MD
Mary Daniels — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Daniels across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Walter & Anna — first a daughter (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Daniels |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Presser |
| Industry | Retail Cleaner & Dyer |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 780 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Presser |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1915 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Caroline Daniels | Daughter | — | 20 | ~1920 |
| Mary Daniels | Daughter | — | 25 | ~1915 |
| Thomas Daniels | Head | — | 48 | ~1892 |
| Thomas Daniels | Son | — | 15 | ~1925 |
| Chester Daniels | Son | — | 17 | ~1923 |
| Antoinette Daniels | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Cook, Illinois
Daughter, age 5
Cook, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daniels |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Mother Tongue | German |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 15
Cook, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daniels |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 25
Cook-County, Illinois · implied b. ~1915 — 6 household members
| Surname | Daniels |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Occupation | Presser |
| Industry | Retail Cleaner & Dyer |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 780 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Daniels across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Daniels (~0.92 confidence) and mother Anna Daniels (~0.92 confidence) and mother Anna Daniels (~0.92 confidence) and mother Antoinette Daniels (~0.92 confidence) and father Thomas Daniels (~0.92 confidence) and father Walter Daniels (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Daniels
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Daniels
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Anna Daniels
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Antoinette Daniels
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Thomas Daniels
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Walter Daniels
b. ~1900
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Daniels
Daughter · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Thomas Daniels
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caroline Daniels
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Daniels
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00941-00145)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladys Krusch | 34 | Wife | H | Illinois |
| 2 | Fred Krusch | 11 | Son | — | Illinois |
| 3 | Kenneth Krusch | 6 | Son | — | Illinois |
| 4 | Frank Jr. Krusch | 3 | Son | 0 | Illinois |
| 5 | Joseph Dybroski | 54 | Head | Laborer | Poland |
| 6 | Helen Dybroski | 47 | Wife | H | Poland |
| 7 | Walter Dybroski | 21 | Son | Laborer | Illinois |
| 8 | Chester Dybroski | 19 | Son | Packer | Illinois |
| 9 | Edward Dybroski | 17 | Son | New Worker | Illinois |
| 10 | Florence Dybroski | 16 | Daughter | — | Illinois |
| 11 | Albin Dybroski | 14 | Son | — | Illinois |
| 12 | Daniel Dybroski | 11 | Son | — | Illinois |
| 13 | Esther Dybroski | 6 | Daughter | — | Illinois |
| 14 | Joseph Sarbieski | 57 | Head | Car Repairer | Poland |
| 15 | Rose Sarbieski | 56 | Wife | H | Poland |
| 16 | Stanley Sarbieski | 21 | Son | New Worker | Illinois |
| 17 | Dolores Sarbieski | 10 | Daughter | — | Illinois |
| 18 | Thomas Daniels | 48 | Head | Laborer | Poland |
| 19 | Antoinette Daniels | 48 | Wife | H | Illinois |
| 20 | Mary Daniels THIS PERSON | 25 | Daughter | Presser | Illinois |
| 21 | Caroline Daniels | 20 | Daughter | Clothes Folder | Illinois |
| 22 | Chester Daniels | 17 | Son | New Worker | Illinois |
| 23 | Thomas Jr. Daniels | 15 | Son | New Worker | Illinois |
| 24 | Frank Wysocki | 45 | Head | Shipper | Illinois |
| 25 | Helen Wysocki | 45 | Wife | — | Illinois |
| 26 | Irving Wysocki | 20 | Son | — | Illinois |
| 27 | Norbert Wysocki | 14 | Son | — | Illinois |
| 28 | John Cuso | 55 | Head | Watchman | Austria |
| 29 | Jennie Cuso | 41 | Wife | H | Austria |
| 30 | Leonia Cuso | 24 | Son | Machinist Helper | Illinois |
| 31 | Joseph Cuso | 21 | Son | Burner Helper | Illinois |
| 32 | Mary Cuso | 17 | Daughter | — | Illinois |
| 33 | Anthony Mayszak | 38 | Head | Smith Work Foreman | Illinois |
| 34 | Frances Mayszak | 38 | Wife | H | Illinois |
| 35 | Dolores Mayszak | 15 | Daughter | — | Illinois |
| 36 | Richard Mayszak | 11 | Son | — | Illinois |
| 37 | Frank Wasik | 49 | Head | Catcher | Poland |
| 38 | Anna Wasik | 50 | Wife | H | Poland |
| 39 | Walter Wasik | 23 | Son | Laborer | Illinois |
| 40 | Theodore Wasik | 17 | Son | New Worker | Illinois |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)