CJ
Carol Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Carol Johnson across the 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 4-person household.
Age 10
b. ~1930
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Johnson |
| Given Name | Carol Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Moline City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carol | Age | Birth yr |
|---|---|---|---|---|
| Carol Johnson | Daughter | — | 10 | ~1930 |
| Carl Johnson | Head | — | 32 | ~1908 |
| Janet Johnson | Daughter | — | 2 | ~1938 |
| Margaret Johnson | Spouse | — | 29 | ~1911 |
Census Appearances
1930
Rock Island, …
Daughter, age
Rock Island, Illinois · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Carol J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Daughter, age 10
Rock-Island-County, Illinois · implied b. ~1930 — 4 household members
| Surname | Johnson |
| Given Name | Carol Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Highest Grade | No 4 |
| 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 Carol Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Carol Johnson
Daughter · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Janet Johnson
Sibling · 1940 · age 2
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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00993)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence M. Baker | 21 | Son | Machinist | Illinois |
| 2 | Dorothy L. Baker | 18 | Daughter | Waitress | Illinois |
| 3 | Harry C. Veraluis | 31 | Head | Fireman | Illinois |
| 4 | Janet Veraluis | 30 | Wife | — | Scotland |
| 5 | Barbara A. Veraluis | 12 | Daughter | — | Illinois |
| 6 | Glenn Ford | 40 | Head | Assistant Supt. | Indiana |
| 7 | Alma Ford | 34 | Wife | — | Indiana |
| 8 | Dean Ford | 3 | Son | — | Illinois |
| 9 | Carl D. Johnson | 32 | Head | Machinist | Illinois |
| 10 | Margaret Johnson | 29 | Wife | — | Illinois |
| 11 | Carol Jane Johnson THIS PERSON | 10 | Daughter | — | Illinois |
| 12 | Janet Johnson | 2 | Daughter | — | Illinois |
| 13 | Carl S. Lindstrom | 26 | Head | Assembler | Illinois |
| 14 | Dorothy Lindstrom | 25 | Wife | — | Illinois |
| 15 | Carl S. Lindstrom | 2 | Son | — | Illinois |
| 16 | Alfred Veraluis | 72 | Head | — | Belgium |
| 17 | Emma Veraluis | 66 | Wife | — | Belgium |
| 18 | Albert Veraluis | 22 | Son | Shipping Clerk | Illinois |
| 19 | Alice Dufour | 27 | Daughter | — | Illinois |
| 20 | Ideal Dufour | 29 | Son-in-law | Machinist | Illinois |
| 21 | Charles Van De Steene | 70 | Head | — | Belgium |
| 22 | Prudence Van De Steene | 74 | Wife | — | Belgium |
| 23 | Albin De Poorter | 64 | Head | Farmer | Belgium |
| 24 | Melanie De Poorter | 64 | Wife | — | Belgium |
| 25 | Julia De Poorter | 31 | Daughter | Nurse | Illinois |
| 26 | Lawrence De Poorter | 25 | Son | Propagator | Illinois |
| 27 | Jules Van Paemel | 54 | Head | Bartender | Belgium |
| 28 | Emma Van Paemel | 54 | Wife | — | Belgium |
| 29 | Maurice Van Paemel | 33 | Son | Bartender | Belgium |
| 30 | Leo Van Paemel | 26 | Son | Bartender | Illinois |
| 31 | Lloyd Longwith | 35 | Head | Laborer | Missouri |
| 32 | June Longwith | 32 | Wife | — | Illinois |
| 33 | Alice Longwith | 8 | Daughter | — | Illinois |
| 34 | Robert Longwith | 5 | Son | — | Illinois |
| 35 | Lloyd Longwith | 2 | Son | — | Illinois |
| 36 | Peter Claeys | 37 | Head | Laborer | New Jersey |
| 37 | Mary Claeys | 31 | Wife | — | Illinois |
| 38 | Katherine Claeys | 14 | Daughter | — | Iowa |
| 39 | Jean Claeys | 9 | Daughter | — | Illinois |
| 40 | Charles Claeys | 7 | Son | — | Illinois |
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)