LA
Louis Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Louis Anderson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 76
b. ~1864
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1864 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Emma Anderson | Daughter | — | 44 | ~1896 |
| Louis Anderson | Head | — | 76 | ~1864 |
| Anna Anderson | Spouse | — | 78 | ~1862 |
Census Appearances
1920
Lake, Illinois
Head, age 55
Lake, Illinois · implied b. ~1865 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Hardware Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Head, age 65
Cook, Illinois · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Janitor |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | $8000 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cook-County, Illinois
Head, age 76
Cook-County, Illinois · implied b. ~1864 — 3 household members
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 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 Louis Anderson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Louis Anderson
Head · 1940 · age 76 · b. ~1864 · 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-t0627-00936-00361)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Wesolowski | 58 | Head | Furnace | Poland |
| 42 | Mary Wesolowski | 52 | Wife | — | Poland |
| 43 | Edna Wesolowski | 29 | Daughter | File Clerk | Illinois |
| 44 | Donald Wesolowski | 29 | Son | Clerk | Illinois |
| 45 | Joseph Wesolowski | 26 | Son | Payroll Clerk | Illinois |
| 46 | Richard Wesolowski | 23 | Son | Stamper | Illinois |
| 47 | Alvin Wesolowski | 20 | Son | Cinder Pitman | Illinois |
| 48 | Theodore Wesolowski | 17 | Son | — | Illinois |
| 49 | Michael Pietrzak | 59 | Head | Blast Furnace | Poland |
| 50 | Clara Pietrzak | 26 | Daughter | — | Illinois |
| 51 | Rose Pietrzak | 24 | Daughter | Order Feeder | Illinois |
| 52 | Bill Pietrzak | 22 | Son | Stock Boy | Illinois |
| 53 | Roman Pietrzak | 16 | Son | — | Illinois |
| 54 | Louis Anderson THIS PERSON | 76 | Head | — | Sweden |
| 55 | Anna Anderson | 78 | Wife | — | Sweden |
| 56 | Emma Anderson | 44 | Daughter | Office Clerk | Illinois |
| 57 | Michael Kuida | 47 | Head | Laborer | Illinois |
| 58 | Selma Kuida | 45 | Wife | — | Illinois |
| 59 | Willard Kuida | 22 | Son | Attendant | Illinois |
| 60 | Michael Kuida | 18 | Son | — | Illinois |
| 61 | Loretta Kuida | 20 | Daughter | — | Illinois |
| 62 | Elaine Kuida | 16 | Daughter | — | Illinois |
| 63 | Robert Gustafson | 43 | Head | Stationary Engineer | Illinois |
| 64 | Augusta Gustafson | 79 | Mother | — | Sweden |
| 65 | Josephine Bishop | 44 | Head | — | Illinois |
| 66 | Carlson Bishop | 46 | Brother | Janitor | Illinois |
| 67 | Ellen Bishop | 27 | Nephew | Foreman | Illinois |
| 68 | Joseph Ignasiak | 54 | Head | Oiler | Poland |
| 69 | Marie Ignasiak | 44 | Wife | — | Poland |
| 70 | Adeline Ignasiak | 14 | Daughter | — | Illinois |
| 71 | Joseph Wozniak | 45 | Lodger | Heater | Poland |
| 72 | John Wisniewski | 48 | Head | Laborer | Poland |
| 73 | Lottie Wisniewski | 39 | Wife | — | Poland |
| 74 | Edmond Wisniewski | 20 | Son | Laborer | Illinois |
| 75 | Irene Wisniewski | 18 | Daughter | Wrapper | Illinois |
| 76 | Casimir Boyda | 25 | Head | Laborer | Illinois |
| 77 | Genevieve Boyda | 23 | Wife | — | Illinois |
| 78 | Carrie Anderson | 73 | Head | — | Sweden |
| 79 | Elbin Anderson | 46 | Son | Watchman | Illinois |
| 80 | Grace Anderson | 41 | Daughter | Typist | Illinois |
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)