IS
Irene Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Irene Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Jacob & William — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Smith |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Winnetka Village |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Music Teacher |
| Industry | Private practice |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Winnetka Village |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Irene | Age | Birth yr |
|---|---|---|---|---|
| Irene Smith | Daughter | — | 22 | ~1918 |
| Jacob Smith | Head | — | 38 | ~1902 |
| Zelda Bushness | Other | — | 25 | ~1915 |
| Arthur Smith | Son | — | 18 | ~1922 |
| Anna Smith | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| 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 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 22
Cook-County, Illinois · implied b. ~1918 — 5 household members
| Surname | Smith |
| Given Name | Irene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Winnetka Village |
| 1935 Residence (County) | Cook |
| Occupation | Music Teacher |
| Industry | Private practice |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Irene Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Caroline Smith (~0.92 confidence) and mother Emma Smith (~0.92 confidence) and mother Anna Smith (~0.92 confidence) and father Jacob Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Caroline Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Emma Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Anna Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Jacob Smith
b. ~1902
Source father
● Household
· direct · ~0.92
This person
Anchor record
Irene Smith
Daughter · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Arthur Smith
Sibling · 1940 · age 18
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-t0627-00783-00730)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nick D. Vleras | 47 | Head | Partner Proprietor | Greece |
| 2 | Theresa @ Vleras | 44 | Wife | — | Germany |
| 3 | Stanton @ Schumann | 35 | Head | Lawyer | Illinois |
| 4 | Marie Schumann | 33 | Wife | Bookkeeper Manager | Illinois |
| 5 | Viola Voltz | 35 | Head | Secretary | Illinois |
| 6 | Margaret @ Vaughan | 42 | Head | Teacher | Kentucky |
| 7 | Hazel Maurer | 34 | Head | Music Teacher | Ohio |
| 8 | Katherine Ashley | 35 | Partner | Librarian | U.S.A. |
| 9 | Catherine @ Kneeland | 57 | Head | — | Pennsylvania |
| 10 | Jane @ Kneeland | 20 | Daughter | Interior Decorator | Pennsylvania |
| 11 | Arnold Prucha | 31 | Head | Sanitarian | New York |
| 12 | Helen @ Prucha | 29 | Wife | — | Ohio |
| 13 | Martin Phelan | 31 | Head | Salesman | Illinois |
| 14 | Annette @ Phelan | 28 | Wife | Interior Decorator | New Jersey |
| 15 | Frank R. Woods | 40 | Head | Dentist | North Dakota |
| 16 | Helen @ Woods | 36 | Wife | — | Iowa |
| 17 | Agnes @ Spangler | 41 | Head | Teacher | Ohio |
| 18 | Louise M. @ Mohr | 42 | Head | Teacher | San Francisco |
| 19 | Pauline @ Klement | 50 | Head | Domestic Servant | Czechoslovakia |
| 20 | Joseph T. Imhoff | 38 | Lodger | Janitor | Canada English |
| 21 | Lillian @ Janney | 74 | Head | — | Minnesota |
| 22 | Florence Janney | 36 | Daughter | Teacher | Minnesota |
| 23 | Alice Nelson | 15 | Lodger | — | Wisconsin |
| 24 | Margery Nelson | 11 | Lodger | — | Wisconsin |
| 25 | John Cole | 29 | Head | Salesman | Illinois |
| 26 | Elizabeth @ Cole | 28 | Wife | — | Illinois |
| 27 | John Jr. Cole | 3 | Son | — | Illinois |
| 28 | Edith Cole | 68 | Mother | — | California |
| 29 | Jacob Smith | 38 | Head | Fireman | Illinois |
| 30 | Anna @ Smith | 53 | Wife | — | Wisconsin |
| 31 | Irene Smith THIS PERSON | 22 | Daughter | Music Teacher | Illinois |
| 32 | Arthur @ Smith | 18 | Son | — | Illinois |
| 33 | Zelda D. Bushness | 25 | Lodger | Operator | Illinois |
| 34 | Harry Hansen | 49 | Head | Sheet Metal Worker | Illinois |
| 35 | Esther @ Hansen | 44 | Wife | — | Illinois |
| 36 | Marshall Hansen | 23 | Son | Photographer | Illinois |
| 37 | Eric Nelson | 68 | Head | — | Sweden |
| 38 | Elizabeth @ Nelson | 57 | Wife | — | Norway |
| 39 | Aimer Nelson | 38 | Son | Deliveryman | Illinois |
| 40 | Roy V. Nelson | 35 | Head | Foreman | Illinois |
Pedigree Summary
Irene + 1 sibling
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)