HW
Helen Watson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Helen Watson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Typist |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Typist |
| Township / Ward | Chicago |
| Est. Birth Year | ~1919 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Charles Watson | Head | — | 61 | ~1879 |
| Helen Watson | Daughter | — | 21 | ~1919 |
| Margaret Watson | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Cook, Illinois
Daughter, age 1
Cook, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 12
Cook, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Hazel M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 21
Cook-County, Illinois · implied b. ~1919 — 3 household members
| Surname | Watson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Typist |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | C-1 |
| 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 Helen Watson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and father Charles Watson (~0.92 confidence) and father Harrison Watson (~0.92 confidence) and mother Anna Watson (~0.92 confidence) and mother Margaret Watson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Watson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Harrison Watson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Anna Watson
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Margaret Watson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Watson
Daughter · 1940 · age 21 · b. ~1919 · 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-t0627-00958-00072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Hempel | 50 | Wife | — | Illinois |
| 2 | Edwin Hempel | 25 | Son | Shipping Clerk | Illinois |
| 3 | Mildred Hempel | 20 | Daughter | Typist Clerk | Illinois |
| 4 | Charles Watson | 61 | Head | Plumbing Contractor | Canada-English |
| 5 | Margaret Watson | 61 | Wife | — | Illinois |
| 6 | Helen Watson THIS PERSON | 21 | Daughter | Typist | Illinois |
| 7 | William Horath | 35 | Head | Proprietor | Illinois |
| 8 | Mary Horath | 33 | Wife | — | Iowa |
| 9 | William J. Horath | 7 | Son | — | Illinois |
| 10 | George B. Horath | 4 | Son | — | Illinois |
| 11 | Mary Horath | 2 | Daughter | — | Illinois |
| 12 | Carl Berglund | 66 | Head | Salesman | Mississippi |
| 13 | Clara Berglund | 49 | Wife | Sales-Clerk | Illinois |
| 14 | Alfred Berglund | 26 | Son | Office Clerk | Ohio |
| 15 | Emil Melnick | 45 | Head | Prop. Garage | Russia |
| 16 | Anna Melnick | 36 | Wife | — | Austria |
| 17 | Richard Melnick | 14 | Son | — | Illinois |
| 18 | Emil W. Melnick | 6 | Son | — | Illinois |
| 19 | Gustave Schuler | 50 | Head | Maintenance | Iowa |
| 20 | Helen Schuler | 46 | Wife | — | Missouri |
| 21 | Thomas Elder | 47 | Head | Customs Inspector | Louisiana |
| 22 | Mary Elder | 40 | Wife | — | Illinois |
| 23 | Thomas J. Elder | 14 | Son | — | Illinois |
| 24 | Joan Elder | 12 | Daughter | — | Illinois |
| 25 | Susan Elder | 9 | Daughter | — | Illinois |
| 26 | Mary Lou Elder | 4 | Daughter | — | Illinois |
| 27 | Marjorie Elder | 1 | Daughter | — | Illinois |
| 28 | John Mcgowan | 46 | Head | Fire-Captain | Illinois |
| 29 | Anna Mcgowan | 45 | Wife | — | Mich. |
| 30 | Mary Mcgowan | 17 | Daughter | — | Illinois |
| 31 | John Mcgowan | 16 | Son | — | Illinois |
| 32 | Rose Ann Mcgowan | 10 | Daughter | — | Illinois |
| 33 | Patricia Mcgowan | 8 | Daughter | — | Illinois |
| 34 | Thomas Foy | 36 | Head | Asst. Receiving Clerk | Illinois |
| 35 | Agnes Foy | 33 | Wife | — | Illinois |
| 36 | Gerald J. Foy | 3 | Son | — | Illinois |
| 37 | Thomas F. Foy | 1 | Son | — | Illinois |
| 38 | Herman De La Leurs | 43 | Head | Const. Foreman | Holland |
| 39 | Elizabeth De La Leurs | 37 | Wife | — | Holland |
| 40 | Helen De La Leurs | 11 | Daughter | — | Illinois |
Pedigree Summary
Helen
Gen 1 · 5 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)