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Jean Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Jean Johnson across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 0
b. ~1930
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1930 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Jean | Age | Birth yr |
|---|---|---|---|---|
| Raymond Johnson | Son | — | 2 | ~1928 |
| Dorothy Johnson | Daughter | — | 5 | ~1925 |
| Willard Johnson | Son | — | 7 | ~1923 |
| Hazel Johnson | Spouse | — | 27 | ~1903 |
| Jean Johnson | Daughter | — | ~1930 | |
| Ray Johnson | Head | — | 30 | ~1900 |
Census Appearances
1930
Cook, Illinois
Daughter, age
Cook, Illinois · implied b. ~1930 — 6 household members
| Surname | Johnson |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 10
Cook-County, Illinois · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Joanne |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Class of Worker | 0 |
| Highest Grade | S 5 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Jean Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jean Johnson
Daughter · 1930 · age 0 · b. ~1930 · Illinois
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Sibling
Willard Johnson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Johnson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Johnson
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
35 people indexed on this census page (ia:1930:illinoiscensus00reel435:0320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Bonk | 24 | Head | Salesman | Illinois |
| 52 | James Bonk | 1 | Son | None | Pennsylvania |
| 53 | Frank Como | 32 | Head | Machinist | Mexico |
| 54 | Helen Como | 22 | Wife | None | Illinois |
| 55 | Gilbert Como | 1 | Son | None | Illinois |
| 56 | Norman Gauvreau | 35 | Head | Chauffeur | Illinois |
| 57 | Lucille Gauvreau | 25 | Wife | None | Illinois |
| 58 | Lucille Gauvreau | 3 | Daughter | None | Illinois |
| 59 | Charles Johnson | 70 | Head | Janitor | Illinois |
| 60 | Elizabeth Johnson | 61 | Wife | None | Germany |
| 61 | Carl Reuter | 57 | Lodger | Switch Board | Germany |
| 62 | Ray Johnson | 30 | Head | Laborer | Illinois |
| 63 | Hazel Johnson | 27 | Wife | None | Illinois |
| 64 | Willard Johnson | 7 | Son | None | Illinois |
| 65 | Dorothy Johnson | 5 | Daughter | None | Illinois |
| 66 | Raymond Johnson | 2 | Son | None | Illinois |
| 67 | Jean Johnson THIS PERSON | 0 | Daughter | None | Illinois |
| 68 | Theo Blaziah | 46 | Head | Janitor | Austria |
| 69 | Tanka Blaziah | 44 | Wife | None | Austria |
| 70 | Anton Herman | 62 | Head | Cement Worker | Austria |
| 71 | Rose Herman | 56 | Wife | None | Austria |
| 72 | Joseph Herman | 29 | Son | Chauffeur | Illinois |
| 73 | Frank Herman | 28 | Son | Cement Worker | Illinois |
| 74 | Rose Herman | 24 | Daughter | None | Illinois |
| 75 | William Herman | 19 | Son | Accountant | Illinois |
| 76 | Mildred Herman | 17 | Daughter | Calculatory | Illinois |
| 77 | Theofil Torulski | 62 | Head | Cabinet Maker | Poland |
| 78 | John Rynicki | 28 | Head | Utility Man | Poland |
| 79 | Helen Rynicki | 26 | Wife | None | Illinois |
| 80 | Doris Rynicki | 0 | Daughter | None | Illinois |
| 81 | Lorrain Purkey | 9 | Step daughter | None | Illinois |
| 83 | Bruno Storch | 27 | Head | Driver | Illinois |
| 84 | Frances Storch | 25 | Wife | None | Illinois |
| 85 | Frances Storch | 0 | Daughter | None | Illinois |
| 86 | Lorrain Purkey | 9 | Step daughter | None | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)