RC
Ruth Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Carlson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Emilia & Victor — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Retail Dress Shop |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1917 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Roland Carlson | Son | — | 11 | ~1929 |
| Ruth Carlson | Daughter | — | 23 | ~1917 |
| Jennie Carlson | Spouse | — | 51 | ~1889 |
| Martha Carlson | Daughter | — | 25 | ~1915 |
| David Carlson | Head | — | 53 | ~1887 |
Census Appearances
1920
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 23
Cook-County, Illinois · implied b. ~1917 — 5 household members
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Stenographer |
| Industry | Retail Dress Shop |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 1000 |
| Highest Grade | H 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 Ruth Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emilia Carlson (~0.92 confidence) and father Victor Carlson (~0.92 confidence) and father David Carlson (~0.92 confidence) and father Axel Carlson (~0.92 confidence) and mother Jennie Carlson (~0.92 confidence) and mother Ellen Carlson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emilia Carlson
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Victor Carlson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
David Carlson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Axel Carlson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Jennie Carlson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Ellen Carlson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Carlson
Daughter · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Roland Carlson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Carlson
Sibling · 1940 · age 25
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-t0627-01001-00165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leon Steinberg | 30 | Head | Bread Baker | New York |
| 2 | Dorothy Steinberg | 30 | Wife | — | Russia |
| 3 | Janice Steinberg | 5 | Daughter | — | Illinois |
| 4 | Morris Ragozinsky | 51 | Head | Tailor | Lithuania |
| 5 | Rose Ragozinsky | 48 | Wife | — | Lithuania |
| 6 | Dorothy Ragozinsky | 19 | Daughter | Stenographer | Illinois |
| 7 | Harvey H. Copeland | 39 | Head | Sales Manager | Russia |
| 8 | Lillian Copeland | 33 | Wife | — | Russia |
| 9 | Donald Copeland | 9 | Son | — | Illinois |
| 10 | Edmund Copeland | 6 | Son | — | Illinois |
| 11 | George Weintraub | 29 | Head | Meat Salesman | Illinois |
| 12 | Estelle Weintraub | 26 | Wife | — | Illinois |
| 13 | Jerry Weintraub | 4 | Daughter | — | Illinois |
| 14 | Paul Benson | 58 | Head | Repairman | Norway |
| 15 | Bertha Benson | 58 | Wife | — | Norway |
| 16 | Isadore Kremensky | 41 | Head | Sales Manager | Russia |
| 17 | Fannie Kremensky | 36 | Wife | — | Russia |
| 18 | Rita Rae Kremensky | 12 | Daughter | — | South Dakota |
| 19 | Elayne Joan Kremensky | 7 | Daughter | — | Illinois |
| 20 | Paul Serpico | 60 | Head | Examiner | Italy |
| 21 | Maggie Serpico | 50 | Wife | — | Pennsylvania |
| 22 | Leonard Serpico | 16 | Son | Sales Clerk | Illinois |
| 23 | Mildred Serpico | 10 | Daughter | — | Illinois |
| 24 | Benjamin Gunther | 36 | Head | Electrician | Illinois |
| 25 | Barber Gunther | 34 | Wife | — | Illinois |
| 26 | Marianne Gunther | 10 | Daughter | — | Illinois |
| 27 | Emma Larson | 63 | Head | — | Sweden |
| 28 | Esther Larson | 27 | Daughter | Saleslady | Illinois |
| 29 | Gust E. Johnson | 56 | Head | Clergyman | Sweden |
| 30 | Emma W. Johnson | 56 | Wife | — | Sweden |
| 31 | Arlene Johnson | 22 | Daughter | School Teacher | California |
| 32 | Jeanette Johnson | 15 | Daughter | — | Washington |
| 33 | David Carlson | 53 | Head | Steamfitter | Sweden |
| 34 | Jennie Carlson | 51 | Wife | — | Sweden |
| 35 | Ruth Carlson THIS PERSON | 23 | Daughter | Stenographer | Illinois |
| 36 | Martha Carlson | 25 | Daughter | Piano Teacher | Illinois |
| 37 | Roland Carlson | 11 | Son | — | Illinois |
| 38 | Christina Trenty | 77 | Head | — | Sweden |
| 39 | Herbert Trenty | 33 | Son | Tire Salesman | Illinois |
| 40 | Newel Schreifer | 28 | Head | Asst Manager | Iowa |
Pedigree Summary
Ruth + 2 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)