CJ
Carol Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Illinois
Our Model Tree links this Carol Johnson across the 1930 and 1940 US Censuses in Warren-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 5-person household.
Age 13
b. ~1927
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Illinois |
| Surname | Johnson |
| Given Name | Carol |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Floyd |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Floyd |
| Est. Birth Year | ~1927 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carol | Age | Birth yr |
|---|---|---|---|---|
| Mary Johnson | Daughter | — | 24 | ~1916 |
| Hazel Johnson | Spouse | — | 46 | ~1894 |
| Carol Johnson | Daughter | — | 13 | ~1927 |
| Mallom Johnson | Head | — | 49 | ~1891 |
| Margaret Johnson | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Warren, Illinois
Daughter, age 3
Warren, Illinois · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Carol |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Warren-County, Illinois
Daughter, age 13
Warren-County, Illinois · implied b. ~1927 — 5 household members
| Surname | Johnson |
| Given Name | Carol |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Floyd |
| 1935 Residence (County) | Warren |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 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 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 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Mary Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret 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 — Warren-County, Illinois
Open full size
1940 US Federal Census — Warren-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00901-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Glen Foster | 34 | Hired Hand | Laborer | Illinois |
| 42 | Charles Stegall | 48 | Head | Farmer | Illinois |
| 43 | Nora Stegall | 46 | Wife | Worker | Illinois |
| 44 | Lloyd Stegall | 19 | Son | Worker | Illinois |
| 45 | Rex Stegall | 16 | Son | — | Illinois |
| 46 | R. T. Harshbarger | 50 | Head | Farmer | Illinois |
| 47 | Nellie Harshbarger | 51 | Wife | — | Illinois |
| 48 | Richard Harshbarger | 22 | Son | Farmer | Illinois |
| 49 | Raymond Johnson | 33 | Head | Teacher | Illinois |
| 50 | Lola Johnson | 23 | Wife | — | Ohio |
| 51 | Ray Howard Johnson | 1 | Son | — | Illinois |
| 52 | James Dunn | 21 | Head | Farm Hand | Illinois |
| 53 | Helen Dunn | 20 | Wife | Worker | Illinois |
| 54 | Sherman Dunn | 53 | Head | Farmer | Illinois |
| 55 | Jennie Dunn | 50 | Wife | — | Illinois |
| 56 | Robert Dunn | 17 | Son | — | Illinois |
| 57 | Ruby Dunn | 15 | Daughter | — | Illinois |
| 58 | Mallom Johnson | 49 | Head | Farmer | Illinois |
| 59 | Hazel Johnson | 46 | Wife | — | Illinois |
| 60 | Mary Johnson | 24 | Daughter | Teacher | Illinois |
| 61 | Margaret Johnson | 19 | Daughter | — | Illinois |
| 62 | Carol Johnson THIS PERSON | 13 | Daughter | — | Illinois |
| 63 | Loren Hulick | 30 | Head | Farmer | Illinois |
| 64 | Louise Hulick | 23 | Wife | — | Illinois |
| 65 | Earl G. Mitchell | 42 | Head | Farmer | Illinois |
| 66 | Emelia Mitchell | 40 | Wife | — | Illinois |
| 67 | Earl Jr. Mitchell | 14 | Son | — | Illinois |
| 68 | Marilyn Mitchell | 10 | Daughter | — | Illinois |
| 69 | Richard Mitchell | 5 | Son | — | Illinois |
| 70 | George Mitchell | 76 | Father | — | Illinois |
| 71 | Donald Peterson | 30 | Head | Farmer | Illinois |
| 72 | Clare Peterson | 30 | Wife | — | Illinois |
| 73 | Joyce Peterson | 2 | Daughter | — | Illinois |
| 74 | June Peterson | 0 | Daughter | — | Illinois |
| 75 | Harry Adwell | 36 | Head | Farm Hand | Kentucky |
| 76 | Lucille Adwell | 34 | Wife | — | Kentucky |
| 77 | Herman Adwell | 13 | Son | — | Kentucky |
| 78 | Shirley Adwell | 9 | Daughter | — | Illinois |
| 79 | Cloral Anderson | 34 | Head | Farm Hand | Arkansas |
| 80 | Jewel Anderson | 27 | Wife | — | Missouri |
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)