RJ
Robert Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wyandotte-County, Kansas
Our Model Tree links this Robert Johnson across the 1920, 1930 and 1940 US Censuses in Wyandotte-County, Kansas (XGBoost, ~Confirmed), with identified parents Jesse & Jesse — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wyandotte-County, Kansas |
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Wyandotte |
| Additional Details | |
| Occupation | Janitor |
| Industry | Light plant |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 960 |
| Highest Grade | No |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Janitor |
| Township / Ward | Wyandotte 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Johnson | Head | — | 32 | ~1908 |
| Eugene Johnson | Son | — | 14 | ~1926 |
| Stanley Johnson | Son | — | 16 | ~1924 |
| Beatrice Johnson | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Wyandotte, Kansas
Son, age 12
Wyandotte, Kansas · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Wyandotte, Kansas
Son, age 22
Wyandotte, Kansas · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Porter |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wyandotte-County, Kansas
Head, age 32
Wyandotte-County, Kansas · implied b. ~1908 — 4 household members
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Wyandotte |
| Occupation | Janitor |
| Industry | Light plant |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 960 |
| Highest Grade | No |
| 1935 Residence | Kansas |
| 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 Robert Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jesse Johnson (~0.92 confidence) and father Jesse Johnson (~0.92 confidence) and mother Lizzie Johnson (~0.92 confidence) and mother Lula Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jesse Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Jesse Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Lizzie Johnson
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Lula Johnson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnson
Head · 1940 · age 32 · b. ~1908 · 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 — Wyandotte-County, Kansas
Open full size
1940 US Federal Census — Wyandotte-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01266-00816)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Angus G Miles | 53 | Head | Laborer | Kansas |
| 42 | Alice Miles | 42 | Wife | — | Kansas |
| 43 | Robert Johnson THIS PERSON | 32 | Head | Janitor | Kansas |
| 44 | Beatrice Johnson | 32 | Wife | — | Oklahoma |
| 45 | Stanley Johnson | 16 | Son | — | Kansas |
| 46 | Eugene Johnson | 14 | Son | — | Kansas |
| 47 | Ernest Mahone | 34 | Head | Laborer | Kansas |
| 48 | Angie Mahone | 34 | Wife | — | Kansas |
| 49 | Lula Ella Mahone | 14 | Daughter | — | Kansas |
| 50 | Danie Mahone | 11 | Son | — | Kansas |
| 51 | Harry Lee Mahone | 8 | Son | — | Kansas |
| 52 | Rosie May Mahone | 5 | Daughter | — | Kansas |
| 53 | Andrew Jan Mahone | 2 | Son | — | Kansas |
| 54 | Ernest Jr. Mahone | 0 | Son | — | Kansas |
| 55 | Dale Cox | 28 | Head | Laborer | Kansas |
| 56 | Ruth Cox | 20 | Wife | — | Kansas |
| 57 | Vincent Helm | 25 | Head | Contractor | Kansas |
| 58 | Catharine Helm | 26 | Wife | — | Missouri |
| 59 | Vincent Michael Helm | 3 | Son | — | Kansas |
| 60 | David Paul Helm | 1 | Son | — | Kansas |
| 61 | Carl O Peterson | 61 | Head | — | Vermont |
| 62 | Ethel E Peterson | 55 | Wife | — | Kansas |
| 63 | Everett Bruner | 42 | Head | Checker | Kansas |
| 64 | Elsie Bruner | 40 | Wife | — | Kansas |
| 65 | Doris Bruner | 2 | Daughter | — | Kansas |
| 66 | Sarah Bruner | 76 | Mother | — | Ohio |
| 67 | Wilson Cable | 54 | Head | Truckman | Illinois |
| 68 | Mary Cable | 44 | Wife | — | Oklahoma |
| 69 | Lawrence Cable | 15 | Son | — | Kansas |
| 70 | Raymond Cable | 13 | Son | — | Kansas |
| 71 | Betty Lou Cable | 12 | Daughter | — | Kansas |
| 72 | Richard Cable | 10 | Son | — | Kansas |
| 73 | Charles W Buskey | 76 | Head | General Work | Michigan |
| 74 | Mamie Buskey | 66 | Wife | — | Penn |
| 75 | Harry Smith | 52 | Head | Lather | Kansas |
| 76 | Emma Smith | 50 | Wife | — | Kansas |
| 77 | Earl Smith | 18 | Son | New Worker | Kansas |
| 78 | William Dobbs | 36 | Head | Owner | Missouri |
| 79 | Opal Dobbs | 32 | Wife | Machine Operator | Kansas |
| 80 | Gladys Dobbs | 14 | Daughter | — | Kansas |
Pedigree Summary
Robert
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 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)