EJ
Eugene Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Eugene Johnson across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Victor & Victor — first a son (b.~1907), then head of a 4-person household.
Age 23
b. ~1907
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Steam Railroad car factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Office Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Theodora Johnson | Daughter | — | 21 | ~1909 |
| Victor Johnson | Head | — | 64 | ~1866 |
| Eugene Johnson | Son | — | 23 | ~1907 |
| Amanda Johnson | Spouse | — | 59 | ~1871 |
Census Appearances
1910
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1907 — 4 household members
| Surname | Johnson |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Office Clerk |
| Industry | Steam Railroad car factory |
| Class of Worker | W |
| 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 Eugene Johnson across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Victor Johnson (~0.92 confidence) and father Victor Johnson (~0.92 confidence) and mother Amanda Johnson (~0.92 confidence) and mother Amanda Johnson (~0.92 confidence) and father Christ Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Victor Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Victor Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Amanda Johnson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Amanda Johnson
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Christ Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Johnson
Son · 1930 · age 23 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
Theodora Johnson
Sibling · 1930 · age 21
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
50 people indexed on this census page (ia:1930:illinoiscensus00reel432:1138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anna E Doerr | 54 | Wife | — | England |
| 52 | Andrew G Uram | 38 | Head | Foreman | Pennsylvania |
| 53 | Pauline R Uram | 31 | Wife | — | Illinois |
| 54 | Richard Uram | 6 | Son | — | Illinois |
| 55 | Donald Uram | 1 | Son | — | Illinois |
| 56 | Eugene Uram | 16 | Nephew | — | Illinois |
| 57 | Leonard Uram | 13 | Nephew | — | Illinois |
| 58 | Michael Krolak | 66 | Head | Laborer | Poland German |
| 59 | Katherine Krolak | 64 | Wife | — | Poland German |
| 60 | Stanley F Krolak | 19 | Son | Painter | Illinois |
| 61 | Frank Krolak | 35 | Son | Painter | Illinois |
| 62 | Sophie Krolak | 23 | Wife | — | Poland German |
| 63 | Doris Krolak | 1 | Daughter | — | Illinois |
| 64 | Emil G Lantz | 28 | Head | Wood Machinist | Illinois |
| 65 | Matilda Lantz | 66 | Mother | — | Sweden |
| 66 | Ruby E Lantz | 23 | Sister | Stenographer | Illinois |
| 67 | John A Hughes | 37 | Head | Stock Man | Wales |
| 68 | Elizabeth J Hughes | 29 | Wife | — | England |
| 69 | Mary G Hughes | 8 | Daughter | — | Illinois |
| 70 | Irene G Hughes | 7 | Daughter | — | Illinois |
| 71 | Phyllis Hughes | 5 | Daughter | — | Illinois |
| 72 | Francis W Merrill | 32 | Head | Post Office Clerk | Illinois |
| 73 | Gertrude F Merrill | 33 | Wife | — | Illinois |
| 74 | Wayne F Merrill | 2 | Son | — | Illinois |
| 75 | Charles Biehl | 23 | Brother-in-law | Carpenter | Illinois |
| 76 | John G Biehl | 21 | Head | Laborer | Tennessee |
| 77 | Marie Biehl | 18 | Wife | — | Ohio |
| 78 | Robert Biehl | 0 | Son | — | Illinois |
| 79 | Victor Johnson | 64 | Head | Carpenter | Sweden |
| 80 | Amanda Johnson | 59 | Wife | — | Sweden |
| 81 | Eugene Johnson THIS PERSON | 23 | Son | Office Clerk | Illinois |
| 82 | Theodora Johnson | 21 | Daughter | Filing Clerk | Illinois |
| 83 | Robert C Means | 38 | Head | Electrician | Pennsylvania |
| 84 | Florence J Means | 33 | Wife | — | Illinois |
| 85 | Stuart H Means | 11 | Son | — | Illinois |
| 86 | Pierre Guthridge | 51 | Head | Foreman | Ohio |
| 87 | Gertrude Guthridge | 47 | Wife | — | Michigan |
| 88 | Rudolph Hendrickson | 49 | Head | Mill Wright | Sweden |
| 89 | Cecelia Hendrickson | 45 | Wife | — | Sweden |
| 90 | Eugene Hendrickson | 24 | Son | Salesman | Illinois |
| 91 | William G Anderson | 40 | Head | Route Salesman | Illinois |
| 92 | Helen G Anderson | 36 | Wife | — | Illinois |
| 93 | William G Anderson | 10 | Son | — | Indiana |
| 94 | Kathryn E Anderson | 7 | Daughter | — | Indiana |
| 95 | Henry Shipperus | 45 | Roomer | Laborer | Illinois |
| 96 | Robert J Frank | 35 | Head | Checker | Illinois |
| 97 | Anne M Frank | 33 | Wife | — | Illinois |
| 98 | Oscar C Strom | 45 | Head | Wood Machinist Foreman | Sweden |
| 99 | Esther L Strom | 36 | Wife | — | Indiana |
| 100 | Raymond Strom | 15 | Son | — | Illinois |
Pedigree Summary
Eugene + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)