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Elmer Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Elmer Johnson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Rolf & Alexander — first a son (b.~1909), then head of a 10-person household.
Age 11
b. ~1909
Male
Son
Born: Penn
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Penn |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penn |
| Township / Ward | Chicago |
| Est. Birth Year | ~1909 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Ruby Johnson | Daughter | — | 3 | ~1917 |
| Alice Johnson | Daughter | — | 16 | ~1904 |
| Helen Johnson | Daughter | — | 7 | ~1913 |
| Alexander Johnson | Head | — | 36 | ~1884 |
| Helen Johnson | Other | — | 31 | ~1889 |
| Jennie Johnson | Other | — | 24 | ~1896 |
| Herbert Johnson | Son | — | 9 | ~1911 |
| Elmer Johnson | Son | — | 11 | ~1909 |
| Edward Johnson | Son | — | 13 | ~1907 |
| Selma Johnson | Spouse | — | 36 | ~1884 |
Census Appearances
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 10 household members
| Surname | Johnson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Penn |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penn |
Son, age 21
Cook, Illinois · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Everett |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penn |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penn |
1940
Cook-County, Illinois
Head, age 31
Cook-County, Illinois · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Everet |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Penn |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Truck driver |
| Industry | Meat |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 1750 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penn |
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 Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Rolf Johnson (~0.92 confidence) and father Alexander Johnson (~0.92 confidence) and mother Selma Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Rolf Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Alexander Johnson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Selma Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Johnson
Son · 1920 · age 11 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Edward Johnson
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Johnson
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Johnson
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1920 · age 16
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu316unit:0467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ester J. Harris | 21 | Wife | — | Illinois |
| 52 | Ernest W. Harris | 2 | Son | — | Illinois |
| 53 | Rudolph Lundquist | 25 | Boarder | Clerk | Illinois |
| 54 | Charles S. Fleming | 46 | Head | Contractor | Indiana |
| 55 | Almira Fleming | 40 | Wife | Saleslady | Illinois |
| 56 | James W. Hushaw | 44 | Head | Salesman | Indiana |
| 57 | Gladys Hushaw | 34 | Wife | — | Indiana |
| 58 | May Catherine Hushaw | 9 | Daughter | — | Illinois |
| 59 | John A. Nelson | 36 | Head | Butcher | Sweden |
| 60 | Margaret A. Nelson | 24 | Wife | — | Illinois |
| 61 | Beatrice L. Nelson | 13 | Daughter | — | Illinois |
| 62 | Jeanette Nelson | 65 | Mother | — | Sweden |
| 63 | Ewald Hofvander | 49 | Head | Salesman | Denmark |
| 64 | Anna W. Hofvander | 40 | Wife | — | Illinois |
| 65 | Ester J. Hofvander | 19 | Daughter | Stenographer | Illinois |
| 66 | Evelyn M. Hofvander | 12 | Daughter | — | Illinois |
| 67 | Grace G. Hofvander | 11 | Daughter | — | Illinois |
| 68 | H. Wesley Hofvander | 7 | Son | — | Illinois |
| 69 | Madeline Hofvander | 4 | Daughter | — | Illinois |
| 70 | John Tkach | 42 | Head | Salesman | Austria |
| 71 | Bertha Tkach | 35 | Housekeeper | Housekeeper | Wisconsin |
| 72 | Irene Tkach | 15 | Boarder-daughter | Clerical | Illinois |
| 73 | Alexander Johnson | 36 | Head | Miner | Sweden |
| 74 | Selma Johnson | 36 | Wife | — | Sweden |
| 75 | Alice Johnson | 16 | Daughter | — | Penn |
| 76 | Edward Johnson | 13 | Son | — | Penn |
| 77 | Elmer Johnson THIS PERSON | 11 | Son | — | Penn |
| 78 | Herbert Johnson | 9 | Son | — | Penn |
| 79 | Helen Johnson | 7 | Daughter | — | Illinois |
| 80 | Ruby Johnson | 3 | Daughter | — | Illinois |
| 81 | Jennie Johnson | 24 | Sister | Maid | Sweden |
| 82 | Helen Johnson | 31 | Sister | Waitress | Sweden |
| 83 | Frank L. Peterson | 60 | Head | Machinist | Denmark |
| 84 | Hannah Peterson | 50 | Wife | — | Ireland |
| 85 | William Boss | 20 | Head | Janitor | Illinois |
| 86 | Alice Boss | 23 | Wife | — | Illinois |
| 87 | Sam Spiegel | 32 | Head | Shoemaker | Poland |
| 88 | Lena Spiegel | 26 | Wife | — | Austria |
| 89 | Arthur Spiegel | 7 | Son | — | New York |
| 90 | Ruth Spiegel | 1 | Daughter | — | Illinois |
| 91 | Harry C. Stadelmann | 37 | Head | Druggist | Wisconsin |
| 92 | Ethel Stadelmann | 33 | Wife | — | Illinois |
| 93 | Fern Stadelmann | 5 | Daughter | — | Illinois |
| 94 | Gustave Rydell | 33 | Head | Cement Worker | Sweden |
| 95 | Emma Rydell | 25 | Wife | — | Sweden |
| 96 | Allen Rydell | 4 | Son | — | Illinois |
| 97 | T. Irvin Rydell | 3 | Son | — | Illinois |
| 98 | John Gustafson | 26 | Boarder | Bartender | Sweden |
| 99 | William Johnson | 26 | Lodger | Painter | Sweden |
| 100 | Oscar E. Tiberg | 37 | Head | Tailor | Sweden |
Related Census Records
Pedigree Summary
Elmer + 5 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)