OJ
Otto Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ada-County, Idaho
Our Model Tree links this Otto Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Ada-County, Idaho (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ada-County, Idaho |
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Boise City |
| 1935 Residence (County) | Ada |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Owner |
| Industry | Real Estate |
| Class of Worker | E |
| Hours Worked | 54 |
| Income (1939) | 653 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Owner |
| Township / Ward | Boise City |
| Est. Birth Year | ~1889 |
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 1940 census.
| Name | Relation to head | Relative to Otto | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 11 | ~1929 |
| Otto Johnson | Head | — | 51 | ~1889 |
| Milda Johnson | Spouse | — | 44 | ~1896 |
| Dick Johnson | Son | — | 15 | ~1925 |
Census Appearances
1910
Twin Falls, …
Other, age 22
Twin Falls, Idaho · implied b. ~1888 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Sweden |
| Children Living | 1905 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farm laborer |
| Industry | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Ada, Idaho
Other, age 32
Ada, Idaho · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1912 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tailor |
| Industry | Clothing store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | sweden |
1930
Ada, Idaho
Head, age 42
Ada, Idaho · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 33 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Tailor |
| Industry | Men's Furnishing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 5000.00 |
| Radio Set | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Ada-County, Idaho
Head, age 51
Ada-County, Idaho · implied b. ~1889 — 4 household members
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Boise City |
| 1935 Residence (County) | Ada |
| Naturalization Status | Naturalized |
| Occupation | Owner |
| Industry | Real Estate |
| Class of Worker | E |
| Hours Worked | 54 |
| Income (1939) | 653 |
| 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 Otto Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Otto Johnson
Head · 1940 · age 51 · b. ~1889 · Idaho
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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 — Ada-County, Idaho
Open full size
1940 US Federal Census — Ada-County, Idaho
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00735-00399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred R. Wright | 18 | Daughter | — | Idaho |
| 42 | Aldah Wright | 16 | Daughter | — | Oregon |
| 43 | William C. Dunbar | 65 | Head | Lawyer | Michigan |
| 44 | Henrietta C. Dunbar | 55 | Wife | — | Wisconsin |
| 45 | Raymond L. Ailshie | 52 | Head | Judge | Oregon |
| 46 | Margaret D. Ailshie | 50 | Wife | — | Wyoming |
| 47 | Raymond L. Jr. Ailshie | 18 | Son | — | Idaho |
| 48 | Robert Ailshie | 23 | Son | — | Idaho |
| 49 | John Ailshie | 16 | Son | — | Idaho |
| 50 | Arthur Spellenberg | 39 | Head | Manager | Iowa |
| 51 | Lena Spellenberg | 35 | Wife | — | Missouri |
| 52 | Marlene Spellenberg | 8 | Daughter | — | Idaho |
| 53 | Luana Spellenberg | 7 | Daughter | — | Idaho |
| 54 | Mary S. Peterson | 78 | Head | — | Sweden |
| 55 | Elinor B. Allen | 49 | Daughter | — | Minnesota |
| 56 | Elinor Jean Allen | 14 | Granddaughter | — | Washington |
| 57 | David Paul Allen | 9 | Grandson | — | Idaho |
| 58 | Otto Johnson THIS PERSON | 51 | Head | Owner | Sweden |
| 59 | Milda M. Johnson | 44 | Wife | — | Minnesota |
| 60 | Dick Johnson | 15 | Son | — | Idaho |
| 61 | Alice Johnson | 11 | Daughter | — | Idaho |
| 62 | Carl G. Johnson | 65 | Head | Owner | Sweden |
| 63 | Marie Johnson | 60 | Wife | — | Sweden |
| 64 | Milton Johnson | 25 | Son | Draftsman | Idaho |
| 65 | Marie Roulson | 77 | Lodger | — | Sweden |
| 66 | Robert Jr. Holden | 62 | Head | Salesman | Illinois |
| 67 | Quintia Holden | 55 | Wife | — | Nebraska |
| 68 | Mamie Mckee | 63 | Head | — | Nebraska |
| 69 | Thomas A. Hill | 25 | Head | Director | Idaho |
| 70 | Thelma Hill | 23 | Wife | — | Washington |
| 71 | Thomas Glade | 33 | Head | Salesman | Utah |
| 72 | Claire Glade | 31 | Wife | — | Utah |
| 73 | Ralph Rudolph | 59 | Head | Real Mgr. | Illinois |
| 74 | Mary Rudolph | 25 | Wife | Lodging House Keeper | Idaho |
| 75 | Ann Rudolph | 2 | Daughter | — | Idaho |
| 76 | Bertha Nyberg | 24 | Lodger | Teacher | Idaho |
| 77 | Lucille Rhodes | 21 | Lodger | Waitress | Idaho |
| 78 | Lillian Schisler | 20 | Lodger | Waitress | Idaho |
| 79 | Phelia|Phyliss Steen | 21 | Lodger | Nurse | Colorado |
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)