MC
Mary Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Michigan
Our Model Tree links this Mary Cook across the 1920, 1930 and 1940 US Censuses in Jackson-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Female
Spouse
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Michigan |
| Surname | Cook |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Jackson city |
| 1935 Residence (County) | JACKSON |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Upholsterer |
| Industry | Seating Co |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 475 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Upholsterer |
| Township / Ward | Jackson City |
| Est. Birth Year | ~1895 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bernadine Cook | Daughter | — | 14 | ~1926 |
| Stasia Cook | Daughter | — | 23 | ~1917 |
| Joseph Cook | Head | — | 50 | ~1890 |
| Mary Cook | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Jackson, Michigan
Spouse, age 24
Jackson, Michigan · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Jackson, Michigan
Spouse, age 38
Jackson, Michigan · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 22 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Polisher |
| Industry | Silver Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Jackson-County, Michigan
Spouse, age 45
Jackson-County, Michigan · implied b. ~1895 — 4 household members
| Surname | Cook |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Jackson city |
| 1935 Residence (County) | JACKSON |
| Naturalization Status | Naturalized |
| Occupation | Upholsterer |
| Industry | Seating Co |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 475 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 Mary Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cook
Spouse · 1940 · age 45 · b. ~1895 · Michigan
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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 — Jackson-County, Michigan
Open full size
1940 US Federal Census — Jackson-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01767-00515)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | C. Edward Husker | 56 | Head | Line Foreman | Michigan |
| 42 | Nennie Husker | 46 | Wife | — | Ohio |
| 43 | P. Stanley Severa | 43 | Head | Electrical Sales Man | Poland |
| 44 | H. Angela Severa | 43 | Wife | — | Poland |
| 45 | M. Loretta Severa | 21 | Daughter | Assembler | Michigan |
| 46 | R. Dorothy Severa | 19 | Daughter | New Worker | Michigan |
| 47 | A. Harriet Severa | 11 | Daughter | — | Michigan |
| 48 | S. Alfred Severa | 6 | Son | — | Michigan |
| 49 | C. John Kapinski | 29 | Head | Crane Operator | Michigan |
| 50 | L. Nora Kapinski | 28 | Wife | — | Illinois |
| 51 | B. John Kapinski | 4 | Son | — | Michigan |
| 52 | C. Judith Kapinski | 3 | Daughter | — | Michigan |
| 53 | D. James Kapinski | 1 | Son | — | Michigan |
| 54 | A. Susan Wellman | 64 | Mother in law | — | Michigan |
| 55 | Ray Karson | 61 | Head | Pensioned | Sweden |
| 56 | M. Della Karson | 65 | Wife | — | Missouri |
| 57 | S. Guna Butekunst | 50 | Head | Machine Operator | Michigan |
| 58 | K. Anna Butekunst | 51 | Sister | — | Michigan |
| 59 | S. Vincent Dragonetti | 34 | Head | — | Italy |
| 60 | G. Beulah Dragonetti | 25 | Wife | Shoe Repairer | Michigan |
| 61 | A. Theresa Dragonetti | 2 | Daughter | — | Michigan |
| 62 | V. John Dragonetti | 0 | Son | — | Michigan |
| 63 | J. Louis Dragonetti | 44 | Head | Shoe Repairer | Italy |
| 64 | A. Francis Dragonetti | 34 | Wife | — | Ohio |
| 65 | M. Theresa Dragonetti | 19 | Daughter | — | Michigan |
| 66 | E. Blanch Dragonetti | 14 | Daughter | — | Michigan |
| 67 | P. Angeline Dragonetti | 2 | Daughter | — | Michigan |
| 68 | S. Robert Brookie | 53 | Head | Inst | Michigan |
| 69 | C. Alma Brookie | 48 | Wife | — | Ohio |
| 70 | R. Erwin Brookie | 21 | Son | — | Michigan |
| 71 | F. Paul Brookie | 13 | Son | — | Michigan |
| 72 | B. Ruth Brookie | 11 | Daughter | — | Michigan |
| 73 | John Mccanes | 51 | Head | Tool Checker | Lithuania |
| 74 | Mary Mccanes | 56 | Wife | — | Lithuania |
| 75 | Joseph Cook | 50 | Head | — | Lithuania |
| 76 | Mary Cook THIS PERSON | 45 | Wife | Upholsterer | Poland |
| 77 | Stasia Cook | 23 | Daughter | Sewing Machine Operator | Michigan |
| 78 | Bernadine Cook | 14 | Daughter | — | Michigan |
| 79 | C. Vernon Maxwell | 29 | Head | Repair Carpenter | Michigan |
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)