MD
Mary Daniel — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Daniel across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 2-person household.
Age 67
b. ~1873
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Daniel |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Worth Village |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Worth Village |
| Est. Birth Year | ~1873 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Daniel | Head | — | 67 | ~1873 |
| Louis Daniel | Son | — | 32 | ~1908 |
Census Appearances
1920
Cook, Illinois
Spouse, age 45
Cook, Illinois · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daniels |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Spouse, age 57
Cook, Illinois · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daniels |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 67
Cook-County, Illinois · implied b. ~1873 — 2 household members
| Surname | Daniel |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Worth Village |
| 1935 Residence (County) | Cook |
| Highest Grade | G 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 Daniel across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Daniel
Head · 1940 · age 67 · b. ~1873 · 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-t0627-00790-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawrence Frawley | 41 | Head | Timekeeper | Illinois |
| 2 | Edna Frawley | 36 | Wife | — | Illinois |
| 3 | John Frawley | 9 | Son | — | Illinois |
| 4 | Lawrence Frawley | 7 | Son | — | Illinois |
| 5 | Patricia Frawley | 4 | Daughter | — | Illinois |
| 6 | William Frawley | 2 | Son | — | Illinois |
| 7 | George Frawley | 1 | Son | — | Illinois |
| 8 | Minnie Hunt | 66 | Head | — | Illinois |
| 9 | Henry Walrick | 60 | Head | Hoist Operator | Illinois |
| 10 | Nellie Walrick | 57 | Wife | — | Illinois |
| 11 | Mary Daniel THIS PERSON | 67 | Head | — | Illinois |
| 12 | Louis Daniel | 32 | Son | Clerk | Illinois |
| 13 | Albert Rau | 48 | Head | Boiler Maker | Illinois |
| 14 | Minnie Rau | 49 | Wife | — | Illinois |
| 15 | Franklin Green | 25 | Son-in-law | Salesman | Illinois |
| 16 | Dorothy Green | 25 | Daughter | — | Illinois |
| 17 | Barry Green | 0 | Grandson | — | Illinois |
| 18 | Jackie Groe | 5 | Boarder | — | Michigan |
| 19 | Erwin Cure | 33 | Head | Foreman Mechanic | Illinois |
| 20 | Harriet Cure | 34 | Wife | Clerk | Illinois |
| 21 | Robert Wilson | 61 | Head | — | Illinois |
| 22 | Elna Wilson | 51 | Wife | — | Illinois |
| 23 | Edward Wilson | 23 | Son | Reporter | Illinois |
| 24 | Robert Wilson | 18 | Son | — | Illinois |
| 25 | Ida Lucas | 76 | Head | — | Illinois |
| 26 | George Lucas | 37 | Son | Photographer | Illinois |
| 27 | Kenneth Lucas | 31 | Son | Painter | Illinois |
| 28 | Perry Bishop | 62 | Brother | — | Illinois |
| 29 | Henry Stewart | 72 | Head | Buyer | Irish Free State |
| 30 | Anna Stewart | 63 | Wife | — | Sweden |
| 31 | Herbert Stewart | 28 | Son | Truck Driver | Illinois |
| 32 | Alice Stewart | 23 | Daughter | — | Michigan |
| 33 | Michael Roebuck | 52 | Head | Scale Planner | Illinois |
| 34 | Anna Roebuck | 52 | Wife | — | Illinois |
| 35 | Henry Rosenbaum | 53 | Head | Machinist | Illinois |
| 36 | Minnie Rosenbaum | 50 | Wife | — | Illinois |
| 37 | Henry Rosenbaum | 20 | Son | Apprentice Machinist | Illinois |
| 38 | Laura Rosenbaum | 11 | Daughter | — | Illinois |
| 39 | Edward Kasson | 60 | Head | Truck Driver Salesman | Illinois |
| 40 | Lottie Kasson | 54 | Wife | — | Illinois |
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)