LJ
Lois Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Lois Johnson across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 10-person household.
Age 14
b. ~1916
Female
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Son |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1916 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Johnson | Daughter | — | 3 | ~1927 |
| Dorothy Johnson | Daughter | — | 5 | ~1925 |
| Bernice Johnson | Daughter | — | 15 | ~1915 |
| Lydia Johnson | Daughter | — | 9 | ~1921 |
| Frank Johnson | Head | — | 37 | ~1893 |
| Honoria Johnson | Other | — | 35 | ~1895 |
| Frank Johnson | Son | — | 8 | ~1922 |
| James Johnson | Son | — | 7 | ~1923 |
| Lois Johnson | Son | — | 14 | ~1916 |
| John Johnson | Son | — | 12 | ~1918 |
Census Appearances
1920
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lois E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 10 household members
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Son |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Lois Johnson across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Johnson
Son · 1930 · age 14 · b. ~1916 · Illinois
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Sibling
Frank Johnson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Johnson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James 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
John Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Johnson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydia Johnson
Sibling · 1930 · age 9
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
18 people indexed on this census page (ia:1930:illinoiscensus00reel429:0568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Johnson | 37 | Head | Sheer Helper | Alabama |
| 52 | Honoria Johnson | 35 | Wife-H | None | Kentucky |
| 53 | Bernice Johnson | 15 | Daughter | None | Illinois |
| 54 | Lois Johnson THIS PERSON | 14 | Son | None | Illinois |
| 55 | John Johnson | 12 | Son | None | Illinois |
| 56 | Lydia Johnson | 9 | Daughter | None | Illinois |
| 57 | Frank Johnson | 8 | Son | None | Illinois |
| 58 | James Johnson | 7 | Son | None | Illinois |
| 59 | Dorothy Johnson | 5 | Daughter | None | Illinois |
| 60 | Geraldine Johnson | 3 | Daughter | None | Illinois |
| 61 | Daniel Stark | 31 | Head | Orderly | Kentucky |
| 62 | M. Rosie Stark | 31 | Wife-H | None | Louisiana |
| 63 | Buford Kirkwood | 45 | Head | Janitor | Mississippi |
| 64 | Birdie Kirkwood | 39 | Wife-H | None | Mississippi |
| 65 | Gladys Kirkwood | 21 | Daughter | Maid | Mississippi |
| 66 | Arthur Kirkwood | 18 | Son | Presser | Mississippi |
| 67 | James Kirkwood | 17 | Son | None | Mississippi |
| 68 | Mildred Kirkwood | 14 | Daughter | None | Mississippi |
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)