RJ
Roy Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Kentucky
Our Model Tree links this Roy Johnson across the 1920, 1930 and 1940 US Censuses in Knox-County, Kentucky (XGBoost, ~Confirmed), with identified parents R & Robert — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Kentucky |
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Artemus |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 886 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Miner |
| Township / Ward | Artemus |
| Est. Birth Year | ~1914 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| R Johnson | Head | — | 67 | ~1873 |
| Mollie Johnson | Other | — | 28 | ~1912 |
| Roy Johnson | Son | — | 26 | ~1914 |
| Elizabeth Johnson | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Knox, Kentucky
Son, age 5
Knox, Kentucky · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Knox, Kentucky
Son, age 15
Knox, Kentucky · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knox-County, Kentucky
Son, age 26
Knox-County, Kentucky · implied b. ~1914 — 4 household members
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Artemus |
| 1935 Residence (County) | Knox |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 886 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 R Johnson (~0.92 confidence) and father Robert Johnson (~0.92 confidence) and father Scott Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
R Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Robert Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Scott Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Johnson
Son · 1940 · age 26 · b. ~1914 · Kentucky
★ 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 — Knox-County, Kentucky
Open full size
1940 US Federal Census — Knox-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-00796)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bobby Jean Ramsey | 9 | Daughter | — | Kentucky |
| 42 | Lindburgh Ramsey | 7 | Son | — | Kentucky |
| 43 | Eleanor Ramsey | 4 | Daughter | — | Kentucky |
| 44 | R. E. Johnson | 67 | Head | Carpenter | Virginia |
| 45 | Elizabeth Johnson | 54 | Wife | — | Kentucky |
| 46 | Roy Johnson THIS PERSON | 26 | Son | Miner | Kentucky |
| 47 | Mollie Johnson | 28 | Daughter-in-law | — | Kentucky |
| 48 | Joe Davenport | 49 | Head | Farmer | Kentucky |
| 49 | Effie Davenport | 44 | Wife | — | Kentucky |
| 50 | Carlice Davenport | 16 | Son | — | Kentucky |
| 51 | Mary Joe Davenport | 8 | Daughter | — | Kentucky |
| 52 | James Hubbard | 60 | Head | — | Kentucky |
| 53 | Maggie Hubbard | 50 | Wife | — | Ohio |
| 54 | Mary Ruth Hubbard | 16 | Daughter | — | Kentucky |
| 55 | Lydia Hubbard | 13 | Daughter | — | Kentucky |
| 56 | Hazel May | 34 | Daughter | — | Kentucky |
| 57 | Mageline May | 15 | Grand-daughter | — | Kentucky |
| 58 | Marshel Jim May | 10 | Grand-son | — | Kentucky |
| 59 | Robert Walker | 1 | Grand-son | — | Ohio |
| 60 | Thomas Jordan | 40 | Head | Laborer | Kentucky |
| 61 | Minda Jordan | 34 | Wife | — | Kentucky |
| 62 | Nadean Jordan | 13 | Daughter | — | Kentucky |
| 63 | Joe Billie Jordan | 10 | Son | — | Kentucky |
| 64 | Sarah Ann Jordan | 8 | Daughter | — | Kentucky |
| 65 | James Arlis Jordan | 6 | Son | — | Kentucky |
| 66 | C. T. Jordan | 3 | Son | — | Kentucky |
| 67 | Shaler Jean Jordan | 2 | Daughter | — | Kentucky |
| 68 | Edd Holt | 40 | Head | Miner | Kentucky |
| 69 | Ethel Holt | 35 | Wife | — | Kentucky |
| 70 | Will Henry Holt | 15 | Son | New Worker | Kentucky |
| 71 | John Tip Holt | 12 | Son | — | Kentucky |
| 72 | Ora Mae Holt | 9 | Daughter | — | Kentucky |
| 73 | Fred Holt | 5 | Son | — | Kentucky |
| 74 | Sarah Ramsey | 63 | Head | — | Kentucky |
| 75 | Walter Ramsey | 39 | Son | Miner | Kentucky |
| 76 | Rubie Ramsey | 26 | Daughter-in-law | — | Kentucky |
| 77 | Malinda Scalf | 66 | Head | — | Kentucky |
| 78 | Elmer Scalf | 22 | Son | Farmer | Kentucky |
| 79 | Vergie Scalf | 24 | Daughter-in-law | — | Kentucky |
| 80 | Alta Scalf | 18 | Grand-daughter | Miner | Kentucky |
Pedigree Summary
Roy
Gen 1 · 6 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)