SJ
Samuel Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Samuel Johnson across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed), with identified parents Albert & Henry — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Johnson |
| Given Name | Samuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | East St Louis |
| Est. Birth Year | ~1913 |
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 Samuel | Age | Birth yr |
|---|---|---|---|---|
| Vera Johnson | Daughter | — | 11 | ~1929 |
| Samuel Johnson | Head | — | 27 | ~1913 |
| Anna Johnson | Other | — | 67 | ~1873 |
Census Appearances
1920
St Clair, …
Son, age 6
St Clair, Illinois · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sammy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
St Clair, …
Son, age 17
St Clair, Illinois · implied b. ~1913 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sammy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Head, age 27
St.-Clair-County, Illinois · implied b. ~1913 — 3 household members
| Surname | Johnson |
| Given Name | Samuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| 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 Samuel Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Johnson (~0.92 confidence) and father Henry Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Henry Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Samuel Johnson
Head · 1940 · age 27 · b. ~1913 · 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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00880-00976)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Larry Davis | 1 | Son | — | Illinois |
| 42 | Mack Bradley | 33 | Head | Housebuilder | Kentucky |
| 43 | Obediah Fuerst | 39 | Head | Laborer | Mississippi |
| 44 | Louise Fuerst | 29 | Wife | — | Mississippi |
| 45 | Peggy Jean Fuerst | 7 | Daughter | — | Missouri |
| 46 | Fuerst | 3 | Daughter | — | Missouri |
| 47 | John D. Nelson | 43 | Head | Laborer | Mississippi |
| 48 | Nancy Nelson | 40 | Wife | — | Louisiana |
| 49 | Memphis Nelson | 18 | Daughter | Music | Mississippi |
| 50 | Melvin Nelson | 15 | Son | — | Illinois |
| 51 | Samuel Johnson THIS PERSON | 27 | Head | Laborer | Illinois |
| 52 | Anna Johnson | 67 | Mother | — | Tennessee |
| 53 | Vera Johnson | 11 | Daughter | — | Illinois |
| 54 | Dewey Rickett | 41 | Head | Laborer | Mississippi |
| 55 | Essie Lee Rickett | 36 | Wife | — | Mississippi |
| 56 | Annie Bennett | 27 | Sister | Housework | Mississippi |
| 57 | Benjamin Mcknight | 46 | Head | Laborer | Mississippi |
| 58 | Dora Mcknight | 42 | Wife | — | Mississippi |
| 59 | Alma J. Mcknight | 15 | Daughter | — | Mississippi |
| 60 | Thos. Smith | 64 | Head | Laborer | Alabama |
| 61 | Irene Smith | 52 | Wife | — | Missouri |
| 62 | Noah Townsend | 19 | Son | New Worker | Missouri |
| 63 | Daniel Green | 55 | Roomer | Laborer | Texas |
| 64 | Isaac Renfro | 33 | Head | — | Tennessee |
| 65 | Annie E. Renfro | 12 | Daughter | — | Illinois |
| 66 | Huston Davis | 35 | Head | Laborer | Texas |
| 67 | A. B. Nolan | 37 | Head | Laborer | Mississippi |
| 68 | Isadore Nolan | 32 | Wife | — | Mississippi |
| 69 | Clarence Nolan | 13 | Son | — | Illinois |
| 70 | Fanny Stills | 43 | Head | — | Arkansas |
| 71 | Lillian Holland | 43 | Lodger | Laundress | Alabama |
| 72 | Archie Fisher | 25 | Brother | Laborer | Alabama |
| 73 | Mary Williams | 75 | Head | — | Kentucky |
| 74 | Ethel Williams | 34 | Daughter | Sewing | Kentucky |
| 75 | Bill Seigler | 68 | Head | — | Arkansas |
| 76 | Alberta Hart | 40 | Roomer | — | Mississippi |
| 77 | Isadora Miller | 27 | Head | Porter | Mississippi |
| 78 | Hanson Miller | 2 | Son | — | Mississippi |
| 79 | Patrick Irish | 48 | Roomer | Laborer | Tennessee |
| 80 | Marshall Hart | 41 | Head | Laborer | Arkansas |
Pedigree Summary
Samuel
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)