RJ
Ralph Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · White-County, Illinois
Our Model Tree links this Ralph Johnson across the 1920, 1930 and 1940 US Censuses in White-County, Illinois (XGBoost, ~Confirmed), with identified parents Livan & Dora — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | White-County, Illinois |
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Indian Creek township |
| 1935 Residence (County) | White |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Indian Creek Township |
| Est. Birth Year | ~1912 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ruth Johnson | Daughter | — | 35 | ~1905 |
| Dora Johnson | Head | — | 61 | ~1879 |
| Earl Johnson | Son | — | 19 | ~1921 |
| Ralph Johnson | Son | — | 28 | ~1912 |
Census Appearances
1920
White, Illinois
Son, age 9
White, Illinois · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
White, Illinois
Son, age 19
White, Illinois · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
White-County, Illinois
Son, age 28
White-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Indian Creek township |
| 1935 Residence (County) | White |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Livan Johnson (~0.92 confidence) and mother Dora Johnson (~0.92 confidence) and mother Dora Johnson (~0.92 confidence) and mother Dora Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Livan Johnson
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Dora Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Dora Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Dora Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Johnson
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Ruth Johnson
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Johnson
Sibling · 1940 · age 19
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 — White-County, Illinois
Open full size
1940 US Federal Census — White-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00904-00437)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha May | 59 | Wife | — | Tennessee |
| 2 | Laymon May | 21 | Son | Laborer | Illinois |
| 3 | Ray May | 20 | Son | Laborer | Illinois |
| 4 | Gladys May | 21 | Daughter in law | — | Illinois |
| 5 | H. G. Irvin | 63 | Head | Farmer | Tennessee |
| 6 | Anabel Irvin | 58 | Wife | — | Illinois |
| 7 | Frank Gray | 72 | Head | Farmer | Indiana |
| 8 | Francis Gray | 60 | Wife | — | Illinois |
| 9 | Harvey Gray | 74 | Brother | — | Indiana |
| 10 | Cornelius Bryant | 58 | Head | Farmer | Illinois |
| 11 | Agnes Bryant | 55 | Wife | — | Illinois |
| 12 | Dora Johnson | 61 | Head | — | Illinois |
| 13 | Ruth Johnson | 35 | Daughter | — | Illinois |
| 14 | Ralph Johnson THIS PERSON | 28 | Son | Farmer | Illinois |
| 15 | Earl Johnson | 19 | Son | Laborer | Illinois |
| 16 | Ebert May | 32 | Head | Laborer | Illinois |
| 17 | Fanny May | 21 | Wife | — | Arkansas |
| 18 | Clifford May | 10 | Son | — | Illinois |
| 19 | Oscar May | 64 | Father | Farmer | Illinois |
| 20 | Augusta Cobble | 76 | Head | — | Illinois |
| 21 | Pearl Cobble | 44 | Daughter | Farmer | Illinois |
| 22 | George Bostol | 61 | Head | Farmer | Norway |
| 23 | Grace Bostol | 51 | Wife | — | Illinois |
| 24 | Sybil Beattie | 62 | Lodger | — | Illinois |
| 25 | Cecil P. Bailey | 71 | Head | — | Illinois |
| 26 | Marion Bailey | 25 | Son | Common Laborer | Illinois |
| 27 | Dorothy Bailey | 22 | Daughter in law | — | Illinois |
| 28 | Ruby James | 17 | Grand daughter | Housekeeper | Illinois |
| 29 | Anderson Boster | 52 | Head | Teamster | Illinois |
| 30 | Edna Boster | 46 | Wife | — | Kansas |
| 31 | Novella Jane Boster | 14 | Daughter | — | Kansas |
| 32 | Ben Robert Boster | 12 | Son | — | Oklahoma |
| 33 | Laura L. Greer | 55 | Head | — | Missouri |
| 34 | Maurice Ab Greer | 20 | Son | — | Illinois |
| 35 | Donald Greer | 18 | Son | — | Illinois |
| 36 | Charles Greer | 13 | Son | — | Illinois |
| 37 | Richard Aydt | 24 | Son in law | Farmer | Illinois |
| 38 | Lois Aydt | 23 | Daughter | — | Illinois |
| 39 | Jerry Aydt | 3 | Grand son | — | Illinois |
| 40 | Richard Hall Aydt | 1 | Grand son | — | Illinois |
Pedigree Summary
Ralph + 2 siblings
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)