EJ
Elmer Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Elmer Johnson across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents C & Olof — first a son (b.~1901), then head of a 5-person household.
Age 19
b. ~1901
Male
Son
Born: Illinois
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 | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Olof Johnson | Head | — | 50 | ~1870 |
| Clarence Johnson | Son | — | 21 | ~1899 |
| Elmer Johnson | Son | — | 19 | ~1901 |
| Edwin Johnson | Son | — | 23 | ~1897 |
| Charlotte Johnson | Spouse | — | 43 | ~1877 |
Census Appearances
1900
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ellmer |
| Relationship to Head | Son |
| Sex | m |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Dec |
| Birth Year | 1899 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elmer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1901 — 5 household members
| Surname | Johnson |
| 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 | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Johnson across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father C Johnson (~0.92 confidence) and father Olof Johnson (~0.92 confidence) and mother Charlotte Johnson (~0.92 confidence) and mother Frida Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
C Johnson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Olof Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Charlotte Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Frida Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Johnson
Son · 1920 · age 19 · b. ~1901 · Illinois
★ You are viewing this record
Sibling
Edwin Johnson
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Johnson
Sibling · 1920 · age 21
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
49 people indexed on this census page (ia:1920:14thcensusofpopu338unit:0510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ethel Kralick | 23 | Daughter | Comptometer | Illinois |
| 52 | Pater Kralick | None | Danny | — | — |
| 53 | Richard C. Lang | 32 | Head | Salesman | Illinois |
| 54 | Ida Lang | 29 | Wife | — | Illinois |
| 55 | Morton Lang | 10 | Son | — | Illinois |
| 56 | Harry E. Monson | 35 | Brother-in-law | Office Manager | Illinois |
| 57 | Benjamin A. Stark | 33 | Head | Salesman | Germany |
| 58 | Katherine Stark | 30 | Wife | — | Russia |
| 59 | Evelyn Stark | 5 | Daughter | — | Illinois |
| 60 | Norman Stark | 1 | Son | — | Illinois |
| 61 | Leah Bergstein | 21 | Sister-in-law | Stenographer | Russia |
| 62 | John Walter Becker | 35 | Head | Manufacturer | Illinois |
| 63 | Eunice Becker | 26 | Wife | — | Illinois |
| 64 | Jean Louise Becker | 2 | Daughter | — | Illinois |
| 65 | Minnie Bendtzen | 54 | Head | — | Illinois |
| 66 | George Bendtzen | 32 | Son | Salesman | Illinois |
| 67 | Carl Bendtzen | 27 | Son | Commercial Salesman | Illinois |
| 68 | Edward H. Brown | 30 | Boarder | Clerk | Pennsylvania |
| 69 | Marie Brown | 23 | Boarder | — | W. Virginia |
| 70 | Edward Wolf | 31 | Head | Auto Painter | Illinois |
| 71 | Mary Wolf | 28 | Wife | — | Illinois |
| 72 | Edward Wolf | 9 | Son | — | Illinois |
| 73 | Rosemary Wolf | 4 | Daughter | — | Illinois |
| 74 | Arthur J. Hand | 24 | Head | Wagon Driver | Illinois |
| 75 | Florence Hand | 20 | Wife | Bookkeeper | Illinois |
| 76 | Otto M. Schulz | 47 | Uncle | Printer | Germany |
| 77 | Lena Schulz | 48 | Aunt | — | New York |
| 78 | Raoul Brunette | 38 | Head | — | Canada |
| 79 | Mabel Brunette | 36 | Wife | — | Indiana |
| 80 | Raoul Jr. Brunette | 13 | Son | — | Illinois |
| 81 | Kenneth Brunette | 8 | Son | — | Illinois |
| 82 | Frederick Brunette | 6 | Son | — | Illinois |
| 83 | Elizabeth Dyer | 63 | Mother-in-law | — | Indiana |
| 84 | William Reynolds | 46 | Head | Watchman | Illinois |
| 85 | Otto Held | 60 | Head | Carpenter | Germany |
| 86 | Martha Held | 60 | Wife | — | Germany |
| 87 | Greta Held | 26 | Daughter | Comptometer | Illinois |
| 88 | Clara Juergens | 28 | Daughter | — | Illinois |
| 89 | George Juergens | 27 | Son-in-law | Machine Foreman | Germany |
| 90 | Timothy Sullivan | 53 | Head | Clerk | Illinois |
| 91 | Mae Sullivan | 44 | Wife | — | Pennsylvania |
| 92 | Virginia Sullivan | 19 | Daughter | Teacher | Illinois |
| 93 | Ethel Sullivan | 17 | Daughter | — | Illinois |
| 94 | Timothy Sullivan | 15 | Son | — | Illinois |
| 95 | Olof Johnson | 50 | Head | Tanner | Sweden |
| 96 | Charlotte Johnson | 43 | Wife | — | Sweden |
| 97 | Edwin Johnson | 23 | Son | Office Clerk | Illinois |
| 98 | Clarence Johnson | 21 | Son | Office Clerk | Illinois |
| 99 | Elmer Johnson THIS PERSON | 19 | Son | Clerk | Illinois |
Related Census Records
Pedigree Summary
Elmer + 2 siblings
Gen 1 · 4 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)