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Cora Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Wisconsin
Our Model Tree links this Cora Brown across the 1930 and 1940 US Censuses in Polk-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 7-person household.
Age 43
b. ~1897
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Wisconsin |
| Surname | Brown |
| Given Name | Cora M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Eureka town |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Eureka Town |
| Est. Birth Year | ~1897 |
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 Cora | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Brown | Daughter | — | 11 | ~1929 |
| Bernice Brown | Daughter | — | 15 | ~1925 |
| Carol Brown | Daughter | — | 9 | ~1931 |
| Luella Brown | Daughter | — | 20 | ~1920 |
| Geo Brown | Head | — | 45 | ~1895 |
| Douglas Brown | Son | — | 4 | ~1936 |
| Cora Brown | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Polk, Wisconsin
Spouse, age 32
Polk, Wisconsin · implied b. ~1898 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Cora M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 21 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Polk-County, Wisconsin
Spouse, age 43
Polk-County, Wisconsin · implied b. ~1897 — 7 household members
| Surname | Brown |
| Given Name | Cora M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Eureka town |
| 1935 Residence (County) | Polk |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Cora Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Cora Brown
Spouse · 1940 · age 43 · b. ~1897 · Wisconsin
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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 — Polk-County, Wisconsin
Open full size
1940 US Federal Census — Polk-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04512-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert C Jackson | 51 | Head | Farmer | Wisconsin |
| 2 | Margaret Jackson | 47 | Wife | — | Nebraska |
| 3 | Edna Jackson | 16 | Daughter | — | Wisconsin |
| 4 | Nels F Nelson | 60 | Head | Farmer | Sweden |
| 5 | Florence Nelson | 47 | Wife | — | Wisconsin |
| 6 | Marie Nelson | 29 | Daughter | Housekeeper | Wisconsin |
| 7 | Carl Nelson | 24 | Son | Laborer | Wisconsin |
| 8 | Geo T Brown | 45 | Head | Farmer | Wisconsin |
| 9 | Cora M Brown THIS PERSON | 43 | Wife | — | Minnesota |
| 10 | Luella Brown | 20 | Daughter | Housework | Wisconsin |
| 11 | Bernice Brown | 15 | Daughter | — | Wisconsin |
| 12 | Marilyn Brown | 11 | Daughter | — | Wisconsin |
| 13 | Carol Brown | 9 | Daughter | — | Wisconsin |
| 14 | Douglas Brown | 4 | Son | — | Wisconsin |
| 15 | William H Campbell | 39 | Head | Farmer | Minnesota |
| 16 | Albert Pitzl | 49 | Head | Farmer | Minnesota |
| 17 | Emma Pitzl | 49 | Wife | — | Minnesota |
| 18 | Evelyne Pitzl | 19 | Daughter | — | Wisconsin |
| 19 | Marcella Pitzl | 16 | Daughter | — | Wisconsin |
| 20 | Maynard Pitzl | 12 | Son | — | Wisconsin |
| 21 | Edroy Pitzl | 10 | Son | — | Wisconsin |
| 22 | Donald Pitzl | 6 | Son | — | Wisconsin |
| 23 | Geo F Vadner | 43 | Head | Farmer | Minnesota |
| 24 | Margaret Vadner | 58 | Wife | — | Minnesota |
| 25 | Adney Vadner | 21 | Son | Farm Laborer | Minnesota |
| 26 | Eugene Vadner | 14 | Son | — | Wisconsin |
| 27 | Henry Spielman | 46 | Head | Farmer | Illinois |
| 28 | Susan Spielman | 73 | Mother | — | Illinois |
| 29 | John M Gausman | 71 | Head | — | Wisconsin |
| 30 | Mary Gausman | 69 | Wife | — | Iowa |
| 31 | Harvey Gausman | 36 | Son | Salesman | Iowa |
| 32 | Ulah Bratman | 40 | Head | Laborer | Iowa |
| 33 | Gladys Bratman | 38 | Wife | — | Iowa |
| 34 | Arnold Bratman | 12 | Son | — | Iowa |
| 35 | Elna Bratman | 11 | Daughter | — | Wisconsin |
| 36 | Henry Hewitt | 89 | Head | — | New York |
| 37 | Claude W Bystrom | 33 | Head | Wpa Intermediate | Wisconsin |
| 38 | Phyllis Bystrom | 32 | Wife | — | Minnesota |
| 39 | Violet Bystrom | 12 | Daughter | — | Minnesota |
| 40 | Donald Bystrom | 9 | Son | — | Minnesota |
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)