LJ
Lillian Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lillian Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Chicago |
| Est. Birth Year | ~1889 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Gladys Johnson | Daughter | — | 21 | ~1919 |
| Irene Johnson | Daughter | — | 17 | ~1923 |
| Albert Johnson | Head | — | 52 | ~1888 |
| Lillian Johnson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Cook, Illinois
Spouse, age 31
Cook, Illinois · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1907 |
| 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 | 1914 |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Other, age 42
Cook, Illinois · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lillian A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| 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 51
Cook-County, Illinois · implied b. ~1889 — 4 household members
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 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 Lillian 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
Lillian Johnson
Spouse · 1940 · age 51 · b. ~1889 · 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
40 people indexed on this census page (nara:1940:m-t0627-00981-00620)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Hayes | 45 | Wife | — | England |
| 42 | Albert Tibbetts | 26 | Stepson | — | Illinois |
| 43 | Stephen Cisz | 33 | Head | Draftsman | Slovakia |
| 44 | Josephine Cisz | 32 | Wife | Machinist | Illinois |
| 45 | Rosemary Cisz | 7 | Daughter | — | Illinois |
| 46 | Jovita Cisz | 2 | Daughter | — | Illinois |
| 47 | Albert Johnson | 52 | Head | Milkman | Sweden |
| 48 | Lillian Johnson THIS PERSON | 51 | Wife | — | Sweden |
| 49 | Gladys Johnson | 21 | Daughter | Stenographer | Illinois |
| 50 | Irene Johnson | 17 | Daughter | — | Illinois |
| 51 | Herbert Holm | 27 | Head | Dentist | Indiana |
| 52 | Marie O. Holm | 28 | Wife | — | Indiana |
| 53 | Myra A. Holm | 0 | Daughter | — | Illinois |
| 54 | Richard J. Mally | 62 | Head | — | New York State |
| 55 | Bertha Mally | 58 | Wife | — | Illinois |
| 56 | Mary Mally | 21 | Daughter | Stenographer | Illinois |
| 57 | Lucille Klunk | 29 | Daughter | Stenographer | Illinois |
| 58 | Herbert F. Klunk | 30 | Son-in-law | Interior Decorator | Illinois |
| 59 | Omer Basinger | 43 | Head | Shipping Clerk | Arkansas |
| 60 | Louella Basinger | 30 | Wife | — | Illinois |
| 61 | Marilyn Basinger | 9 | Daughter | — | Illinois |
| 62 | Anita Basinger | 2 | Daughter | — | Illinois |
| 63 | Theodore Traegerau | 76 | Head | — | Germany |
| 64 | Clara Traegerau | 56 | Wife | — | Illinois |
| 65 | John Donovan | 55 | Lodger | — | New York |
| 66 | Stanley Thompson | 26 | Head | Ticket Seller Helper | Illinois |
| 67 | Ellen Thompson | 22 | Wife | Laborer | Illinois |
| 68 | Elaine Thompson | 3 | Daughter | — | Illinois |
| 69 | William A. Barrett | 75 | Head | Plumber | Missouri |
| 70 | Helen Barrett | 74 | Wife | — | Iowa |
| 71 | Eddie Hulse | 35 | Lodger | Kitchen Helper | Missouri |
| 72 | Harold Pennema | 48 | Head | Salesman | Illinois |
| 73 | Rae Pennema | 40 | Wife | — | Illinois |
| 74 | Harold Jr. Pennema | 20 | Son | Inventory | Illinois |
| 75 | Carrie Didrickson | 70 | Mother-in-law | — | Norway |
| 76 | Fred Hendricks | 35 | Head | Inspector | Illinois |
| 77 | Bill Hendricks | 36 | Brother | Truck Driver | Illinois |
| 78 | Robert W. Bongartz | 50 | Head | Stationary Engineer | Illinois |
| 79 | Emma Bongartz | 51 | Wife | — | Illinois |
| 80 | John Markowski | 40 | Head | Catalogue Compiler | 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)