RJ
Robert Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sumner-County, Tennessee
Our Model Tree links this Robert Johnson across the 1920, 1930 and 1940 US Censuses in Sumner-County, Tennessee (XGBoost, ~Confirmed), with identified parents Jim & James — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumner-County, Tennessee |
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sumner |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Farmer |
| Township / Ward | 15Th Dist |
| Est. Birth Year | ~1911 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Wanda Johnson | Daughter | — | 4 | ~1936 |
| Betty Johnson | Daughter | — | 7 | ~1933 |
| Robert Johnson | Head | — | 29 | ~1911 |
| Billy Johnson | Son | — | 6 | ~1934 |
| Elizabeth Johnson | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Sumner, Tennessee
Son, age 9
Sumner, Tennessee · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Sumner, Tennessee
Son, age 19
Sumner, Tennessee · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Sumner-County, Tennessee
Head, age 29
Sumner-County, Tennessee · implied b. ~1911 — 5 household members
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Sumner |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Jim Johnson (~0.92 confidence) and father James Johnson (~0.92 confidence) and mother Nola Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jim Johnson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
James Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Nola Johnson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnson
Head · 1940 · age 29 · b. ~1911 · Tennessee
★ 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 — Sumner-County, Tennessee
Open full size
1940 US Federal Census — Sumner-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03939-00756)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Link | 28 | Daughter | Labour | Tennessee |
| 42 | James R. Link | 2 | Son | — | — |
| 43 | George Martin | 38 | Head | Farmer | Tennessee |
| 44 | Oma Martin | 37 | Wife | Housewife | Indiana |
| 45 | Morman Edwards | 19 | Step-son | Clerk | Indiana |
| 46 | Stanford Wilkinson | 50 | Head | Farmer | Tennessee |
| 47 | Inez Wilkinson | 51 | Wife | Housewife | Tennessee |
| 48 | Leonard Conquest | 47 | Head | Farmer | Tennessee |
| 49 | Annie May Conquest | 45 | Wife | Housewife | Tennessee |
| 50 | Charles F. Conquest | 22 | Son | Farmer | Tennessee |
| 51 | Marion Conquest | 16 | Daughter | — | Tennessee |
| 52 | Patsy Conquest | 8 | Daughter | — | Tennessee |
| 53 | David B. Roach | 31 | Head | Farmer | Tennessee |
| 54 | Ruby D. Roach | 30 | Wife | Housewife | Tennessee |
| 55 | Thurman Graves | 21 | Boarder | Labour | Tennessee |
| 56 | Martin Lee | 50 | Head | Farmer | Tennessee |
| 57 | Pauline J. Lee | 39 | Wife | Housewife | Tennessee |
| 58 | Margaret Lee | 6 | Daughter | — | Tennessee |
| 59 | Mildred Edwards | 18 | Daughter | Labour | Tennessee |
| 60 | Bernice Edwards | 17 | Daughter | — | Tennessee |
| 61 | James Edwards | 15 | Son | — | Tennessee |
| 62 | Edward Edwards | 13 | Son | — | Tennessee |
| 63 | S. W. Foster | 58 | Head | Farmer | Tennessee |
| 64 | Edna D. Foster | 52 | Wife | Housewife | Tennessee |
| 65 | Cordell Foster | 13 | Son | — | Tennessee |
| 66 | Daniel Short | 54 | Lodger | Farmer | Tennessee |
| 67 | J. F. Johnson | 24 | Lodger | Truck Driver | Tennessee |
| 68 | Christine Johnson | 22 | Wife | None | Tennessee |
| 69 | Robert Johnson THIS PERSON | 29 | Head | Farmer | Tennessee |
| 70 | Elizabeth Johnson | 21 | Wife | Housewife | Tennessee |
| 71 | Betty Johnson | 7 | Daughter | — | Tennessee |
| 72 | Billy Johnson | 6 | Son | — | Tennessee |
| 73 | Wanda Johnson | 4 | Daughter | — | — |
| 74 | Clarence Griffin | 51 | Head | Farmer | Tennessee |
| 75 | Mable Greenarch | 33 | Lodger | Housekeeper | Tennessee |
| 76 | Edward Greenarch | 12 | Lodger | — | Tennessee |
| 77 | Tommie West | 42 | Head | Farmer | Tennessee |
| 78 | Nannie D. West | 43 | Wife | — | Tennessee |
| 79 | Louise West | 20 | Daughter | — | Tennessee |
| 80 | William E. West | 15 | Son | — | Tennessee |
Pedigree Summary
Robert
Gen 1 · 3 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)