EA
Elmer Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Elmer Anderson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Hilda — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Electrician |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Electrician |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1912 |
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 Elmer | Age | Birth yr |
|---|---|---|---|---|
| Frankhild Anderson | Daughter | — | 26 | ~1914 |
| Frank Olsen | Head | — | 71 | ~1869 |
| Elmer Anderson | Son | — | 28 | ~1912 |
| Hilda Olsen | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Cook, Illinois
Son, age 8
Cook, Illinois · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Electrician |
| Industry | Pullman Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 28
Cook-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Electrician |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | No 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 Elmer Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Olsen (~0.92 confidence) and mother Hilda Olsen (~0.92 confidence) and father Carl Anderson (~0.92 confidence) and mother Hilda Anderson (~0.92 confidence) and father Oscar Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Olsen
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Hilda Olsen
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Carl Anderson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Hilda Anderson
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Oscar Anderson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Anderson
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Frankhild Anderson
Sibling · 1940 · age 26
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-t0627-00939-00628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Olsen | 71 | Head | Conductor | Sweden |
| 2 | Hilda Olsen | 65 | Wife | — | Sweden |
| 3 | Elmer Anderson THIS PERSON | 28 | Son | Electrician | Illinois |
| 4 | Frankhild Anderson | 26 | Daughter | Stenographer | Illinois |
| 5 | George Lewis | 50 | Head | Handy Man | Greece |
| 6 | Mary Lewis | 45 | Wife | — | Greece |
| 7 | George Jr. Lewis | 20 | Son | Dryer | Wisconsin |
| 8 | Lillian Lewis | 15 | Daughter | — | New York |
| 9 | Chester Szaszowski | 46 | Head | Carfitter | Michigan |
| 10 | Constantine Szaszowski | 44 | Wife | — | Illinois |
| 11 | Chester Jr. Szaszowski | 21 | Son | Yardmaster | Illinois |
| 12 | Richard Szaszowski | 17 | Son | — | Illinois |
| 13 | Eleanor Szaszowski | 14 | Daughter | — | Illinois |
| 14 | Victor Matten | 62 | Lodger | Painter | Michigan |
| 15 | Frank Kelly | 62 | Head | Chipper | Scotland |
| 16 | Annie Kelly | 64 | Wife | — | North Ireland |
| 17 | Fred Kelly | 33 | Son | Heat Treater | Scotland |
| 18 | Thomas Kelly | 32 | Son | Chief Record Clerk | Scotland |
| 19 | Frank Jr. Kelly | 24 | Son | Tabulator | Illinois |
| 20 | Ingolf N. Larsen | 46 | Head | Plumber | Norway |
| 21 | Klara Larsen | 53 | Wife | — | New York |
| 22 | Harry Williams | 36 | Head | Solicitor | Illinois |
| 23 | Goldie Williams | 36 | Wife | — | Indiana |
| 24 | George Williams | 11 | Son | — | Illinois |
| 25 | Harry Jr. Williams | 3 | Head | — | Illinois |
| 26 | Extra | None | line | — | — |
| 27 | John Gould | 42 | Head | Proprietor | Minnesota |
| 28 | Marie Gould | 46 | Wife | — | Germany |
| 29 | Gloria Gould | 8 | Daughter | — | Illinois |
| 30 | Barney Berman | 38 | Head | Proprietor | Illinois |
| 31 | Rebecca Berman | 36 | Wife | — | Poland |
| 32 | Helene Berman | 12 | Daughter | — | Illinois |
| 33 | Earl Moore | 60 | Head | Auditor | Ohio |
| 34 | Lucille Moore | 47 | Wife | — | Illinois |
| 35 | Lucille Moore | 24 | Daughter | Cashier | Illinois |
| 36 | Peder Bergstrom | 44 | Head | Tool Grinder | Norway |
| 37 | Esther Bergstrom | 37 | Wife | Dressmaker | Norway |
| 38 | Claude Bergstrom | 15 | Son | — | Illinois |
| 39 | Nelson A. Moreen | 44 | Head | Elec. Engineer | Illinois |
| 40 | Clara Moreen | 44 | Wife | Secretary | Illinois |
Pedigree Summary
Elmer + 1 sibling
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)