | 25 | Wife | — | Vermont |
| 36 | Silvia A. Ballard | 3 | Daughter | — | Vermont |
| 37 | Raymond A. Jr. Ballard | 1 | Son | — | Vermont |
| 38 | Harold Sweeney | 18 | Servant | Farmer | Vermont |
| 39 | Floyd S. Pratt | 22 | Head | Cheesemaker | Vermont |
| 40 | Alice M. Pratt | 18 | Wife | — | Vermont |
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)