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Mary Wagner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Wagner across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Spouse
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Wagner |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | First papers filed |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same home |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Wagner | Daughter | — | 3 | ~1937 |
| John Wagner | Head | — | 54 | ~1886 |
| Mary Wagner | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Cook, Illinois
Spouse, age 25
Cook, Illinois · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | May |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Poland |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Cook, Illinois
Other, age 35
Cook, Illinois · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1919 |
| Age at First Marriage | 19 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Cook-County, Illinois
Spouse, age 50
Cook-County, Illinois · implied b. ~1890 — 3 household members
| Surname | Wagner |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | First papers filed |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same home |
| 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 Wagner 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 Wagner
Spouse · 1940 · age 50 · b. ~1890 · Illinois
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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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00941-00338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bernice Jeffryowski | 18 | Daughter | New Worker | Illinois |
| 42 | Matthew Jeffryowski | 15 | Son | — | Illinois |
| 43 | Infant Jeffryowski | 0 | Son | — | Illinois |
| 44 | Stanley Langowski | 42 | Head | Baker | Poland |
| 45 | Mary Langowski | 32 | Wife | — | Indiana |
| 46 | Edwin Langowski | 11 | Son | — | Indiana |
| 47 | Eugene Langowski | 9 | Son | — | Illinois |
| 48 | Victoria Dombrowski | 74 | Head | — | Poland |
| 49 | Harry Pezat | 35 | Son-in-law | Railroad Eater | Illinois |
| 50 | Irene Pezat | 33 | Daughter | — | Illinois |
| 51 | Harry Pezat | 7 | Grandson | — | Illinois |
| 52 | Mary L. Pezat | 5 | Granddaughter | — | Illinois |
| 53 | Raymond N. Pawlak | 30 | Head | Welder | Illinois |
| 54 | Eleanor Pawlak | 31 | Wife | — | Illinois |
| 55 | Theresa Pawlak | 6 | Daughter | — | Illinois |
| 56 | Howard Pawlak | 1 | Son | — | Illinois |
| 57 | Walter Dombrowski | 41 | Head | Moulder | Illinois |
| 58 | Anna Dombrowski | 32 | Wife | — | Indiana |
| 59 | Eileen Dombrowski | 4 | Daughter | — | Illinois |
| 60 | John F. Wagner | 54 | Head | Crane Operator | Illinois |
| 61 | Mary H. Wagner THIS PERSON | 50 | Wife | — | Poland |
| 62 | Mary Rita Wagner | 3 | Daughter | — | Illinois |
| 63 | Benny Mizwicki | 29 | Head | Cinder Man | Illinois |
| 64 | Eugenia Mizwicki | 27 | Wife | — | Illinois |
| 65 | Ronald Mizwicki | 3 | Son | — | Illinois |
| 66 | Harry Mizwicki | 28 | Head | Stove Man | Illinois |
| 67 | Rose Mizwicki | 23 | Wife | — | Illinois |
| 68 | Kenneth Mizwicki | 0 | Son | — | Illinois |
| 69 | Stanley Volata | 39 | Head | Blacksmith Helper | Illinois |
| 70 | Lorraine Volata | 15 | Daughter | — | Illinois |
| 71 | Frank Volata | 58 | Brother | — | Illinois |
| 72 | John Volata | 57 | Brother | — | Illinois |
| 73 | Michael Volata | 46 | Brother | Laborer | Illinois |
| 74 | Walter Volata | 45 | Brother | Salesman | Illinois |
| 75 | Peter Volata | 48 | Brother | Laborer | Illinois |
| 76 | Lorraine Churche | 17 | Niece | — | Illinois |
| 77 | Shirley Churche | 16 | Niece | — | Illinois |
| 78 | Lawrence Kazmierski | 58 | Head | Moulder | Poland |
| 79 | Mary Kazmierski | 53 | Wife | — | Poland |
| 80 | Edmund Kazmierski | 26 | Son | Laborer | Illinois |
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)