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Elmer Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Elmer Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Elmer E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Salesman |
| Industry | Automobiles |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2980 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Salesman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1895 |
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 Elmer | Age | Birth yr |
|---|---|---|---|---|
| Ruth Nelson | Spouse | — | 43 | ~1897 |
| Howard Nelson | Son | — | 22 | ~1918 |
| Elmer Nelson | Head | — | 45 | ~1895 |
Census Appearances
1920
Cook, Illinois
Head, age 26
Cook, Illinois · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Elmer |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | salesman |
| Industry | automobiles |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Cook, Illinois
Head, age 35
Cook, Illinois · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Elmer E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Sales Manager |
| Industry | Auto Sales |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $45.00 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Cook-County, Illinois
Head, age 45
Cook-County, Illinois · implied b. ~1895 — 3 household members
| Surname | Nelson |
| Given Name | Elmer E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | Automobiles |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2980 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Elmer Nelson
Head · 1940 · age 45 · b. ~1895 · 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
39 people indexed on this census page (nara:1940:m-t0627-01001-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Augusta Wiklund | 83 | Head | — | Sweden |
| 2 | Mabel Wiklund | 48 | Daughter | — | Illinois |
| 3 | Lillian Wiklund | 45 | Daughter | Stenographer | Illinois |
| 4 | Arthur Wiklund | 52 | Head | State Auditor Examiner | Illinois |
| 5 | Hildur Wiklund | 50 | Wife | — | Illinois |
| 6 | Glenn Wiklund | 21 | Son | Bookkeeper | Illinois |
| 7 | Elmer E Nelson THIS PERSON | 45 | Head | Salesman | Michigan |
| 8 | Ruth Nelson | 43 | Wife | — | Illinois |
| 9 | Howard Nelson | 22 | Son | Bookkeeper | Illinois |
| 10 | Alfred Gustafson | 70 | Head | Carpenter | Sweden |
| 11 | Charlotte Gustafson | 72 | Wife | — | Sweden |
| 12 | Louis Schmidt | 74 | Father | — | Ohio |
| 13 | Edwin P. Schmidt | 48 | Head | Shop Owner | Illinois |
| 14 | Ella Schmidt | 45 | Wife | Shop Owner | Illinois |
| 15 | Ellen Schmidt | 2 | Daughter | — | Illinois |
| 16 | Arthur Schmidt | 18 | Son | Service Station | Illinois |
| 17 | Samuel Feldstein | 43 | Head | Garage Owner | Illinois |
| 18 | Ceil Feldstein | 42 | Wife | — | Russia |
| 19 | Joyce Feldstein | 15 | Daughter | — | Illinois |
| 20 | Lois Feldstein | 12 | Daughter | — | Illinois |
| 21 | Marcia Feldstein | 5 | Daughter | — | Illinois |
| 22 | Johnna Kaitchuck | 70 | Head | — | Germany |
| 23 | Alfreda Kaitchuck | 47 | Daughter | Dressmaker | Illinois |
| 24 | Raymond Kaitchuck | 26 | Son | Picker | Illinois |
| 25 | Max Gauze | 54 | Head | Shop Owner | Russia |
| 26 | Frieda Gauze | 46 | Wife | — | Illinois |
| 27 | Helen Gauze | 19 | Daughter | Clerk | Illinois |
| 28 | Bernard Rice | 40 | Head | Buyer | Russia |
| 29 | Ethel Rice | 38 | Wife | — | Canada |
| 30 | Mildred Rice | 17 | Daughter | — | Canada |
| 31 | Theodore Marks | 43 | Head | Salesman | Illinois |
| 32 | Sarah Marks | 40 | Wife | — | Illinois |
| 33 | June H. Marks | 16 | Daughter | — | Illinois |
| 34 | Ross Epstein | 67 | Mother-in-law | — | Poland |
| 35 | David Epstein | 34 | Brother-in-law | Pharmacist | Illinois |
| 36 | Emanuel Woinis | 41 | Head | Furrier | England |
| 37 | Marie Woinis | 37 | Wife | — | England |
| 38 | Marilyn Woinis | 13 | Daughter | — | Illinois |
| 39 | Leslie Tasen | 24 | Brother-in-law | Salesman | 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)