MJ
Marvin Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bon-Homme-County, South Dakota
Our Model Tree links this Marvin Johnson across the 1930 and 1940 US Censuses in Bon-Homme-County, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bon-Homme-County, South Dakota |
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Springfield Township |
| 1935 Residence (County) | Bon Homme |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Gr 7 7 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Springfield Township |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marvin | Age | Birth yr |
|---|---|---|---|---|
| Leslie Johnson | Son | — | 16 | ~1924 |
| Merle Johnson | Son | — | 13 | ~1927 |
| Orpha Fiedler | Other | — | 19 | ~1921 |
| Richard Johnson | Son | — | 10 | ~1930 |
| George Johnson | Head | — | 40 | ~1900 |
| Ward Johnson | Son | — | 7 | ~1933 |
| Harry Johnson | Other | — | 31 | ~1909 |
| Elizabeth Johnson | Spouse | — | 35 | ~1905 |
| Lowell Johnson | Son | — | 6 | ~1934 |
| George Johnson | Son | — | 11 | ~1929 |
| Marvin Johnson | Son | — | 14 | ~1926 |
Census Appearances
1930
Bon Homme, …
Son, age 4
Bon Homme, South Dakota · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Bon-Homme-County, South …
Son, age 14
Bon-Homme-County, South Dakota · implied b. ~1926 — 11 household members
| Surname | Johnson |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Springfield Township |
| 1935 Residence (County) | Bon Homme |
| Hours Worked | 0 |
| Highest Grade | Gr 7 7 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 14 · b. ~1926 · South Dakota
★ You are viewing this record
Sibling
Richard Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lowell Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ward Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Johnson
Sibling · 1940 · age 13
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 — Bon-Homme-County, South Dakota
Open full size
1940 US Federal Census — Bon-Homme-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03848-00236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy H. Brown | 22 | Head | — | South Dakota |
| 42 | William E. Jr. Brown | 17 | Son | — | South Dakota |
| 43 | George Van Gorp | 58 | Head | — | Holland |
| 44 | Maddie Van Gorp | 53 | Wife | — | Holland |
| 45 | Clarence Van Gorp | 19 | Son | Farmer | South Dakota |
| 46 | Eldridge D. Booker | 72 | Head | — | Illinois |
| 47 | Minnie Booker | 67 | Wife | — | Illinois |
| 48 | George Dobeck | 29 | Head | Farmer | South Dakota |
| 49 | Bernice Dobeck | 25 | Wife | — | South Dakota |
| 50 | Janet Dobeck | 2 | Daughter | — | — |
| 51 | Frank Dobeck | 0 | Son | — | — |
| 52 | George Johnson | 40 | Head | Trucker | South Dakota |
| 53 | Elizabeth Johnson | 35 | Wife | — | South Dakota |
| 54 | Leslie Johnson | 16 | Son | — | South Dakota |
| 55 | Marvin Johnson THIS PERSON | 14 | Son | — | South Dakota |
| 56 | Merle Johnson | 13 | Son | — | South Dakota |
| 57 | George Jr. Johnson | 11 | Son | — | South Dakota |
| 58 | Richard Johnson | 10 | Son | — | South Dakota |
| 59 | Ward Johnson | 7 | Son | — | South Dakota |
| 60 | Lowell Johnson | 6 | Son | — | — |
| 61 | Harry Johnson | 31 | Brother | Trucker | South Dakota |
| 62 | Orpha Fiedler | 19 | Sister-in-law | Teacher Helper | South Dakota |
| 63 | William Heertelman | 63 | Head | Labourer | USSR |
| 64 | Saddo Zelling | 43 | Head | Labourer | Holland |
| 65 | Theresa Zelling | 33 | Wife | — | Holland |
| 66 | Fryda Zelling | 12 | Daughter | — | South Dakota |
| 67 | Minnie Zelling | 10 | Daughter | — | South Dakota |
| 68 | Tiena Zelling | 8 | Daughter | — | South Dakota |
| 69 | Janet Zelling | 6 | Daughter | — | South Dakota |
| 70 | Annie Zelling | 4 | Daughter | — | — |
| 71 | Wilma Zelling | 3 | Daughter | — | — |
| 72 | Fijkje Riemstra | 74 | Mother-in-law | — | Holland |
| 73 | Isaac C. Yule | 44 | Head | Labourer | Nebraska |
| 74 | Clara Yule | 37 | Wife | — | South Dakota |
| 75 | Elsie Yule | 17 | Daughter | Stenographer | South Dakota |
| 76 | Wallace Yule | 14 | Son | — | South Dakota |
| 77 | Betty Yule | 13 | Daughter | — | South Dakota |
| 78 | Kenneth Yule | 5 | Son | — | — |
| 79 | Beverly J. Yule | 0 | Daughter | — | — |
| 80 | Marvin B. Spurrel | 55 | Head | Farmer | Iowa |
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)