LJ
Lilly Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lilly Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Lilly |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1895 |
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 Lilly | Age | Birth yr |
|---|---|---|---|---|
| Betty Johnson | Daughter | — | 10 | ~1930 |
| John Johnson | Head | — | 48 | ~1892 |
| Lilly Johnson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Cook, Illinois
Other, age 26
Cook, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lillie |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Other, age 34
Cook, Illinois · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lilly |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 20 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cook-County, Illinois
Spouse, age 45
Cook-County, Illinois · implied b. ~1895 — 3 household members
| Surname | Johnson |
| Given Name | Lilly |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Highest Grade | 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 Lilly Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lilly Johnson
Spouse · 1940 · age 45 · b. ~1895 · 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-t0627-00999-00603)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rudolph Browerhard | 15 | Son | — | Germany |
| 2 | Gertrude Bangholder|Bangholter | 79 | Head | — | Germany |
| 3 | Paul Rupprecht | 31 | Head | Pressman | Germany |
| 4 | Johanna Rupprecht | 29 | Wife | — | Germany |
| 5 | Paul Jr Rupprecht | 1 | Son | — | Illinois |
| 6 | Cecelia Rupprecht | 5 | Daughter | — | Illinois |
| 7 | Alfred Hermann | 37 | Head | Adjuster | Illinois |
| 8 | Myrtle Hermann | 34 | Wife | — | Illinois |
| 9 | Norman Hermann | 10 | Son | — | Illinois |
| 10 | Anna Weise | 63 | Mother in law | — | Illinois |
| 11 | John A Lee | 47 | Head | Chemist | Illinois |
| 12 | Maryann Lee | 35 | Wife | Assembler | Illinois |
| 13 | John Rupprecht | 60 | Head | — | Germany |
| 14 | Josephine Rupprecht | 59 | Wife | — | Germany |
| 15 | Paul A Busch | 38 | Head | Chauffeur | Illinois |
| 16 | Gertrude Busch | 36 | Wife | — | Illinois |
| 17 | Lillian Green | 49 | Head | — | Illinois |
| 18 | Donald Green | 21 | Son | Chauffeur | Wisconsin |
| 19 | June Green | 19 | Daughter | Comptometer Operator | Wisconsin |
| 20 | Jack Green | 15 | Son | — | Wisconsin |
| 21 | Robert Green | 14 | Son | — | Indiana |
| 22 | Virginia Green | 13 | Daughter | — | Iowa |
| 23 | Nora Green | 11 | Daughter | — | Illinois |
| 24 | Peggy Green | 10 | Daughter | — | Illinois |
| 25 | Paul Mayer | 33 | Head | Carpenter | Illinois |
| 26 | Grace Mayer | 28 | Wife | Bookkeeper | Illinois |
| 27 | George Ostensen | 42 | Head | Laborer | Sweden |
| 28 | Hilda Ostensen | 41 | Wife | — | Sweden |
| 29 | Elizabeth Ostensen | 4 | Daughter | — | Illinois |
| 30 | William Wing | 52 | Head | Title Clerk | Michigan |
| 31 | Olga Wing | 50 | Wife | — | Illinois |
| 32 | Hermine Wittman | 70 | Mother in law | — | Germany |
| 33 | Louis Koppelic | 58 | Head | — | Czechoslovakia |
| 34 | Elizabeth Koppelic | 55 | Wife | Janitress | Czechoslovakia |
| 35 | Eleanore Koppelic | 29 | Daughter | Assembler | Illinois |
| 36 | John Johnson | 48 | Head | Polisher | Sweden |
| 37 | Lilly Johnson THIS PERSON | 45 | Wife | — | Sweden |
| 38 | Betty Johnson | 10 | Daughter | — | Illinois |
| 39 | Hugh Howison | 40 | Head | Painter | Illinois |
| 40 | Marie Howison | 50 | Wife | — | Pennsylvania |
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)