RJ
Robert Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marshall, Minnesota
Our Model Tree links this Robert Johnson across the 1910, 1920 and 1930 US Censuses in Marshall, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Male
Son
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marshall, Minnesota |
| Surname | Johnson |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Vega Township |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Johnson | Daughter | — | 12 | ~1918 |
| Charles Johnson | Head | — | 62 | ~1868 |
| Robert Johnson | Son | — | 22 | ~1908 |
| Carl Johnson | Son | — | 20 | ~1910 |
| Johanna Johnson | Spouse | — | 53 | ~1877 |
Census Appearances
1910
Marshall, Minnesota
Son, age 2
Marshall, Minnesota · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Wisconsin |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Marshall, Minnesota
Son, age 12
Marshall, Minnesota · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Marshall, Minnesota
Son, age 22
Marshall, Minnesota · implied b. ~1908 — 5 household members
| Surname | Johnson |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Robert Johnson across 3 US Census years (1910, 1920 and 1930) in Marshall, Minnesota, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and mother Johanna Johnson (~0.92 confidence) and mother Johanna Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Johanna Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Johanna Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnson
Son · 1930 · age 22 · b. ~1908 · Minnesota
★ You are viewing this record
Sibling
Carl Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Johnson
Sibling · 1930 · age 12
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, Minnesota
Open full size
1930 US Federal Census — Marshall, Minnesota
Page Contents
13 people indexed on this census page (ia:1930:minnesotacensus00reel1106:0458)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles A Johnson | 62 | Head | Farmer | Sweden |
| 52 | Johanna Johnson | 53 | Wife | — | Wisconsin |
| 53 | Robert W Johnson THIS PERSON | 22 | Son | Laborer | Minnesota |
| 54 | Carl F Johnson | 20 | Son | Laborer | Minnesota |
| 55 | Evelyn V Johnson | 12 | Daughter | — | Minnesota |
| 56 | Alfred C Domhun | 30 | Head | But. Laborer | Mexico |
| 57 | Idina Domhun | 32 | Wife | — | Mexico |
| 58 | Pete Domhun | 7 | Son | — | Mexico |
| 59 | Arvellow Domhun | 6 | Son | — | Mexico |
| 60 | Jose Domhun | 4 | Son | — | Texas |
| 61 | Trenedao Domhun | 2 | Daughter | — | Texas |
| 62 | Carolina Domhun | 0 | Daughter | — | Texas |
| 63 | Henry Olsen | 55 | Head | Farm Laborer | Norway |
Pedigree Summary
Robert + 2 siblings
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 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)