OJ
Oliver Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marshall, South Dakota
Our Model Tree links this Oliver Johnson across the 1920 and 1930 US Censuses in Marshall, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 17-person household.
Age 25
b. ~1905
Male
Son
Born: South Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marshall, South Dakota |
| Surname | Johnson |
| Given Name | Oliver L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Laborer |
| Township / Ward | Newport Township |
| Est. Birth Year | ~1905 |
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.
17 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Charles Manzer | Other | — | 62 | ~1868 |
| Vincent Malen | Son | — | 19 | ~1911 |
| Gertrude Vickers | Daughter | — | 10 | ~1920 |
| Oscar Johnson | Other | — | 62 | ~1868 |
| Frank Vickers | Other | — | 51 | ~1879 |
| Windsor Johnson | Son | — | 14 | ~1916 |
| John Hessman | Other | — | 40 | ~1890 |
| Peter Malen | Other | — | 71 | ~1859 |
| Presanna Vickers | Other | — | 47 | ~1883 |
| Gladys Vickers | Daughter | — | 15 | ~1915 |
| Shirley Vickers | Daughter | — | 4 | ~1926 |
| Tillie Johnson | Other | — | 56 | ~1874 |
| Gerard Malen | Other | — | 61 | ~1869 |
| Martin Mulally | Head | — | 35 | ~1895 |
| Dorothy Vickers | Daughter | — | 8 | ~1922 |
| Ardis Vickers | Daughter | — | 17 | ~1913 |
| Oliver Johnson | Son | — | 25 | ~1905 |
Census Appearances
1920
Marshall, South …
Son, age 16
Marshall, South Dakota · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oliver L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Marshall, South …
Son, age 25
Marshall, South Dakota · implied b. ~1905 — 17 household members
| Surname | Johnson |
| Given Name | Oliver L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Oliver Johnson across 2 US Census years (1920 and 1930) in Marshall, South Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Oliver Johnson
Son · 1930 · age 25 · b. ~1905 · South Dakota
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Sibling
Dorothy Vickers
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Vickers
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Malen
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Vickers
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Vickers
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Windsor Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ardis Vickers
Sibling · 1930 · 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
1930 US Federal Census — Marshall, South Dakota
Open full size
1930 US Federal Census — Marshall, South Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2227unit:0358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arnold | 19 | — | — | South Dakota |
| 52 | Oliver Thompson | 55 | Head | Farmer | Norway |
| 53 | Lydia R. Thompson | 42 | Wife-H | — | South Dakota |
| 54 | Richard B. Thompson | 19 | Son | Laborer | South Dakota |
| 55 | Edna J. Thompson | 17 | Daughter | — | South Dakota |
| 56 | Clinton O. Thompson | 13 | Son | — | South Dakota |
| 57 | Ruby B. Thompson | 7 | Daughter | — | South Dakota |
| 58 | William Korkow | 46 | Head | Farmer | Minnesota |
| 59 | Anna M. Korkow | 37 | Wife-H | — | Germany |
| 60 | Mabel M. Korkow | 14 | Daughter | — | South Dakota |
| 61 | Loring R. Korkow | 12 | Daughter | — | South Dakota |
| 62 | Hazel H. Korkow | 8 | Daughter | — | South Dakota |
| 63 | Lillie R. Korkow | 7 | Daughter | — | South Dakota |
| 64 | Ralph E. Burns | 25 | Boarder | Laborer | South Dakota |
| 65 | P. Royal Jones | 25 | Head | Farmer | South Dakota |
| 66 | Lucile A. Jones | 22 | Wife-H | — | South Dakota |
| 67 | Roland H. Olsen | 19 | Step-son | Laborer | South Dakota |
| 68 | Matt Jerde | 62 | Head | Farmer | Norway |
| 69 | Lena Jerde | 52 | Wife-H | — | Norway |
| 70 | Gerhard B. Jerde | 23 | Son | Laborer | South Dakota |
| 71 | Roy Jerde | 21 | Son | Laborer | South Dakota |
| 72 | Olga Jerde | 20 | Daughter | — | South Dakota |
| 73 | Selma Jerde | 17 | Daughter | — | South Dakota |
| 74 | John Mast | 34 | Head | Laborer | South Dakota |
| 75 | Myrtle G. Mast | 27 | Wife-H | — | South Dakota |
| 76 | Marcella D. Mast | 4 | Daughter | — | South Dakota |
| 77 | Elvis G. Mast | 3 | Daughter | — | South Dakota |
| 78 | Marvin R. Mast | 1 | Son | — | South Dakota |
| 79 | Martin Mulally | 35 | Head | — | Iowa |
| 80 | Peter G. Malen | 71 | O | Farmer | Sweden |
| 81 | Gerard G. Malen | 61 | Wife-H | — | Sweden |
| 82 | Vincent R. Malen | 19 | Son | Laborer | South Dakota |
| 83 | John Hessman | 40 | Lodger | Laborer | Wisconsin |
| 84 | Frank G. Vickers | 51 | R | Farmer | Michigan |
| 85 | Presanna Vickers | 47 | Wife-H | — | Michigan |
| 86 | Ardis H. Vickers | 17 | Daughter | — | South Dakota |
| 87 | Gladys M. Vickers | 15 | Daughter | — | South Dakota |
| 88 | Gertrude A. Vickers | 10 | Daughter | — | South Dakota |
| 89 | Dorothy G. Vickers | 8 | Daughter | — | South Dakota |
| 90 | Shirley M. Vickers | 4 | Daughter | — | South Dakota |
| 91 | Oscar E. Johnson | 62 | O | Farmer | Illinois |
| 92 | Tillie Johnson | 56 | Wife-H | — | Wisconsin |
| 93 | Oliver L. Johnson THIS PERSON | 25 | Son | Laborer | South Dakota |
| 94 | Windsor M. Johnson | 14 | Son | — | South Dakota |
| 95 | Charles P. Manzer | 62 | Lodger | Laborer | Pennsylvania |
| 96 | Carl Johnson | 46 | Head | Farmer | Sweden |
| 97 | Elizabeth Johnson | 36 | Sister-H | Teacher | South Dakota |
| 98 | Oliver S. Johnson | 26 | Brother | Laborer | South Dakota |
| 99 | Anton Andersen | 32 | Lodger | Laborer | Norway |
| 100 | Sander Heide | 47 | R | Farmer | South Dakota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)