RJ
Ralph Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Ralph Johnson across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed), with identified parents Arthur & Bessie — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Johnson |
| Given Name | Ralph L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | laborer |
| Industry | hospital |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Decatur |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 8 | ~1932 |
| Ralph Johnson | Head | — | 34 | ~1906 |
| James Johnson | Son | — | 4 | ~1936 |
| Lois Johnson | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Macon, Illinois
Son, age 13
Macon, Illinois · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 24
Macon, Illinois · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | Farm Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Head, age 34
Macon-County, Illinois · implied b. ~1906 — 4 household members
| Surname | Johnson |
| Given Name | Ralph L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Occupation | laborer |
| Industry | hospital |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| 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 Arthur Johnson (~0.92 confidence) and mother Bessie Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Johnson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Bessie Johnson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Johnson
Head · 1940 · age 34 · b. ~1906 · Illinois
★ 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 — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00845-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earl C Cowger | 26 | Head | Driver | Illinois |
| 42 | Marie Cowger | 21 | Wife | H | Illinois |
| 43 | Shirley Cowger | 5 | Daughter | — | Illinois |
| 44 | Michael Cowger | 3 | Son | — | Illinois |
| 45 | Fayne Zimmera | 28 | Cousin | Driver | Illinois |
| 46 | Frank Rucker | 62 | Head | Laborer | Illinois |
| 47 | Viola Rucker | 52 | Wife | H | Illinois |
| 48 | Ralph L Johnson THIS PERSON | 34 | Head | Laborer | Illinois |
| 49 | Lois P Johnson | 28 | Wife | H | Kentucky |
| 50 | Alice E Johnson | 8 | Daughter | — | Illinois |
| 51 | James A Johnson | 4 | Son | — | Illinois |
| 52 | Donald R Carter | 30 | Head | Assembly | Illinois |
| 53 | Myrtle R Carter | 27 | Wife | H | Illinois |
| 54 | Eugene M Carter | 7 | Son | — | Illinois |
| 55 | James E Ross | 37 | Head | Repair Man | Illinois |
| 56 | Letitia Ross | 81 | Mother | H | Pennsylvania |
| 57 | Glenn E Virden | 26 | Head | Laborer | Illinois |
| 58 | Flossie Virden | 22 | Wife | H | Illinois |
| 59 | Doris L Virden | 4 | Daughter | — | Illinois |
| 60 | Donald E Virden | 1 | Son | — | Illinois |
| 61 | James A Speagle | 55 | Uncle | Laborer | Illinois |
| 62 | Andrew G Mullins | 36 | Head | Laborer | Illinois |
| 63 | Pauline Mullins | 21 | Wife | H | Illinois |
| 64 | Shirley J Mullins | 4 | Daughter | — | Illinois |
| 65 | Elizabeth Stout | 36 | Head | House Keeper | Illinois |
| 66 | Clyde T White | 22 | Head | Laborer | Kentucky |
| 67 | Roma White | 21 | Wife | H | Illinois |
| 68 | Sherrel T White | 2 | Son | — | Illinois |
| 69 | Catherine L White | 1 | Daughter | — | Illinois |
| 70 | Bryan Rucker | 36 | Head | Laborer | Missouri |
| 71 | Ethel Rucker | 24 | Wife | H | Illinois |
| 72 | George F Farr | 48 | Head | Brick Layer | Illinois |
| 73 | Atha Farr | 53 | Wife | H | Illinois |
| 74 | Woodrow Williamson | 24 | Head | Fender & Body | Illinois |
| 75 | Thelma Williamson | 22 | Wife | H | Illinois |
| 76 | Gerald Williamson | 2 | Son | — | Illinois |
| 77 | Patricia Williamson | 1 | Daughter | — | Illinois |
| 78 | Thomas D Mayberry | 34 | Head | Laborer | Illinois |
| 79 | Lucille C Mayberry | 33 | Wife | H | Illinois |
| 80 | Geraldine L Mayberry | 13 | Daughter | — | Illinois |
Pedigree Summary
Ralph
Gen 1 · 2 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)