CJ
Clara Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kane-County, Illinois
Our Model Tree links this Clara Johnson across the 1920, 1930 and 1940 US Censuses in Kane-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 5-person household.
Age 65
b. ~1875
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kane-County, Illinois |
| Surname | Johnson |
| Given Name | Clara |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Campton Township |
| 1935 Residence (County) | Kane |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Campton Township |
| Est. Birth Year | ~1875 |
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 Clara | Age | Birth yr |
|---|---|---|---|---|
| Doris Johnson | Daughter | — | 26 | ~1914 |
| Charles Johnson | Head | — | 72 | ~1868 |
| Floyd Thomas | Other | — | 48 | ~1892 |
| Lloyd Johnson | Son | — | 36 | ~1904 |
| Clara Johnson | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Kane, Illinois
Spouse, age 47
Kane, Illinois · implied b. ~1873 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clara |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1891 |
| Naturalization Status | Naturalized |
| 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 |
| Birthplace (normalized) | sweden |
1930
Kane, Illinois
Spouse, age 56
Kane, Illinois · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clara |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Kane-County, Illinois
Spouse, age 65
Kane-County, Illinois · implied b. ~1875 — 5 household members
| Surname | Johnson |
| Given Name | Clara |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Campton Township |
| 1935 Residence (County) | Kane |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Clara Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Clara Johnson
Spouse · 1940 · age 65 · b. ~1875 · 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 — Kane-County, Illinois
Open full size
1940 US Federal Census — Kane-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00820-00842)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laurine Eliason | 4 | Daughter | — | Illinois |
| 42 | Gafield Larson | 57 | Step Father | Maintenance | Illinois |
| 43 | Lily May Larson | 65 | Step Mother | — | Iowa |
| 44 | Roy B. Johnson | 47 | Head | Farmer | Illinois |
| 45 | Gertrude E. Johnson | 48 | Wife | — | Illinois |
| 46 | Marvin S. Johnson | 20 | Son | Cutter | Illinois |
| 47 | Vern D. Johnson | 17 | Son | Farmer | Illinois |
| 48 | Mae Marion Johnson | 18 | Daughter | — | Illinois |
| 49 | Dale Johnson | 5 | Grandson | — | Illinois |
| 50 | John B. Petterson | 46 | Head | Farmer | Sweden |
| 51 | Frank Sippens | 64 | Hired Hand | Hired Hand | Belgium |
| 52 | Theodore Johnson | 34 | Head | Truck Driver | Illinois |
| 53 | Elsie Johnson | 37 | Wife | — | Lithuania |
| 54 | Marie Alexander | 7 | Step Daughter | — | Illinois |
| 55 | Helen Alexander | 13 | Step Daughter | — | Illinois |
| 56 | Ignatz Molansky | 47 | Cousin | — | Wisconsin |
| 57 | Paul Stevens | 34 | Head | Farmer | Illinois |
| 58 | Mary Stevens | 30 | Wife | — | Illinois |
| 59 | Charles Stevens | 10 | Son | — | Illinois |
| 60 | Charlotte Stevens | 8 | Daughter | — | Illinois |
| 61 | Phyllis Stevens | 7 | Daughter | — | Illinois |
| 62 | Ronald Stevens | 5 | Son | — | Illinois |
| 63 | Marion Stevens | 2 | Daughter | — | Illinois |
| 64 | John Jennings | 75 | Lodger | — | Illinois |
| 65 | Charles Johnson | 72 | Head | Farmer | Sweden |
| 66 | Clara Johnson THIS PERSON | 65 | Wife | — | Sweden |
| 67 | Lloyd Johnson | 36 | Son | Hired Hand | Illinois |
| 68 | Doris Johnson | 26 | Daughter | — | Illinois |
| 69 | Floyd Thomas | 48 | Hired Hand | Hired Hand | New York |
| 70 | Eric S. Johnson | 40 | Head | Farmer | Illinois |
| 71 | Helene Johnson | 35 | Wife | — | Illinois |
| 72 | Leonard Johnson | 7 | Son | — | Illinois |
| 73 | Philip Johnson | 5 | Son | — | Illinois |
| 74 | Ruth Johnson | 3 | Daughter | — | Illinois |
| 75 | Roy Pinegar | 21 | Hired Hand | Hired Hand | Texas |
| 76 | H. W. Hatch | 47 | Head | Salesman | Illinois |
| 77 | Hazel G. Hatch | 47 | Wife | — | Indiana |
| 78 | Warner Hatch | 22 | Son | — | Indiana |
| 79 | Jack Hatch | 20 | Son | — | Indiana |
| 80 | Gordon Hatch | 18 | Son | — | Indiana |
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)