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Theodore Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Theodore Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Bartender |
| Industry | Tavern |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1750 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Bartender |
| Township / Ward | Chicago |
| Est. Birth Year | ~1885 |
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 Theodore | Age | Birth yr |
|---|---|---|---|---|
| Marion Anderson | Spouse | — | 39 | ~1901 |
| Marion Anderson | Daughter | — | 15 | ~1925 |
| Theodore Anderson | Head | — | 55 | ~1885 |
| Arthur Anderson | Son | — | 16 | ~1924 |
Census Appearances
1910
Cook, Illinois
Other, age 23
Cook, Illinois · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Sweden |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist helper |
| Industry | Machine shop |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1900 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Chauffeur |
| Industry | Automobile Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Head, age 45
Cook, Illinois · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Shipping clerk |
| Industry | Tea Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 8,000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cook-County, Illinois
Head, age 55
Cook-County, Illinois · implied b. ~1885 — 4 household members
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Bartender |
| Industry | Tavern |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1750 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Theodore Anderson
Head · 1940 · age 55 · b. ~1885 · Illinois
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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-t0627-01015-00100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bernadette Brodesser | 3 | Daughter | — | Illinois |
| 42 | Herbert Wittman | 40 | Head | Registered Pharmacist | Minnesota |
| 43 | Mauree Wittman | 41 | Wife | — | Illinois |
| 44 | Nellie B. Weaver | 67 | Head | — | Illinois |
| 45 | Minnie Hankey | 80 | Aunt | — | Illinois |
| 46 | Stanley W. Southard | 50 | Head | Superintendent | Pennsylvania |
| 47 | Margaret Southard | 46 | Wife | — | Ohio |
| 48 | Robert W. Southard | 22 | Son | Clerk | Pennsylvania |
| 49 | Frederick W. Southard | 20 | Son | Clerk | Pennsylvania |
| 50 | Theodore Anderson THIS PERSON | 55 | Head | Bartender | Sweden |
| 51 | Marion Anderson | 39 | Wife | Press Girl | Illinois |
| 52 | Arthur Anderson | 16 | Son | — | Illinois |
| 53 | Marion L. Anderson | 15 | Daughter | — | Illinois |
| 54 | Ernest Von Freudenberg | 45 | Head | Salesman | New York |
| 55 | Isabell Burnell | 38 | Sister | Money Counter | New York |
| 56 | Mary Pyper | 70 | Lodger | — | Illinois |
| 57 | Olaf M. Thompson | 70 | Head | Conductor | Norway |
| 58 | Hanna Thompson | 70 | Wife | — | Sweden |
| 59 | Warren Ekstrom | 25 | Lodger | Conveyor Operator | Illinois |
| 60 | Oke A. Soderlund | 39 | Head | Shoe Manager | Illinois |
| 61 | Bror W. Soderlund | 41 | Brother | Carpenter | Kansas |
| 62 | Mary Soderlund | 75 | Mother | — | Sweden |
| 63 | George Wilkinson | 43 | Head | Broker | Illinois |
| 64 | Irene A. Wilkinson | 38 | Wife | — | Illinois |
| 65 | James H. Wilkinson | 16 | Son | — | Illinois |
| 66 | Margaret L. Wilkinson | 14 | Daughter | — | Illinois |
| 67 | Gloria A. Wilkinson | 12 | Daughter | — | Illinois |
| 68 | Ernest Davide | 52 | Head | Salesman | South America |
| 69 | Edith Davide | 45 | Wife | — | Germany |
| 70 | Christel Davide | 20 | Daughter | — | Illinois |
| 71 | Richard Davide | 19 | Son | Apprentice Engraver | Illinois |
| 72 | John Laidner | 54 | Head | Barber | Holland |
| 73 | Hattie T. Laidner | 59 | Wife | — | Illinois |
| 74 | Emil Arias | 72 | Head | — | Germany |
| 75 | Marie Arias | 68 | Wife | — | Czechoslovakia |
| 76 | Isadore Tiger | 49 | Head | Tailor Proprietor | Poland |
| 77 | Bessie Tiger | 47 | Wife | — | Poland |
| 78 | Jerome Tiger | 17 | Son | — | Illinois |
| 79 | George Nevins | 47 | Head | Traveling Salesman | Illinois |
| 80 | Olive Nevins | 46 | Wife | — | Ohio |
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)