RC
Robert Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Robert Carlson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Natalia — first a head (b.~1897), then head of a 4-person household.
Age 43
b. ~1897
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Salesman |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 84 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1897 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Carlson | Head | — | 43 | ~1897 |
| Betty Carlson | Daughter | — | 13 | ~1927 |
| Ronald Carlson | Son | — | 1 | ~1939 |
| Blanche Carlson | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Order Clerk |
| Industry | Plumbing Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Home Value / Rent | R |
| Radio Set | 25 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 43
Cook-County, Illinois · implied b. ~1897 — 4 household members
| Surname | Carlson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 84 |
| Income (1939) | 2000 |
| Highest Grade | 8 |
| 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 Robert Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Natalia Carlson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Natalia Carlson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carlson
Head · 1940 · age 43 · b. ~1897 · Illinois
★ You are viewing this record
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-t0627-00940-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Stegenga | 44 | Head | Milkman | Illinois |
| 42 | Annie Stegenga | 44 | Wife | — | Illinois |
| 43 | Elaine Stegenga | 10 | Daughter | — | Illinois |
| 44 | Henry Stegenga | 8 | Son | — | Illinois |
| 45 | John Stegenga | 3 | Son | — | Illinois |
| 46 | Charles Yetter | 32 | Head | Mechanic Adv. | Illinois |
| 47 | Ethel Yetter | 33 | Wife | — | Illinois |
| 48 | Joyce Yetter | 1 | Daughter | — | Illinois |
| 49 | Frank Rogers | 58 | Head | Watchman | Holland |
| 50 | Minnie Rogers | 56 | Wife | — | Holland |
| 51 | Augusta Carlson | 70 | Head | — | Sweden |
| 52 | Carl Mork | 68 | Roomer | — | Sweden |
| 53 | Robert Carlson THIS PERSON | 43 | Head | Salesman | Illinois |
| 54 | Blanche Carlson | 35 | Wife | — | Tennessee |
| 55 | Betty Jeanne Carlson | 13 | Daughter | — | Indiana |
| 56 | Ronald Carlson | 1 | Son | — | Illinois |
| 57 | Harry Bakker | 56 | Head | Manager | Illinois |
| 58 | Signey Bakker | 44 | Wife | Bookkeeper | Illinois |
| 59 | Thure Johnson | 39 | Boarder | Painter | Sweden |
| 60 | Richard Bakker | 26 | Head | Roller | Illinois |
| 61 | Lucile Bakker | 23 | Wife | — | Illinois |
| 62 | Richard H. Bakker | 3 | Son | — | Illinois |
| 63 | James Bakker | 2 | Son | — | Illinois |
| 64 | Swan R. Strom | 51 | Head | Temple Maker | Sweden |
| 65 | Ella Strom | 51 | Wife | — | Illinois |
| 66 | Morris Strom | 25 | Son | Office Clerk | Illinois |
| 67 | Doris Strom | 21 | Daughter | Stenographer | Illinois |
| 68 | Charles Breitling | 39 | Head | Stockkeeper | Illinois |
| 69 | Cecile Breitling | 36 | Wife | — | Illinois |
| 70 | Dorothy Breitling | 16 | Daughter | — | Illinois |
| 71 | Robert Breitling | 11 | Son | — | Illinois |
| 72 | Ron Cassells | 34 | Head | Rug Cleaner | Illinois |
| 73 | Margaret Cassells | 31 | Wife | — | Illinois |
| 74 | Dolores Cassells | 4 | Daughter | — | Illinois |
| 75 | Edna Cassells | 2 | Daughter | — | Illinois |
| 76 | Frank Vanderlinden | 22 | Head | — | Illinois |
| 77 | Hannah Vanderlinden | 70 | Wife | — | Illinois |
| 78 | Mabel Vanderlinden | 43 | Daughter | — | Illinois |
| 79 | John Schependink | 27 | Head | Coin Collector | Illinois |
| 80 | Janet Schependink | 26 | Wife | — | Illinois |
Pedigree Summary
Robert
Gen 1 · 1 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)