OJ
Otto Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Otto Johnson across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 6-person household.
Age 50
b. ~1880
Male
Head
Born: Sweden
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Sales Clerk |
| Industry | Retail Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 12000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Sales Clerk |
| Township / Ward | Evanston City |
| Est. Birth Year | ~1880 |
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 Otto | Age | Birth yr |
|---|---|---|---|---|
| Harold Johnson | Son | — | 14 | ~1916 |
| Ethel Johnson | Daughter | — | 21 | ~1909 |
| Otto Johnson | Head | — | 50 | ~1880 |
| Eliza Johnson | Daughter | — | 23 | ~1907 |
| Agnes Johnson | Daughter | — | 19 | ~1911 |
| Emma Johnson | Spouse | — | 48 | ~1882 |
Census Appearances
1910
Lake, Indiana
Other, age 30
Lake, Indiana · implied b. ~1880 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1899 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Locomotive Works |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Cook, Illinois
Other, age 40
Cook, Illinois · implied b. ~1880 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1900 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Electric Shop |
| 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
Head, age 50
Cook, Illinois · implied b. ~1880 — 6 household members
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Sales Clerk |
| Industry | Retail Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 12000 |
| Radio Set | R |
| Veteran | No |
| 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 Otto Johnson across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Otto Johnson
Head · 1930 · age 50 · b. ~1880 · Illinois
★ You are viewing this record
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:illinoiscensus00reel500:0016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ralph Alexander | 43 | Head | Engineer | Pennsylvania |
| 52 | Ellen Alexander | 33 | Wife | — | New York |
| 53 | Mary Alexander | 6 | Daughter | — | Illinois |
| 54 | Elizabeth Alexander | 3 | Daughter | — | Illinois |
| 55 | Ralph Alexander | 3 | Son | — | Illinois |
| 56 | Otto Johnson THIS PERSON | 50 | Head | Sales Clerk | Sweden |
| 57 | Emma Johnson | 48 | Wife | — | Sweden |
| 58 | Eliza Johnson | 23 | Daughter | Stenographer | Illinois |
| 59 | Ethel Johnson | 21 | Daughter | Stenographer | Illinois |
| 60 | Agnes Johnson | 19 | Daughter | Office Work | Illinois |
| 61 | Harold Johnson | 14 | Son | — | Illinois |
| 62 | Charles Dyer | 42 | Head | Electrical Engineer | Wisconsin |
| 63 | Kathryn Dyer | 38 | Wife | — | Missouri |
| 64 | Kathryn Dyer | 4 | Daughter | — | Iowa |
| 65 | Annie Cahill | 70 | Mother-in-law | — | Missouri |
| 66 | Anthony Ferrone | 50 | Head | Newspaper Sales | Italy |
| 67 | Josephine Ferrone | 39 | Wife | — | Italy |
| 68 | Angelina Ferrone | 17 | Daughter | — | Illinois |
| 69 | John Ferrone | 15 | Son | — | Illinois |
| 70 | Minna Ferrone | 13 | Daughter | — | Illinois |
| 71 | Emily Ferrone | 12 | Daughter | — | Illinois |
| 72 | Jerome Malloy | 45 | Head | Building Main-Tenance Engineer | Wisconsin |
| 73 | Margaret Malloy | 38 | Wife | — | Illinois |
| 74 | Rita Malloy | 14 | Daughter | — | Illinois |
| 75 | Edward Whitlock | 45 | Head | Mechanic | Illinois |
| 76 | Gertrude Whitlock | 40 | Wife | — | Illinois |
| 77 | Edward Whitlock | 82 | Father | — | Connecticut |
| 78 | Gustave Lundgren | 40 | Head | Motorman | Sweden |
| 79 | Ellen Lundgren | 42 | Wife | — | Denmark |
| 80 | Evelyn Lundgren | 14 | Daughter | — | Illinois |
| 81 | Jeanette Lundgren | 11 | Daughter | — | Illinois |
| 82 | Joseph Kostas | 38 | Head | Cable Foreman | Lithuania |
| 83 | Josephine Kostas | 29 | Wife | — | Lithuania |
| 84 | Rita Kostas | 2 | Daughter | — | Illinois |
| 85 | John Marks | 30 | Lodger | Laborer | Lithuania |
| 86 | Antoinette Marks | 26 | Lodger | — | Lithuania |
| 87 | Henry Hudson | 36 | Head | Business Agent | Arkansas |
| 88 | Helen Hudson | 30 | Wife | — | Michigan |
| 89 | Allan Hudson | 6 | Son | — | Illinois |
| 90 | Doris Hudson | 5 | Daughter | — | Illinois |
| 91 | Edward Hudson | 4 | Son | — | Illinois |
| 92 | Anna Hagberg | 69 | Head | — | Sweden |
| 93 | Anna E. Hagberg | 40 | Daughter | Teacher | Illinois |
| 94 | Walter Krause | 26 | Head | Switchman | Illinois |
| 95 | Ruth Krause | 26 | Wife | — | Illinois |
| 96 | Walter Krause | 4 | Son | — | Illinois |
| 97 | Martin White | 58 | Head | Foreman | Iowa |
| 98 | Margaret White | 55 | Wife | — | Indiana |
| 99 | Elizabeth White | 19 | Daughter | — | Indiana |
| 100 | Dorothy White | 16 | Daughter | — | Illinois |
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)