MC
Mary Chase — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Chase across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 4-person household.
Age 58
b. ~1882
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Alien |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1882 |
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 |
|---|---|---|---|---|
| Adelle Chase | Daughter | — | 26 | ~1914 |
| Nathan Chase | Head | — | 58 | ~1882 |
| Mary Chase | Spouse | — | 58 | ~1882 |
| Edward Chase | Son | — | 29 | ~1911 |
Census Appearances
1920
Cook, Illinois
Spouse, age 35
Cook, Illinois · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Matty |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Jewish |
| Home Owned/Rented | 67 |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Cook, Illinois
Spouse, age 45
Cook, Illinois · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1919 |
| Age at First Marriage | 25 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Clerk |
| Industry | Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Cook-County, Illinois
Spouse, age 58
Cook-County, Illinois · implied b. ~1882 — 4 household members
| Surname | Chase |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Alien |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Chase 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 Chase
Spouse · 1940 · age 58 · b. ~1882 · Illinois
★ You are viewing this record
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-t0627-00983-00488)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Ruttenberg | 16 | Son | — | Illinois |
| 2 | Morris Schaffer | 50 | Head | Common Laborer | Poland |
| 3 | Joseph A Frankenstein | 68 | Head | — | Rumania |
| 4 | Yoch Frankenstein | 58 | Wife | — | Rumania |
| 5 | Rose Nemirov | 45 | Lodger | Typer | Russia |
| 6 | Julius Nemirov | 14 | Lodger | — | Illinois |
| 7 | Morris Zadhoff | 69 | Head | — | Russia |
| 8 | Mary Zadhoff | 57 | Wife | — | Russia |
| 9 | Louis Lipovitz | 77 | Head | — | Russia |
| 10 | Fanny Lipovitz | 77 | Wife | — | Russia |
| 11 | Samuel Kastrol | 36 | Son-in-law | Salesman | Russia |
| 12 | Blady Kastrol | 36 | Daughter | — | Russia |
| 13 | Della Kastrol | 13 | Grand daughter | — | Illinois |
| 14 | Jerome Kastrol | 5 | Grand son | — | Illinois |
| 15 | Jack Kastrol | 5 | Grand son | — | Illinois |
| 16 | Nathan Chase | 58 | Head | Tailor | Russia |
| 17 | Mary Chase THIS PERSON | 58 | Wife | — | Russia |
| 18 | Edward Chase | 29 | Son | Salesman | Russia |
| 19 | Adelle Chase | 26 | Daughter | Typist | D. C. |
| 20 | Morris Belleck | 53 | Head | Plasterer | Russia |
| 21 | Emma Belleck | 49 | Wife | — | Russia |
| 22 | Anna Belleck | 25 | Daughter | Manicure | Illinois |
| 23 | Esther Belleck | 18 | Daughter | Typist | Illinois |
| 24 | Peter Zielen | 54 | Head | Mechanic | Poland |
| 25 | Stephanie Zielen | 45 | Wife | — | Poland |
| 26 | Harriet Zielen | 21 | Daughter | Floor Work | Illinois |
| 27 | Celia Zielen | 8 | Daughter | — | Illinois |
| 28 | Eugene Zielen | 5 | Son | — | Illinois |
| 29 | Vacant Line | None | — | — | — |
| 30 | Aaron Miller | 58 | Head | Baker | Poland |
| 31 | Eva Miller | 55 | Wife | Saleslady | Poland |
| 32 | Henry Miller | 19 | Son | — | Illinois |
| 33 | Sarah Miller | 55 | Sister-in-law | — | Lithuania |
| 34 | Max Horowitz | 60 | Head | Vegetable Peddler | Austria |
| 35 | Charlotte Horowitz | 55 | Wife | — | Austria |
| 36 | Sigmund Horowitz | 33 | Son | Meter Reader | Austria |
| 37 | Sol Horowitz | 24 | Son | Packer | Illinois |
| 38 | Albert Horowitz | 19 | Son | Salesman | Illinois |
| 39 | Julius Horowitz | 15 | Son | — | Illinois |
| 40 | Frank Ulepene | 36 | Head | Bakelite Molding | Canada-French |
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)