OJ
Oscar Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Oscar Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Isaac & Anton — first a head (b.~1900), then head of a 9-person household.
Age 40
b. ~1900
Male
Head
Born: Finland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Johnson |
| Given Name | Oscar E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | carpenter |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Occupation | Carpenter |
| Township / Ward | Nankin Township |
| Est. Birth Year | ~1900 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Elaine Johnson | Daughter | — | 10 | ~1930 |
| Julia Johnson | Daughter | — | 13 | ~1927 |
| Ethel Johnson | Daughter | — | 8 | ~1932 |
| Jane Johnson | Daughter | — | 12 | ~1928 |
| Oscar Johnson | Head | — | 40 | ~1900 |
| Arthur Johnson | Son | — | 15 | ~1925 |
| Charles Johnson | Son | — | 6 | ~1934 |
| Robert Johnson | Son | — | 4 | ~1936 |
| Sylvia Johnson | Spouse | — | 38 | ~1902 |
Census Appearances
1910
St Louis, …
Son, age 10
St Louis, Minnesota · implied b. ~1900 — 21 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Finland |
| Year of Immigration | 1906 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1920
Houghton, Michigan
Son, age 21
Houghton, Michigan · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Finland |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Miner |
| Industry | Copper Mines |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1930
Wayne, Michigan
Head, age 31
Wayne, Michigan · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 26 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Carpenter |
| Industry | House Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Home Owned/Rented | O |
| Home Value / Rent | 6200 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Wayne-County, Michigan
Head, age 40
Wayne-County, Michigan · implied b. ~1900 — 9 household members
| Surname | Johnson |
| Given Name | Oscar E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Occupation | carpenter |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Oscar Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 4 locations, using XGBoost record linkage. Identified parents: father Isaac Johnson (~0.92 confidence) and father Anton Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Amanda Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Anton Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Amanda Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Head · 1940 · age 40 · b. ~1900 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01832-00808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Lewis | 41 | Head | Mechanic | Indiana |
| 2 | Anna Lewis | 42 | Wife | — | Michigan |
| 3 | Dorothy M Lewis | 22 | Daughter | — | Michigan |
| 4 | Norma F Lewis | 12 | Daughter | — | Michigan |
| 5 | Frank Yankel | 48 | Brother-in-law | Farmer | Michigan |
| 6 | William G Morcom | 47 | Head | Tool Maker | Michigan |
| 7 | Rose M Morcom | 43 | Wife | — | Michigan |
| 8 | Clarence W Morcom | 15 | Son | — | Michigan |
| 9 | Richard R Morcom | 13 | Son | — | Michigan |
| 10 | Gerald A Viers | 14 | Step-son | — | Michigan |
| 11 | Giles A Viers | 12 | Step-son | — | Michigan |
| 12 | Charles R Blake | 37 | Head | Press Operator | Michigan |
| 13 | Agnes M Blake | 37 | Wife | — | Michigan |
| 14 | Myron J Hoyer | 57 | Head | Machinist | Pennsylvania |
| 15 | Garnett E Hoyer | 47 | Wife | — | Kentucky |
| 16 | Margaret M Hoyer | 23 | Daughter | — | Ohio |
| 17 | William H Curry | 49 | Head | Grinder | Tennessee |
| 18 | Zella T Curry | 27 | Wife | — | Ohio |
| 19 | Diane M Curry | 5 | Daughter | — | Michigan |
| 20 | Nancy L Curry | 3 | Daughter | — | Michigan |
| 21 | William H Jr Curry | 3 | Son | — | Michigan |
| 22 | Wilfred V Thompson | 37 | Head | Millwright | Michigan |
| 23 | Francesca A Thompson | 39 | Wife | — | Michigan |
| 24 | Verna M Thompson | 19 | Daughter | — | Michigan |
| 25 | Loretta B Thompson | 16 | Daughter | — | Michigan |
| 26 | Arthur L Thompson | 13 | Son | — | Michigan |
| 27 | Calvin J Thompson | 8 | Daughter|Son | — | Michigan |
| 28 | Naomi M Thompson | 4 | Daughter | — | Michigan |
| 29 | Eino I Johnson | 38 | Head | Armature Winders | Finland |
| 30 | Tyne M Johnson | 38 | Wife | — | Michigan |
| 31 | Earl D Johnson | 12 | Son | — | Michigan |
| 32 | Oscar E Johnson THIS PERSON | 40 | Head | Carpenter | Finland |
| 33 | Sylvia E Johnson | 38 | Wife | — | Finland |
| 34 | Arthur E Johnson | 15 | Son | — | Michigan |
| 35 | Julia E Johnson | 13 | Daughter | — | Michigan |
| 36 | Jane E Johnson | 12 | Daughter | — | Michigan |
| 37 | Elaine M Johnson | 10 | Daughter | — | Michigan |
| 38 | Ethel M Johnson | 8 | Daughter | — | Michigan |
| 39 | Charles O Johnson | 6 | Son | — | Michigan |
| 40 | Robert R Johnson | 4 | Son | — | Michigan |
Related Census Records
Pedigree Summary
Oscar
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)