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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 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Sophie & Peter — first a head (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Lawyer |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 2693 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Lawyer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1891 |
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 |
|---|---|---|---|---|
| Charlotte Anderson | Daughter | — | 21 | ~1919 |
| Elmer Anderson | Head | — | 49 | ~1891 |
| Roger Anderson | Son | — | 18 | ~1922 |
| June Anderson | Spouse | — | 44 | ~1896 |
Census Appearances
1910
Cook, Illinois
Son, age 18
Cook, Illinois · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Rail Rd |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Head, age 28
Cook, Illinois · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Lawyer |
| Industry | General Practice |
| Class of Worker | O.A. |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 38
Cook, Illinois · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Elmer H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Steam Ry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 52.50 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 49
Cook-County, Illinois · implied b. ~1891 — 4 household members
| Surname | Anderson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Lawyer |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 2693 |
| Highest Grade | Hs 4 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sophie Anderson (~0.92 confidence) and father Peter Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sophie Anderson
b. ~1853
Source mother
● Household
· direct · ~0.92
Father
Peter Anderson
b. ~1856
Source father
● Household
· direct · ~0.92
This person
Anchor record
Elmer Anderson
Head · 1940 · age 49 · b. ~1891 · 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-t0627-01022-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Beal | 46 | Head | Office Manager | Ohio |
| 2 | Helen Beal | 43 | Wife | — | Ohio |
| 3 | Roger Beal | 17 | Son | — | Ohio |
| 4 | Helen Argelander | 18 | Lodger | — | California |
| 5 | Frank Argelander | 17 | Lodger | — | California |
| 6 | Harry Beatoff | 37 | Head | Lawyer | Illinois |
| 7 | Frances Beatoff | 36 | Wife | — | Illinois |
| 8 | Ann Margaret Beatoff | 5 | Daughter | — | Illinois |
| 9 | Andrew Beatoff | 2 | Son | — | Illinois |
| 10 | Edwin Pfeifer | 48 | Head | Salesman | New York |
| 11 | Irene Pfeifer | 42 | Wife | — | New York |
| 12 | Dorothy Pfeifer | 21 | Daughter | New Worker | New York |
| 13 | Donald Pfeifer | 18 | Son | — | Illinois |
| 14 | Robert Pfeifer | 10 | Daughter | — | Illinois |
| 15 | Elmer Anderson THIS PERSON | 49 | Head | Lawyer | Illinois |
| 16 | June Anderson | 44 | Wife | — | Illinois |
| 17 | Charlotte Anderson | 21 | Daughter | General Office | Illinois |
| 18 | Roger Anderson | 18 | Son | — | Illinois |
| 19 | Thomas O'Connor | 57 | Head | Manager | Illinois |
| 20 | Edith O'Connor | 53 | Wife | Bookkeeper | Illinois |
| 21 | Helen Kazirutte | 21 | Lodger | Maid | Missouri |
| 22 | Ayadis Mourad | 53 | Head | Manager | Armenia |
| 23 | Lucy Mourad | 50 | Wife | — | Armenia |
| 24 | Arthur Mourad | 23 | Daughter | General Worker | Wisconsin |
| 25 | Elizabeth Mourad | 16 | Daughter | — | Illinois |
| 26 | William Bergey | 46 | Head | Salesman | Pennsylvania |
| 27 | Kathryn Bergey | 43 | Wife | — | New Jersey |
| 28 | William Bergey | 15 | Son | — | Illinois |
| 29 | Robert Bergey | 13 | Son | — | Illinois |
| 30 | David G. Waterhouse | 68 | Head | Manager | Iowa |
| 31 | Mary E. Waterhouse | 72 | Wife | — | Iowa |
| 32 | Henry Quinn | 37 | Head | Janitor | Illinois |
| 33 | Helen Quinn | 37 | Wife | — | Illinois |
| 34 | Donald Quinn | 17 | Son | — | Illinois |
| 35 | Marilyn Quinn | 14 | Daughter | — | Illinois |
| 36 | Patricia Quinn | 9 | Daughter | — | Illinois |
| 37 | Fred W. Schuett | 81 | Father-in-law | — | Germany |
| 38 | Walter Gellmen | 42 | Head | Laborer | Wisconsin |
| 39 | Hattie Gellmen | 43 | Wife | — | Wisconsin |
| 40 | Wallace Gellmen | 20 | Son | — | Illinois |
Pedigree Summary
Elmer
Gen 1 · 2 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)