EJ
Eleanor Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Eleanor Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Ernest & Frank — first a daughter (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Eleanor |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Housekeeper |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1911 |
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 Eleanor | Age | Birth yr |
|---|---|---|---|---|
| Ernest Johnson | Head | — | 64 | ~1876 |
| Helen Johnson | Daughter | — | 21 | ~1919 |
| Eleanor Johnson | Daughter | — | 29 | ~1911 |
| Clara Johnson | Other | — | 44 | ~1896 |
Census Appearances
1920
Cook, Illinois
Daughter, age 8
Cook, Illinois · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Eleanor S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 19
Cook, Illinois · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Eleanor |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Wholesale Drug |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 29
Cook-County, Illinois · implied b. ~1911 — 4 household members
| Surname | Johnson |
| Given Name | Eleanor |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Housekeeper |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| 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 Eleanor Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Johnson (~0.92 confidence) and father Frank Johnson (~0.92 confidence) and mother Hannah Johnson (~0.92 confidence) and father Oscar Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Frank Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Hannah Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Oscar Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Eleanor Johnson
Daughter · 1940 · age 29 · b. ~1911 · Illinois
★ You are viewing this record
Sibling
Helen Johnson
Sibling · 1940 · age 21
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-t0627-00938-00813)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eileen O'Connor | 30 | Wife | — | Eire |
| 42 | Ernest Johnson | 64 | Head | Engineer | Sweden |
| 43 | Eleanor Johnson THIS PERSON | 29 | Daughter | Housekeeper | Illinois |
| 44 | Helen Johnson | 21 | Daughter | Binder | Illinois |
| 45 | Clara Johnson | 44 | Housekeeper | Housekeeper | Illinois |
| 46 | George Wheat | 74 | Head | — | Michigan |
| 47 | Elizabeth Wheat | 78 | Wife | — | Michigan |
| 48 | Stephen Stirzenberger | 58 | Head | Barber | Hungary |
| 49 | Anna Stirzenberger | 61 | Wife | — | Hungary |
| 50 | Stephen Jr. Stirzenberger | 24 | Son | Laborer | Illinois |
| 51 | Charles Farrell | 25 | Head | Laborer | Illinois |
| 52 | Velma Farrell | 20 | Wife | — | Illinois |
| 53 | William Mcmahon | 36 | Head | Engineer | Illinois |
| 54 | Norine Mcmahon | 31 | Wife | — | Illinois |
| 55 | William Jr. Mcmahon | 10 | Son | — | Illinois |
| 56 | Robert Mcmahon | 8 | Son | — | Illinois |
| 57 | Norine Mcmahon | 3 | Daughter | — | Illinois |
| 58 | Ernest Edmondson | 37 | Head | Machinist | England |
| 59 | Eleanor Edmondson | 36 | Wife | — | Illinois |
| 60 | Barbara Edmondson | 3 | Daughter | — | Illinois |
| 61 | Eleanor Saunder | 69 | Mother | — | England |
| 62 | Joseph Upake | 58 | Head | — | Poland |
| 63 | Gussie Upake | 56 | Wife | — | Poland |
| 64 | Joseph Jr. Upake | 38 | Son | Laborer | Illinois |
| 65 | Charles Nugent | 36 | Head | Oiler | Ohio |
| 66 | Mary Nugent | 34 | Wife | — | Illinois |
| 67 | Jacqueline Nugent | 8 | Daughter | — | Illinois |
| 68 | Nahlon Nugent | 6 | Son | — | Illinois |
| 69 | Carol Nugent | 2 | Daughter | — | Illinois |
| 70 | James Fortenberry | 34 | Head | Carpenter | Kentucky |
| 71 | Muriel Fortenberry | 34 | Wife | — | Kentucky |
| 72 | Robert Fortenberry | 16 | Son | — | Illinois |
| 73 | Christina Fortenberry | 14 | Daughter | — | Illinois |
| 74 | Joseph Kartuska | 23 | Head | Scalper | Illinois |
| 75 | Clara Kartuska | 21 | Wife | — | Illinois |
| 76 | Donald Nesci | 31 | Head | Car Cleaner | Italy |
| 77 | Eunice Nesci | 34 | Wife | — | Missouri |
| 78 | Norma Marrett | 17 | Daughter | Clerk | Missouri |
| 79 | John Douglas | 57 | Head | Motorman | Ireland |
| 80 | Mary Douglas | 55 | Wife | — | Eire |
Pedigree Summary
Eleanor + 1 sibling
Gen 1 · 4 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)