CJ
Clyde Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Clyde Johnson across the 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Johnson |
| Given Name | Clyde |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Fireworks Station |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Fireworks Station |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clyde | Age | Birth yr |
|---|---|---|---|---|
| Ollie Johnson | Spouse | — | 48 | ~1892 |
| Bailey Johnson | Son | — | 5 | ~1935 |
| Clyde Johnson | Son | — | 10 | ~1930 |
| Callie Johnson | Daughter | — | 9 | ~1931 |
| Odale Johnson | Son | — | 14 | ~1926 |
| Delano Johnson | Daughter | — | 7 | ~1933 |
| Joe Johnson | Son | — | 12 | ~1928 |
| Harrison Johnson | Son | — | 21 | ~1919 |
| Ela Johnson | Son | — | 17 | ~1923 |
| William Johnson | Head | — | 58 | ~1882 |
| Earl Johnson | Son | — | 23 | ~1917 |
Census Appearances
1930
St Clair, …
Son, age
St Clair, Illinois · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Clyde |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Mississippi |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Son, age 10
St.-Clair-County, Illinois · implied b. ~1930 — 11 household members
| Surname | Johnson |
| Given Name | Clyde |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Fireworks Station |
| 1935 Residence (County) | St. Clair |
| Industry | 0 |
| Highest Grade | 3 |
| 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 Clyde Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clyde Johnson
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Ela Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odale Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delano Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Callie Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Johnson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bailey Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harrison Johnson
Sibling · 1940 · age 21
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 — 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-t0627-00879-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maggie Ratliff | 19 | Daughter | Hand Craft | Illinois |
| 2 | Josiah Ratliff | 15 | Son | — | Illinois |
| 3 | Claude Jr. Ratliff | 12 | Son | — | Illinois |
| 4 | Esau Tolson | 23 | Head | Butler | Illinois |
| 5 | Jesse Tolson | 21 | Wife | — | Georgia |
| 6 | James Tolson | 20 | Brother | Car Washer | Illinois |
| 7 | Titus Tolson | 12 | Brother | — | Illinois |
| 8 | William Bizer | 78 | Head | — | Tenn. |
| 9 | Ida Bizer | 48 | Wife | — | Alabama |
| 10 | Chas John Sauls | 23 | Head | Tiling Layer | Illinois |
| 11 | Margaret Sauls | 30 | Wife | — | Kentucky |
| 12 | David Brown | 43 | Head | Sampler | Mississippi |
| 13 | William Johnson | 58 | Head | Land Scaper | Alabama |
| 14 | Ollie Johnson | 48 | Wife | — | Mississippi |
| 15 | Harrison Johnson | 21 | Son | New Worker | Mississippi |
| 16 | Earl Johnson | 23 | Son | M. Draftman | Mississippi |
| 17 | Ela Johnson | 17 | Son | Asst. Cook | Mississippi |
| 18 | Odale Johnson | 14 | Son | — | Illinois |
| 19 | Joe Johnson | 12 | Son | — | Illinois |
| 20 | Clyde Johnson THIS PERSON | 10 | Son | — | Illinois |
| 21 | Callie B. Johnson | 9 | Daughter | — | Illinois |
| 22 | Delano Johnson | 7 | Daughter | — | Illinois |
| 23 | Bailey Johnson | 5 | Son | — | Illinois |
| 24 | Frank Cash | 49 | Head | Farmer | Tenn. |
| 25 | Estella Cash | 34 | Wife | House Keeping | Mississippi |
| 26 | Frank Jr. Cash | 15 | Son | — | Missouri |
| 27 | Pearl Cash | 14 | Daughter | — | Arkansas |
| 28 | Marshall Cash | 12 | Son | — | Arkansas |
| 29 | David S. Dunn | 51 | Head | Brick Layer | Mississippi |
| 30 | Thelma Dunn | 25 | Wife | — | Miss. |
| 31 | Bonnie Dunn | 4 | Son | — | Illinois |
| 32 | Will Dean | 48 | Head | Laborer | Tenn. |
| 33 | Georgia Dean | 22 | Wife | — | Mississippi |
| 34 | Catherine Dean | 5 | Daughter | — | Illinois |
| 35 | Curtis Rich | 35 | Head | Chipper | Mississippi |
| 36 | Willie Rich | 32 | Wife | — | Mississippi |
| 37 | Edward Rich | 13 | Son | — | Mississippi |
| 38 | Elizabeth Rich | 12 | Daughter | — | Mississippi |
| 39 | Lucille Rich | 10 | Daughter | — | Mississippi |
| 40 | Hallie Mach | 75 | Head | — | Mississippi |
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)