MJ
Marvin Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Riley-County, Kansas
Our Model Tree links this Marvin Johnson across the 1920, 1930 and 1940 US Censuses in Riley-County, Kansas (XGBoost, ~Confirmed), with identified parents E & Emil — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Riley-County, Kansas |
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Center Township |
| 1935 Residence (County) | Riley |
| Additional Details | |
| Occupation | Laborer |
| Industry | NVA Project |
| Class of Worker | GW |
| Hours Worked | 16 |
| Income (1939) | 52 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Center Township |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marvin | Age | Birth yr |
|---|---|---|---|---|
| Marvin Johnson | Son | — | 21 | ~1919 |
| Emil Johnson | Head | — | 55 | ~1885 |
| Addie Johnson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Riley, Kansas
Son, age 1
Riley, Kansas · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marvin H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Riley, Kansas
Son, age 12
Riley, Kansas · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Riley-County, Kansas
Son, age 21
Riley-County, Kansas · implied b. ~1919 — 3 household members
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Center Township |
| 1935 Residence (County) | Riley |
| Occupation | Laborer |
| Industry | NVA Project |
| Class of Worker | GW |
| Hours Worked | 16 |
| Income (1939) | 52 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father E Johnson (~0.92 confidence) and father Emil Johnson (~0.92 confidence) and father George Johnson (~0.92 confidence) and mother Addie Johnson (~0.92 confidence) and mother Vaddie Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
E Johnson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Emil Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
George Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Addie Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Vaddie Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marvin Johnson
Son · 1940 · age 21 · b. ~1919 · Kansas
★ 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 — Riley-County, Kansas
Open full size
1940 US Federal Census — Riley-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01256-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A Johnson | 71 | Head | Farmer | Sweden |
| 2 | Mary Johnson | 63 | Wife | — | Kansas |
| 3 | Oliver Wickstrum | 29 | Head | Farmer | Kansas |
| 4 | Alice Wickstrum | 24 | Wife | — | Kansas |
| 5 | Joy Deane Wickstrum | 3 | Daughter | — | Kansas |
| 6 | Oliver Wickstrum | 2 | Son | — | Kansas |
| 7 | Oliva Larssen | 60 | Hired Hand | Farm Laborer | Kansas |
| 8 | Alven Yeager | 25 | Head | Farmer | Kansas |
| 9 | Christine Yeager | 66 | Mother | — | Sweden |
| 10 | Arthur Belin | 48 | Head | Farmer | Kansas |
| 11 | Marjorie Belin | 40 | Wife | — | Nebraska |
| 12 | Phyllis Belin | 17 | Daughter | Teacher | Kansas |
| 13 | Carroll Belin | 14 | Son | — | Kansas |
| 14 | Winters Hugunin | 57 | Head | Farmer | Kansas |
| 15 | Ethel Hugunin | 56 | Wife | — | Kansas |
| 16 | Bernice Hugunin | 25 | Daughter | Sales Clerk | Kansas |
| 17 | Cleo Hugunin | 19 | Daughter | — | Kansas |
| 18 | Velma Hugunin | 15 | Daughter | — | Kansas |
| 19 | Graydon Hugunin | 31 | Head | Farmer | Kansas |
| 20 | Frankie Hugunin | 27 | Wife | — | Kansas |
| 21 | Lyle Hugunin | 6 | Son | — | Kansas |
| 22 | Joyce Hugunin | 4 | Daughter | — | Kansas |
| 23 | Wilma Hugunin | 1 | Daughter | — | Kansas |
| 24 | Victor G Horslund | 47 | Head | Farmer | Kansas |
| 25 | Anna M Horslund | 36 | Wife | — | Kansas |
| 26 | Marola Horslund | 10 | Daughter | — | Kansas |
| 27 | William G Caley | 41 | Head | Farmer | Kansas |
| 28 | Bertha Caley | 31 | Wife | — | Kansas |
| 29 | Norman Caley | 9 | Son | — | Kansas |
| 30 | Mary Lee Caley | 50 | Sister | — | Kansas |
| 31 | Emil Johnson | 55 | Head | Farmer | Kansas |
| 32 | Addie Johnson | 51 | Wife | — | Kansas |
| 33 | Marvin Johnson THIS PERSON | 21 | Son | Laborer | Kansas |
| 34 | Manford Roberts | 55 | Head | Farmer | Kansas |
| 35 | Vivian Roberts | 46 | Wife | — | Kansas |
| 36 | Viola Roberts | 19 | Daughter | Teacher | Kansas |
| 37 | J Parnell Roberts | 62 | Head | Farmer | Kansas |
| 38 | Ruth Roberts | 47 | Wife | — | Kansas |
| 39 | Gilba Roberts | 23 | Son | Laborer | Kansas |
| 40 | Elbert H Roberts | 17 | Son | Laborer | Kansas |
Pedigree Summary
Marvin
Gen 1 · 5 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)