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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 Clara & Harry — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
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 | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 832 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Office Clerk |
| Township / Ward | Chicago |
| Est. Birth Year | ~1918 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Shirley Carlson | Daughter | — | 15 | ~1925 |
| Emily Carlson | Daughter | — | 20 | ~1920 |
| Harry Carlson | Head | — | 46 | ~1894 |
| Charles Carlson | Son | — | 22 | ~1918 |
| Clara Carlson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 22
Cook-County, Illinois · implied b. ~1918 — 5 household members
| Surname | Carlson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Office Clerk |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 832 |
| Highest Grade | C 2 |
| 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: mother Clara Carlson (~0.92 confidence) and father Harry Carlson (~0.92 confidence) and father Harry Carlson (~0.92 confidence) and mother Clara Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Clara Carlson
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Harry Carlson
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Harry Carlson
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Clara Carlson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Carlson
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Emily Carlson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Carlson
Sibling · 1940 · age 15
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-t0627-01011-00393)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucie Patzold | 48 | Wife | — | Germany |
| 2 | Jack Patzold | 26 | Son | Supervisor | Illinois |
| 3 | Hamilton Mackay | 46 | Head | Police Officer | Illinois |
| 4 | Margaret Mackay | 45 | Wife | — | Illinois |
| 5 | James Mackay | 13 | Son | — | Illinois |
| 6 | Victor Breitenstein | 40 | Head | Research Worker | Austria |
| 7 | Helena Breitenstein | 39 | Wife | — | Hungary |
| 8 | Victor Breitenstein | 11 | Son | — | Illinois |
| 9 | Anna Schuck | 67 | Aunt | — | Hungary |
| 10 | Harry Carlson | 46 | Head | Patrolman | Illinois |
| 11 | Clara Carlson | 44 | Wife | — | Illinois |
| 12 | Shirley Carlson | 15 | Daughter | — | Illinois |
| 13 | Charles Carlson THIS PERSON | 22 | Son | Office Clerk | Illinois |
| 14 | Emily Carlson | 20 | Daughter | Office Clerk | Illinois |
| 15 | Charles Anderson | 57 | Head | Foreman | Sweden |
| 16 | Claire Anderson | 51 | Wife | — | Illinois |
| 17 | Margaret Effertz | 83 | Mother-in-law | — | Germany |
| 18 | Ernest Simon | 41 | Head | Machinist | Illinois |
| 19 | Lucille Simon | 40 | Wife | — | Austria |
| 20 | John Simon | 73 | Father | — | Germany |
| 21 | Warren Stone | 46 | Head | Electrician | Austria |
| 22 | Jane Stone | 40 | Wife | Seamstress | Austria |
| 23 | Peggy Stone | 18 | Daughter | — | Ohio |
| 24 | John Johnson | 56 | Head | Chief Engineer | Minnesota |
| 25 | H. Anna Johnson | 47 | Wife | — | Illinois |
| 26 | Virginia Johnson | 19 | Daughter | — | Illinois |
| 27 | Eleanor Johnson | 16 | Daughter | — | Illinois |
| 28 | Joseph Snyers | 46 | Head | Tool Maker | Belgium |
| 29 | Susan Snyers | 38 | Wife | — | Belgium |
| 30 | Doris Snyers | 8 | Daughter | — | Illinois |
| 31 | Ernest Ghyssaert | 58 | Brother-in-law | Teacher | Belgium |
| 32 | Elmire Ghyssaert | 58 | Sister-in-law | — | Belgium |
| 33 | Theodore Parke | 71 | Head | — | Germany |
| 34 | Trina Parke | 76 | Wife | — | Germany |
| 35 | Anna Rich | 61 | Head | — | Illinois |
| 36 | J. Mihalowski | 33 | Lodger | Craftsman | Pennsylvania |
| 37 | Anton Nicholas | 50 | Head | Mill Worker | Roumania |
| 38 | Eva Nicholas | 45 | Wife | — | Roumania |
| 39 | Joseph Kaberlein | 30 | Head | Teacher | Russia |
| 40 | Virginia Kaberlein | 24 | Wife | — | Illinois |
Pedigree Summary
Charles + 2 siblings
Gen 1 · 4 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)