RJ
Ralph Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Tennessee
Our Model Tree links this Ralph Johnson across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Tennessee (XGBoost, ~Confirmed), with identified parents James & Catherine — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Tennessee |
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 300 |
| Highest Grade | H 3 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Farmer |
| Township / Ward | 1St Civil District |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Johnson | Head | — | 25 | ~1915 |
| Charles Johnson | Son | — | 1 | ~1939 |
| Ernestine Johnson | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Jefferson, Tennessee
Son, age 5
Jefferson, Tennessee · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Jefferson, Tennessee
Son, age 15
Jefferson, Tennessee · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Jefferson-County, Tennessee
Head, age 25
Jefferson-County, Tennessee · implied b. ~1915 — 3 household members
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 300 |
| Highest Grade | H 3 |
| 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 Ralph Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Johnson (~0.82 confidence) and mother Catherine Johnson (~0.82 confidence) and father Walter Johnson (~0.92 confidence) and mother Lula Johnson (~0.92 confidence) and mother Janie Johnson (~0.92 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
James Johnson
b. ~1853
Source father>father
● Household
· direct · ~0.82
Mother
Catherine Johnson
b. ~1855
Source father>mother
● Household
· direct · ~0.82
Father
Walter Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lula Johnson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Janie Johnson
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Johnson
Head · 1940 · age 25 · b. ~1915 · 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 — Jefferson-County, Tennessee
Open full size
1940 US Federal Census — Jefferson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03908-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel Franklin | 25 | Son | Farmer | California |
| 2 | Lucy Franklin | 21 | Daughter-in-law | — | Tennessee |
| 3 | Alice Joe Franklin | 1 | Granddaughter | — | Tennessee |
| 4 | Sarah Sherman | 58 | Sister | 40 | Tennessee |
| 5 | Ralph Johnson THIS PERSON | 25 | Head | Farmer | Tennessee |
| 6 | Ernestine Johnson | 22 | Wife | — | Tennessee |
| 7 | Charles Johnson | 1 | Son | — | Tennessee |
| 8 | Walter Johnson | 50 | Head | Farmer | Tennessee |
| 9 | Fanny Johnson | 45 | Wife | New Worker | Tennessee |
| 10 | Violet Johnson | 18 | Daughter | New Worker | Tennessee |
| 11 | Ray Cross | 26 | Head | Truck Driver | Tennessee |
| 12 | Lois Cross | 23 | Wife | — | Tennessee |
| 13 | Katherine Cross | 3 | Daughter | — | Tennessee |
| 14 | Myrlin Cross | 1 | Daughter | — | Tennessee |
| 15 | Mays Underwood | 38 | Head | Partner Proprietor | Tennessee |
| 16 | Minnie Underwood | 67 | Mother | Partner Proprietor | Tennessee |
| 17 | James H. Shrader | 64 | Head | Farmer | Tennessee |
| 18 | Mary Shrader | 60 | Wife | — | Tennessee |
| 19 | Virgie Hale | 65 | Head | — | Tennessee |
| 20 | Ethie Hale | 58 | Sister | Nurse | Tennessee |
| 21 | Demps Goin | 31 | Head | Farmer | Tennessee |
| 22 | Clara Mary Goin | 25 | Wife | — | Tennessee |
| 23 | Callene Goin | 9 | Daughter | — | Tennessee |
| 24 | Doyal Goin | 6 | Son | — | Tennessee |
| 25 | Lester Goin | 3 | Son | — | Tennessee |
| 26 | Evaughn Goin | 1 | Daughter | — | Tennessee |
| 27 | Hale Shrader | 35 | Head | Farmer | Tennessee |
| 28 | Blanche Shrader | 31 | Wife | — | Tennessee |
| 29 | Roy Cox | 29 | Head | Drillman | Tennessee |
| 30 | Lillie Cox | 25 | Wife | — | Tennessee |
| 31 | Katherine Cox | 8 | Daughter | — | Tennessee |
| 32 | Alberta Cox | 6 | Daughter | — | Tennessee |
| 33 | Lois Cox | 4 | Daughter | — | Tennessee |
| 34 | Nonamae Cox | 2 | Daughter | — | Tennessee |
| 35 | John Bowers | 73 | Head | — | Tennessee |
| 36 | Alice Bowers | 48 | Wife | — | Tennessee |
| 37 | Ed C. Bettis | 51 | Head | Proprietor | Tennessee |
| 38 | Rebe Bettis | 43 | Wife | — | Tennessee |
| 39 | Willis Bettis | 22 | Son | Farmer | Tennessee |
| 40 | Curtis Bettis | 19 | Son | New Worker | Tennessee |
Pedigree Summary
Ralph
Gen 1 · 3 parents
~0.92
Gen 2 · 2 grandparents
~0.82
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)