MJ
Marvin Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grant-County, Washington
Our Model Tree links this Marvin Johnson across the 1930 and 1940 US Censuses in Grant-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 13-person household.
Age 26
b. ~1914
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Washington |
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Wilson Creek town |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Laborer |
| Township / Ward | Wilson Creek Town |
| Est. Birth Year | ~1914 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marvin | Age | Birth yr |
|---|---|---|---|---|
| Lottie Johnson | Daughter | — | 12 | ~1928 |
| Peter Johnson | Son | — | 6 | ~1934 |
| Eleanor Law-Lawrence | Daughter | — | 27 | ~1913 |
| Palmer Law-Lawrence | Son | — | 28 | ~1912 |
| Head Law-Lawrence | Other | — | — | |
| Alice Law-Lawrence | Daughter | — | 24 | ~1916 |
| Inger Johnson | Spouse | — | 47 | ~1893 |
| Marvin Johnson | Son | — | 26 | ~1914 |
| Jack Johnson | Son | — | 13 | ~1927 |
| Frances Johnson | Son | — | 17 | ~1923 |
| Wilhelmina Law-Lawrence | Spouse | — | 49 | ~1891 |
| Bertha Johnson | Daughter | — | 9 | ~1931 |
| Nels Johnson | Head | — | 49 | ~1891 |
Census Appearances
1930
Grant, Washington
Son, age 16
Grant, Washington · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Grant-County, Washington
Son, age 26
Grant-County, Washington · implied b. ~1914 — 13 household members
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Wilson Creek town |
| 1935 Residence (County) | Grant |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 480 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Marvin Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marvin Johnson
Son · 1940 · age 26 · b. ~1914 · Washington
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Sibling
Palmer Law-Lawrence
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Law-Lawrence
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lottie Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Law-Lawrence
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Johnson
Sibling · 1940 · age 17
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
1940 US Federal Census — Grant-County, Washington
Open full size
1940 US Federal Census — Grant-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04339-00370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Allen | 34 | Head | Foreman | Washington |
| 2 | Alma Allen | 24 | Wife | — | Kansas |
| 3 | James R. Christian | 29 | Hired hand | Laborer | Washington |
| 4 | James Blaylock | 33 | Hired hand | Laborer | Kentucky |
| 5 | Homer Fly | 37 | Hired hand | Laborer | Washington |
| 6 | Homer Fly | 37 | Hired hand | Laborer | Washington |
| 7 | Ernest Smith | 62 | Head | — | Oregon |
| 8 | Jessie Smith | 51 | Wife | — | Kansas |
| 9 | Virginia Smith | 21 | daughter | — | Idaho |
| 10 | Mary Ab. Smith | 20 | daughter | Beauty Operator | Idaho |
| 11 | Hazel Ab. Smith | 18 | daughter | — | Idaho |
| 12 | Ernest Jr. Smith | 15 | son | — | Idaho |
| 13 | Doris Fly | 15 | niece | — | Washington |
| 14 | Clifford Carson | 28 | Head | Truck Driver | North Dakota |
| 15 | Katherine Carson | 24 | Wife | House Work | Washington |
| 16 | Marvin Paul | 24 | Head | Laborer | Montana |
| 17 | Phillis Paul | 19 | Wife | — | Washington |
| 18 | Nels Johnson | 49 | Head | Laborer | Denmark |
| 19 | Inger Johnson | 47 | Wife | — | Denmark |
| 20 | Marvin Johnson THIS PERSON | 26 | son | Laborer | Washington |
| 21 | Frances Johnson | 17 | son | Laborer | Washington |
| 22 | Jack Johnson | 13 | son | — | Washington |
| 23 | Lottie Johnson | 12 | daughter | — | Washington |
| 24 | Bertha Johnson | 9 | daughter | — | Washington |
| 25 | Peter Johnson | 6 | son | — | Washington |
| 26 | Head Law-Lawrence | None | M | Rail Road Section | — |
| 27 | Wilhelmina Law-Lawrence | 49 | Wife | — | California |
| 28 | Palmer Law-Lawrence | 28 | son | Laborer | California |
| 29 | Eleanor Law-Lawrence | 27 | daughter | Laborer | California |
| 30 | Alice Law-Lawrence | 24 | daughter | Stenographer | Washington |
| 31 | Oscar J. Pape | 60 | Head | Laborer | Illinois |
| 32 | Sylvia Pape | 48 | Wife | — | Minnesota |
| 33 | John Schroeder | 73 | Head | — | Iowa |
| 34 | Maude Schroeder | 57 | Wife | — | Kansas |
| 35 | John Jordan | 68 | Head | — | Indiana |
| 36 | Frank Jordan | 40 | son | Laborer | Missouri |
| 37 | Jennie Jordan | 63 | daughter in law | — | Missouri |
| 38 | Art Schumacher | 54 | Head | Owner | Nebraska |
| 39 | Isabelle Schumacher | 54 | Wife | — | Minnesota |
| 40 | William Schumacher | 82 | father | — | Germany |
Related Census Records
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)