EJ
Ella Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ella Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Ella |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Chicago |
| Est. Birth Year | ~1890 |
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 Ella | Age | Birth yr |
|---|---|---|---|---|
| Carl Johnson | Head | — | 51 | ~1889 |
| Richard Johnson | Son | — | 23 | ~1917 |
| Kenneth Johnson | Son | — | 20 | ~1920 |
| Ella Johnson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Cook, Illinois
Spouse, age 30
Cook, Illinois · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ella |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Sweden |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1915 |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Other, age 40
Cook, Illinois · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ella |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1906 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cook-County, Illinois
Spouse, age 50
Cook-County, Illinois · implied b. ~1890 — 4 household members
| Surname | Johnson |
| Given Name | Ella |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Ella Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ella Johnson
Spouse · 1940 · age 50 · b. ~1890 · 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
39 people indexed on this census page (nara:1940:m-t0627-00938-00829)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Warga | 13 | Son | — | Illinois |
| 42 | Josephine Warga | 11 | Son | — | Illinois |
| 43 | Andrew Jr Warga | 3 | Son | — | Illinois |
| 44 | Carl Johnson | 51 | Head | Driver | Sweden |
| 45 | Ella Johnson THIS PERSON | 50 | Wife | — | Sweden |
| 46 | Richard Johnson | 23 | Son | Clerk | Illinois |
| 47 | Kenneth Johnson | 20 | Son | Sheet Metal | Illinois |
| 49 | William Clifford | 51 | Head | Checker | Eire |
| 50 | Sara Clifford | 50 | Wife | — | Eire |
| 51 | Catherine Clifford | 16 | Daughter | — | Illinois |
| 52 | William Clifford | 15 | Son | — | Illinois |
| 53 | James Clifford | 13 | Son | — | Illinois |
| 54 | William Schramm | 50 | Head | Chief Clerk | Illinois |
| 55 | Astrid Schramm | 34 | Wife | — | Illinois |
| 56 | Marjorie Schramm | 6 | Daughter | — | Illinois |
| 57 | William Jr Schramm | 4 | Son | — | Illinois |
| 58 | Mary Mcglynn | 55 | Head | — | Eire |
| 59 | Della Nolan | 75 | Lodger | — | Eire |
| 60 | William Sullivan | 49 | Head | Police Officer | Eire |
| 61 | William Jr Sullivan | 20 | Son | — | Illinois |
| 62 | Eugene Sullivan | 18 | Son | — | Illinois |
| 63 | John Sullivan | 16 | Son | — | Illinois |
| 64 | Raymond Sullivan | 14 | Son | — | Illinois |
| 65 | Alice Tobin | 63 | Housekeeper | Housekeeper | Pennsylvania |
| 66 | Wilbur Kellery | 32 | Head | Laborer | Illinois |
| 67 | Vera Kellery | 18 | Wife | — | Illinois |
| 68 | Elleena Kellery | 0 | Daughter | — | Illinois |
| 69 | Alex Toth | 49 | Head | Welder | Hungary |
| 70 | Mary Toth | 42 | Wife | — | Hungary |
| 71 | Alex Jr Toth | 19 | Son | New Worker | Illinois |
| 72 | Elizabeth Toth | 17 | Daughter | — | Illinois |
| 73 | Irene Toth | 15 | Daughter | — | Illinois |
| 74 | Svend Bach | 29 | Head | Shipping Clerk | Denmark |
| 75 | Jenny Bach | 25 | Wife | — | Denmark |
| 76 | Thomas Bach | 2 | Son | — | Illinois |
| 77 | Alice Bach | 0 | Daughter | — | Illinois |
| 78 | Harold Olson | 36 | Head | Salesman Of Eggs | Illinois |
| 79 | Enid Olson | 31 | Wife | — | Illinois |
| 80 | Carol Olson | 9 | Daughter | — | Illinois |
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)