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Theodore Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Theodore Anderson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Axel & Axel — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | News theater |
| Industry | Auto. access. mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | News Theater |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| George Anderson | Son | — | 23 | ~1917 |
| Max Anderson | Head | — | 51 | ~1889 |
| Robt Anderson | Son | — | 19 | ~1921 |
| Max Anderson | Son | — | 25 | ~1915 |
| Katharine Anderson | Spouse | — | 51 | ~1889 |
| Theodore Anderson | Son | — | 21 | ~1919 |
| Dolly Anderson | Daughter | — | 17 | ~1923 |
Census Appearances
1920
Cook, Illinois
Son, age
Cook, Illinois · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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
Son, age 10
Cook, Illinois · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 21
Cook-County, Illinois · implied b. ~1919 — 7 household members
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | News theater |
| Industry | Auto. access. mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H-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 Theodore Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Anderson (~0.92 confidence) and father Axel Anderson (~0.92 confidence) and father Max Anderson (~0.92 confidence) and mother Katharine Anderson (~0.92 confidence) and mother Minnie Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Anderson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Axel Anderson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Max Anderson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Katharine Anderson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Minnie Anderson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Anderson
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Max Anderson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robt Anderson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Anderson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolly Anderson
Sibling · 1940 · age 17
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-t0627-01000-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Podmazersky | 25 | Head | Filling Clerk | Illinois |
| 42 | Emelia Podmazersky | 25 | Daughter | Filing Clerk | Illinois |
| 43 | Harry Hernart | 48 | Head | Plasterer | Pennsylvania |
| 44 | Esther Hernart | 44 | Wife | Supervisor Of Infants | Illinois |
| 45 | Elsa Koerner | 36 | Head | Florist | Illinois |
| 46 | Lena Koerner | 75 | Mother | — | Germany |
| 47 | John Johannesson | 44 | Head | Tavern Owner | Sweden |
| 48 | Victoria Johannesson | 44 | Wife | Tavern Worker | Sweden |
| 49 | Anna Johnson | 54 | Boarder | Houseworker | Sweden |
| 50 | Eric Bostrom | 47 | Head | Carpenter | Sweden |
| 51 | Anna Bostrom | 41 | Wife | — | Sweden |
| 52 | Mary Ann Bostrom | 11 | Daughter | — | Illinois |
| 53 | Gosta Klasson | 21 | Head | Tool Hit Maker | Sweden |
| 54 | Agnes Klasson | 61 | Mother | — | Sweden |
| 55 | Walter Bune | 21 | Lodger | Dish Washer | Iowa |
| 56 | Max Pascoff | 30 | Head | Accountant | Indiana |
| 57 | Clara Pascoff | 52 | Mother | — | Austria |
| 58 | Max Rose | 50 | Head | Salesman Of Ladies Wear | Russia |
| 59 | Anna Rose | 56 | Wife | — | Illinois |
| 60 | Paul Rose | 26 | Son | Pharmacist | Illinois |
| 61 | Lee Miller | 51 | Head | Metal Caster | Ohio |
| 62 | Gertrude Miller | 49 | Wife | — | Illinois |
| 63 | Vernard Miller | 19 | Son | Shipping Clerk | Illinois |
| 64 | Roy Cuthbert | 35 | Head | Maintenance Man | Illinois |
| 65 | Marguerite Cuthbert | 35 | Wife | Maid | Illinois |
| 66 | Ellen Cuthbert | 59 | Mother | Net Worker | Wisconsin |
| 67 | William Walsh | 14 | Son | — | Illinois |
| 68 | Walter Kadlec | 29 | Head | Refrigerator Service | Illinois |
| 69 | Irene Kadlec | 23 | Wife | — | Illinois |
| 70 | Adolph Budzian | 40 | Head | Baker | Poland |
| 71 | Rose Budzian | 32 | Wife | Baker | Illinois |
| 72 | Virginia Budzian | 12 | Daughter | Order Taker | Illinois |
| 73 | Ellen Budzian | 6 | Daughter | — | Indiana |
| 74 | Max Anderson | 51 | Head | Wholesale Food Prod. Sales | New York |
| 75 | Katharine Anderson | 51 | Wife | — | Illinois |
| 76 | Max Anderson | 25 | Son | Assembler | Illinois |
| 77 | George Anderson | 23 | Son | Chemist | Illinois |
| 78 | Theodore Anderson THIS PERSON | 21 | Son | News Theater | Illinois |
| 79 | Robt. Anderson | 19 | Son | Stock Clerk | Illinois |
| 80 | Dolly Anderson | 17 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Theodore + 4 siblings
Gen 1 · 5 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)