CJ
Caroline Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Caroline Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 76
b. ~1864
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Caroline O. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Chicago |
| Est. Birth Year | ~1864 |
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 Caroline | Age | Birth yr |
|---|---|---|---|---|
| Caroline Johnson | Head | — | 76 | ~1864 |
| Annette Friberg | Other | — | 62 | ~1878 |
| Ruth Johnson | Daughter | — | 46 | ~1894 |
Census Appearances
1920
Cook, Illinois
Spouse, age 55
Cook, Illinois · implied b. ~1865 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Caroline |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1894 |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Spouse, age 65
Cook, Illinois · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Caroline |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 28 |
| 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
Head, age 76
Cook-County, Illinois · implied b. ~1864 — 3 household members
| Surname | Johnson |
| Given Name | Caroline O. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| 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 Caroline 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
Caroline Johnson
Head · 1940 · age 76 · b. ~1864 · 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-t0627-01017-00435)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sven Johnson | 31 | Son | Acetylene Cutter | Sweden |
| 2 | Howard Feander | 45 | Head | Electrician | Illinois |
| 3 | Heddwig G. Feander | 45 | Wife | — | Illinois |
| 4 | Caroline O. Johnson THIS PERSON | 76 | Head | — | Sweden |
| 5 | Ruth Johnson | 46 | Daughter | Stenographer | Illinois |
| 6 | Annette Friberg | 62 | Sister | Housekeeper | Sweden |
| 7 | John Palliser | 33 | Head | Tool & Die Maker | England |
| 8 | Astrid Palliser | 32 | Wife | — | Sweden |
| 9 | Fred Struve | 50 | Head | Proprietor | England |
| 10 | Meta O. Struve | 58 | Wife | — | Illinois |
| 11 | Helene E. Struve | 73 | Head | — | Germany |
| 12 | William Levy | 35 | Head | Sales Clerk | Illinois |
| 13 | Ethel Levy | 32 | Wife | — | Illinois |
| 14 | Edward Levy | 8 | Son | — | Illinois |
| 15 | George Nelson | 52 | Head | Bookkeeper | Illinois |
| 16 | Hulda O. Nelson | 47 | Wife | — | Indiana |
| 17 | Muriel Nelson | 21 | Daughter | Laboratory Assistant | Kansas |
| 18 | Charles Nelson | 19 | Son | — | Oklahoma |
| 19 | Hallie Larimore | 66 | Mother in law | — | Indiana |
| 20 | John Thompson | 60 | Head | Tool-Maker | Scotland |
| 21 | Agnes O. Thompson | 54 | Wife | — | Scotland |
| 22 | John Jr. Thompson | 37 | Son | Watchmaker | Scotland |
| 23 | Bennie Thompson | 32 | Daughter in law | — | Iowa |
| 24 | Jill Ann Thompson | 2 | Grand-daughter | — | Illinois |
| 25 | Janet Smith | 24 | Niece | Stenographer | Scotland |
| 26 | Frank Sr. Nader | 58 | Lodger | Pharmacist | Illinois |
| 27 | Frank Jr. Nader | 25 | Lodger | — | Illinois |
| 28 | John D. Ehrenberg | 66 | Head | Lieutenant | Illinois |
| 29 | Della Ehrenberg | 58 | Wife | — | Illinois |
| 30 | Raymond Ehrenberg | 25 | Son | Shipping Clerk | Illinois |
| 31 | Nels Olson | 53 | Head | Bricklayer | Sweden |
| 32 | Marie Olson | 54 | Wife | — | Sweden |
| 33 | Lillian Kiefer | 29 | Daughter | Typist | Illinois |
| 34 | Barbara Kiefer | 7 | Granddaughter | — | Illinois |
| 35 | Sara O. Carlson | 59 | Head | School Teacher | Sweden |
| 36 | Roy Carlson | 27 | Son | C.P.A. Accountant | Iowa |
| 37 | Marguerite Carlson | 22 | Daughter | Office Worker | Wisconsin |
| 38 | J. Gunnar Peterson | 56 | Head | Accountant | Sweden |
| 39 | Esther O. Peterson | 51 | Wife | — | Illinois |
| 40 | Norman Peterson | 16 | Son | — | 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)