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Charles Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Carlson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Frieda — first a son (b.~1912), then head of a 9-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Estimator |
| Industry | Finance Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2668 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Estimator |
| Township / Ward | Chicago |
| Est. Birth Year | ~1912 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Helen Carlson | Daughter | — | 18 | ~1922 |
| Thomas Carlson | Head | — | 57 | ~1883 |
| Peter Johnson | Other | — | 60 | ~1880 |
| Ellen Johnson | Other | — | 73 | ~1867 |
| M Johnson | Other | — | 71 | ~1869 |
| Robert Carlson | Son | — | 30 | ~1910 |
| George Carlson | Son | — | 13 | ~1927 |
| Charles Carlson | Son | — | 28 | ~1912 |
| Gertrude Carlson | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Son, age 17
Cook, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 28
Cook-County, Illinois · implied b. ~1912 — 9 household members
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Estimator |
| Industry | Finance Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2668 |
| Highest Grade | Hs 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 Charles Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Carlson (~0.92 confidence) and mother Frieda Carlson (~0.92 confidence) and father Thomas Carlson (~0.92 confidence) and mother Gertrude Carlson (~0.92 confidence) and father Nels Carlson (~0.92 confidence) and mother Valborg Carlson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Carlson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Frieda Carlson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Thomas Carlson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Gertrude Carlson
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Nels Carlson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Valborg Carlson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Carlson
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Helen Carlson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Carlson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Carlson
Sibling · 1940 · age 30
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01021-00228)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patsy Malone | 10 | Daughter | — | Illinois |
| 2 | Josephine Thompson | 57 | Housekeeper | Housekeeper | Illinois |
| 3 | William Valiquet | 40 | Head | Proprietor | Massachusetts |
| 4 | Katherine Valiquet | 38 | Wife | — | New York |
| 5 | William Valiquet | 16 | Son | — | Massachusetts |
| 6 | Robert Valiquet | 15 | Son | — | New York |
| 7 | John Valiquet | 12 | Son | — | Massachusetts |
| 8 | Thomas Carlson | 57 | Head | Sales Man | Illinois |
| 9 | Gertrude Carlson | 56 | Wife | — | Illinois |
| 10 | Robert Carlson | 30 | Son | Junior Accountant | Illinois |
| 11 | Charles Carlson THIS PERSON | 28 | Son | Estimator | Illinois |
| 12 | Helen Marie Carlson | 18 | Daughter | — | Illinois |
| 13 | George Carlson | 13 | Son | — | Illinois |
| 14 | Peter Johnson | 60 | Brother in law | Cashier | Illinois |
| 15 | Ellen Johnson | 73 | Sister in law | — | Illinois |
| 16 | M. Elizabeth Johnson | 71 | Sister in law | — | Illinois |
| 17 | Stephen Allie | 41 | Head | Attorney | Nebraska |
| 18 | Mildred Allie | 36 | Wife | — | Illinois |
| 19 | Stephen Allie | 12 | Son | — | Illinois |
| 20 | Patricia Allie | 11 | Daughter | — | Illinois |
| 21 | Mildred Allie | 9 | Daughter | — | Illinois |
| 22 | John Hintz | 62 | Head | Janitor | Hungary |
| 23 | Theresa Hintz | 56 | Wife | — | Hungary |
| 24 | John Hintz | 34 | Son | Elevator Operator | Illinois |
| 25 | Willard Chabot | 25 | Head | Bookkeeper | Illinois |
| 26 | Pearl Chabot | 23 | Wife | Sales Clerk | Illinois |
| 27 | Sandra Jean Chabot | 3 | Daughter | — | Illinois |
| 28 | Joseph Frisch | 51 | Head | Sales Man | Wisconsin |
| 29 | Margaret Frisch | 37 | Wife | — | Wisconsin |
| 30 | Emily Lawrence Frisch | 39 | Sister in law | Professor | Wisconsin |
| 31 | William Woodruff | 41 | Head | District Manager | Maine |
| 32 | Maxine Woodruff | 27 | Wife | — | Michigan |
| 33 | William Woodruff | 5 | Son | — | Illinois |
| 34 | John Woodruff | 3 | Son | — | Illinois |
| 35 | Jean Bollig | 24 | Servant | Servant | Illinois |
| 36 | Three Words Black | None | — | — | — |
| 37 | Edmond Burke | 26 | Head | Medical Doctor | Illinois |
| 38 | Anna Burke | 35 | Wife | School Teacher | Illinois |
| 39 | Thomas Mcsheehy | 51 | Head | Sales Manager | Indiana |
| 40 | Hazel Mcsheehy | 51 | Wife | — | Indiana |
Related Census Records
Pedigree Summary
Charles + 3 siblings
Gen 1 · 6 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)