MC
Martha Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pierce-County, Wisconsin
Our Model Tree links this Martha Cook across the 1930 and 1940 US Censuses in Pierce-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Wisconsin |
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Ellsworth |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Occupation | Florist |
| Industry | Green House |
| Class of Worker | OA |
| Hours Worked | 28 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Florist |
| Township / Ward | Ellsworth |
| Est. Birth Year | ~1898 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Cook | Spouse | — | 42 | ~1898 |
| Arthur Cook | Head | — | 48 | ~1892 |
| Dorothy Cook | Daughter | — | 5 | ~1935 |
| Bernice Cook | Daughter | — | 23 | ~1917 |
| Donald Cook | Son | — | 17 | ~1923 |
| Constance Cook | Daughter | — | 8 | ~1932 |
| Robert Cook | Son | — | 10 | ~1930 |
Census Appearances
1930
Pierce, Wisconsin
Other, age 33
Pierce, Wisconsin · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Martha E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 20 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Pierce-County, Wisconsin
Spouse, age 42
Pierce-County, Wisconsin · implied b. ~1898 — 7 household members
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Ellsworth |
| 1935 Residence (County) | Pierce |
| Occupation | Florist |
| Industry | Green House |
| Class of Worker | OA |
| Hours Worked | 28 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Martha Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Cook
Spouse · 1940 · age 42 · b. ~1898 · 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 — Pierce-County, Wisconsin
Open full size
1940 US Federal Census — Pierce-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04511-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Blue | 4 | Son | — | Wisconsin |
| 42 | Edward Blue | 2 | Son | — | Wisconsin |
| 43 | Lloyd Blue | 37 | Head | Common Labor | Iowa |
| 44 | Elva Blue | 30 | Wife | — | Wisconsin |
| 45 | Earl Blue | 11 | Son | — | Wisconsin |
| 46 | Gene Blue | 9 | Son | — | Wisconsin |
| 47 | Donna May Blue | 7 | Daughter | — | Wisconsin |
| 48 | Evelyn Thooner | 45 | Head | Dentist | Wisconsin |
| 49 | Winifred Thooner | 36 | Wife | — | Wisconsin |
| 50 | Robert Thooner | 9 | Son | — | Wisconsin |
| 51 | Jack Thooner | 6 | Son | — | Wisconsin |
| 52 | Richard Thooner | 5 | Son | — | Wisconsin |
| 53 | Nancy Thooner | 3 | Daughter | — | Wisconsin |
| 54 | Yvonne Danielson | 21 | Head | Job Clerk | Wisconsin |
| 55 | Ronette Danielson | 18 | Sister | — | Wisconsin |
| 56 | Enid Danielson | 16 | Sister | — | Wisconsin |
| 57 | Gertrude Kilen | 65 | Head | — | Wisconsin |
| 58 | Arthur Cook | 48 | Head | Electrician | Wisconsin |
| 59 | Martha Cook THIS PERSON | 42 | Wife | Florist | Wisconsin |
| 60 | Bernice Cook | 23 | Daughter | Maid | Wisconsin |
| 61 | Donald Cook | 17 | Son | — | Wisconsin |
| 62 | Robert Cook | 10 | Son | — | Wisconsin |
| 63 | Constance Cook | 8 | Daughter | — | Wisconsin |
| 64 | Dorothy Ann Cook | 5 | Daughter | — | Wisconsin |
| 65 | Margaret Schraeder | 39 | Head | — | Wisconsin |
| 66 | John E Schraeder | 17 | Son | — | Iowa |
| 67 | Rita Mae Schraeder | 11 | Daughter | — | Wisconsin |
| 68 | Edward H Schraeder | 4 | Son | — | Wisconsin |
| 69 | James A Schraeder | 3 | Son | — | Wisconsin |
| 70 | Charles J Meacham | 47 | Head | Mechanic | Wisconsin |
| 71 | Elizabeth Meacham | 46 | Wife | — | Wisconsin |
| 72 | Shirley Meacham | 19 | Daughter | — | Wisconsin |
| 73 | Rudolph Meacham | 17 | Son | — | Wisconsin |
| 74 | Kenneth Meacham | 14 | Son | — | Wisconsin |
| 75 | Bernard Lemuel | 29 | Head | Clerk | Wisconsin |
| 76 | Marie Lemuel | 24 | Wife | — | Wisconsin |
| 77 | Yvonne Lemuel | 5 | Daughter | — | Wisconsin |
| 78 | Gene Lemuel | 5 | Daughter | — | Wisconsin |
| 79 | Mary Anne Lemuel | 2 | Daughter | — | Wisconsin |
| 80 | Milton Frank | 61 | Head | Common Labor | Wisconsin |
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)