RJ
Roy Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Douglas-County, Missouri
Our Model Tree links this Roy Johnson across the 1920, 1930 and 1940 US Censuses in Douglas-County, Missouri (XGBoost, ~Confirmed), with identified parents Harvey & Harvey — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Missouri |
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Washington Twp |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 20 | ~1920 |
| Harvey Johnson | Head | — | 43 | ~1897 |
| Mary Williams | Other | — | 4 | ~1936 |
| Eugene Johnson | Son | — | 16 | ~1924 |
| Roy Johnson | Son | — | 22 | ~1918 |
| Alvin Johnson | Son | — | 14 | ~1926 |
| Norman Johnson | Son | — | 7 | ~1933 |
| Bertha Johnson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Douglas, Missouri
Son, age 1
Douglas, Missouri · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
Son, age 12
Douglas, Missouri · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Douglas-County, Missouri
Son, age 22
Douglas-County, Missouri · implied b. ~1918 — 8 household members
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Douglas |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Roy Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harvey Johnson (~0.92 confidence) and father Harvey Johnson (~0.92 confidence) and father James Johnson (~0.92 confidence) and mother Bertha Johnson (~0.92 confidence) and mother Bertha Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harvey Johnson
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Harvey Johnson
b. ~1897
Source father
● Household
· direct · ~0.92
Father
James Johnson
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Bertha Johnson
b. ~1902
Source mother
● Household
· direct · ~0.92
Mother
Bertha Johnson
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Johnson
Son · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
Alvin Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Johnson
Sibling · 1940 · age 7
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 — Douglas-County, Missouri
Open full size
1940 US Federal Census — Douglas-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02103-00769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray Estill | 2 | Son | — | — |
| 2 | Charles F. Snow | 42 | Head | Labourer | Missouri |
| 3 | Maude R. Snow | 37 | Wife | — | Missouri |
| 4 | Orville Pruitt | 21 | Step-son | Farm Laborer | Missouri |
| 5 | Alva Pruitt | 18 | Step-son | Farm Laborer | Missouri |
| 6 | Jesse Pruitt | 16 | Step-son | Farm Laborer | Missouri |
| 7 | Willie Pruitt | 12 | Step-son | — | Missouri |
| 8 | C. Herbert Snow | 8 | Son | — | Missouri |
| 9 | Bruce Snow | 5 | Son | — | Missouri |
| 10 | Claude Wiles | 44 | Head | Pruner/Operator | Tennessee |
| 11 | Alpha Wiles | 33 | Wife | — | Missouri |
| 12 | Jean Wiles | 2 | Daughter | — | — |
| 13 | Walter H. Fitzgerald | 50 | Head | Pruner/Operator | Missouri |
| 14 | Stella Fitzgerald | 45 | Wife | — | Missouri |
| 15 | Lora Fitzgerald | 17 | Daughter | — | Missouri |
| 16 | Emory Fitzgerald | 16 | Son | — | Missouri |
| 17 | Nola Fitzgerald | 14 | Daughter | — | Missouri |
| 18 | Genevieve Fitzgerald | 12 | Daughter | — | Missouri |
| 19 | Doris Fitzgerald | 10 | Daughter | — | Missouri |
| 20 | Stella E. Fitzgerald | 9 | Daughter | — | Missouri |
| 21 | Irma Lee Fitzgerald | 5 | Daughter | — | Missouri |
| 22 | Zerman E. Fitzgerald | 25 | Head | Pruner/Operator | Missouri |
| 23 | Ruby Fitzgerald | 23 | Wife | — | Missouri |
| 24 | Billy J. Fitzgerald | 2 | Son | — | — |
| 25 | Fitzgerald | 1 | Son | — | — |
| 26 | Leo S. Johnson | 33 | Head | Pruner/Operator | Missouri |
| 27 | Beulah Johnson | 34 | Wife | — | Missouri |
| 28 | Luciele Johnson | 12 | Daughter | — | California |
| 29 | Bobby C. Johnson | 10 | Son | — | Missouri |
| 30 | Harvey C. Johnson | 43 | Head | Pruner/Operator | Missouri |
| 31 | Bertha Johnson | 38 | Wife | Seamstress | Missouri |
| 32 | Roy Johnson THIS PERSON | 22 | Son | Laborer | Missouri |
| 33 | Alice Johnson | 20 | Daughter | — | Missouri |
| 34 | Eugene Johnson | 16 | Son | — | Missouri |
| 35 | Alvin Johnson | 14 | Son | — | Missouri |
| 36 | Norman Johnson | 7 | Son | — | Missouri |
| 37 | Mary Williams | 4 | Niece | — | Missouri |
| 38 | Emma Williams | 66 | Head | — | Missouri |
| 39 | Leslie Williams | 25 | Grandson | Laborer | Missouri |
| 40 | Lizzie Stillings | 63 | Head | — | Missouri |
Related Census Records
Pedigree Summary
Roy + 4 siblings
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)