MS
Mary Schultz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Schultz across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Female
Spouse
Born: Lithuania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Schultz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Lithuania |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
| Township / Ward | Chicago |
| Est. Birth Year | ~1884 |
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 |
|---|---|---|---|---|
| Mary Urba | Daughter | — | 24 | ~1916 |
| Stanley Schultz | Head | — | 62 | ~1878 |
| William Schultz | Son | — | 19 | ~1921 |
| Mary Schultz | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Cook, Illinois
Spouse, age 32
Cook, Illinois · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scholtz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1930
Cook, Illinois
Spouse, age 45
Cook, Illinois · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schultz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 21 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read/Write | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1940
Cook-County, Illinois
Spouse, age 56
Cook-County, Illinois · implied b. ~1884 — 4 household members
| Surname | Schultz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Lithuania |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
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 Schultz 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 Schultz
Spouse · 1940 · age 56 · b. ~1884 · 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-t0627-00944-00268)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Muszynski | 39 | Wife | — | Illinois |
| 2 | Genevieve Muszynski | 18 | Daughter | General Office | Illinois |
| 3 | Lorraine Muszynski | 16 | Daughter | — | Illinois |
| 4 | Esther Muszynski | 14 | Daughter | — | Illinois |
| 5 | Susan Skorski | 64 | Head | — | Germany |
| 6 | Anna Skorski | 44 | Daughter | — | Illinois |
| 7 | Walter Skorski | 28 | Son | Addresser | Illinois |
| 8 | Adam Kotaras | 65 | Head | — | Poland |
| 9 | Mary Kotaras | 55 | Wife | — | Poland |
| 10 | Josephine Kotaras | 20 | Daughter | Inspector | Illinois |
| 11 | Joseph Franeck | 52 | Head | Carpenter | Lithuania |
| 12 | Peter Franeck | 21 | Son | Attendant | Illinois |
| 13 | Stanley Schultz | 62 | Head | Chipper | Lithuania |
| 14 | Mary Schultz THIS PERSON | 56 | Wife | — | Lithuania |
| 15 | William Schultz | 19 | Son | New Worker | Illinois |
| 16 | Mary Urba | 24 | Daughter | Tester | Illinois |
| 17 | Albin Vitkunen | 59 | Head | Janitor | Illinois |
| 18 | Amelia Vitkunen | 54 | Wife | — | Lithuania |
| 19 | Joseph Vitkunen | 21 | Son | Truck Helper | Illinois |
| 20 | Albin Ashman | 35 | Lodger | Delivery Boy | Illinois |
| 21 | Andrew Portela | 37 | Head | Spring Maker | Illinois |
| 22 | Sophie Portela | 31 | Wife | Checker | Illinois |
| 23 | Margaret Portela | 8 | Daughter | — | Illinois |
| 24 | Helen Okun | 57 | Mother-in-law | — | Illinois |
| 25 | Alfred Jocius | 37 | Head | Printer | Illinois |
| 26 | Mildred Jocius | 29 | Wife | — | Illinois |
| 27 | Robert Jocius | 9 | Son | — | Illinois |
| 28 | Jacqueline Jocius | 2 | Daughter | — | Illinois |
| 29 | Terrence Jocius | 1 | Son | — | Illinois |
| 30 | William Frame | 56 | Head | Laborer | Illinois |
| 31 | Vera Strodenski | 48 | Head | Waitress | Lithuania |
| 32 | Sanders Strodenski | 21 | Son | Bartender | Illinois |
| 33 | Silver Strodenski | 18 | Son | Messenger | Illinois |
| 34 | Betty Strodenski | 17 | Daughter | — | Illinois |
| 35 | Fanny Strodenski | 17 | Daughter | — | Illinois |
| 36 | Peter Pelen | 60 | Lodger | Watchman | Lithuania |
| 37 | Vincent Kiechis | 59 | Head | Janitor | Poland |
| 38 | Paulina Kiechis | 54 | Wife | — | Poland |
| 39 | Bertha Tabac | 52 | Head | — | Lithuania |
| 40 | Sam Tabac | 24 | Son | Shipping Clerk | 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)