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Robert Johnston — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Johnston across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Samuel & Jennie — first a son (b.~1893), then head of a 3-person household.
Age 27
b. ~1893
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Johnston |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Fireman |
| Industry | Coke Oven |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Fireman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1893 |
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 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Samuel Johnston | Head | — | 60 | ~1860 |
| Robert Johnston | Son | — | 27 | ~1893 |
| Jennie Johnston | Spouse | — | 60 | ~1860 |
Census Appearances
1920
Cook, Illinois
Son, age 27
Cook, Illinois · implied b. ~1893 — 3 household members
| Surname | Johnston |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Fireman |
| Industry | Coke Oven |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 37
Cook, Illinois · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | Robert F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Engineer |
| Industry | Steel Mills |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 47
Cook-County, Illinois · implied b. ~1893
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnstone |
| Given Name | Robert D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | W. P. A. |
| Class of Worker | GW |
| Hours Worked | 2 |
| Income (1939) | 500 |
| Highest Grade | No 7 |
| 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 Robert Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Johnstone (~0.92 confidence) and mother Jennie Johnston (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Johnstone
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Jennie Johnston
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnston
Son · 1920 · age 27 · b. ~1893 · Illinois
★ You are viewing this record
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:1920:14thcensusofpopu317unit:0251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Ryerson | 54 | Head | — | Kentucky |
| 2 | Joseph Ryerson | 29 | Son | Laborer | United States |
| 3 | Maurice Ryerson | 23 | Daughter | Supervisor | Illinois |
| 4 | Andrew Keck | 46 | Head | Foreman | Germany |
| 5 | Albert Keck | 19 | Son | Clerk | Illinois |
| 6 | Adele Keck | 17 | Daughter | — | Illinois |
| 7 | Marie Keck | 13 | Daughter | — | Illinois |
| 8 | Virginia Keck | 3 | Daughter | — | Illinois |
| 9 | William Pierce | 56 | Head | Clerk | Vermont |
| 10 | Alice Pierce | 28 | Wife | — | Illinois |
| 11 | Mildred Pierce | 8 | Daughter | — | Illinois |
| 12 | Harry C. Moore | 43 | Head | Traffic M. | Ohio |
| 13 | Emily Moore | 50 | Wife | — | Scotland |
| 14 | Isabell Moore | 19 | Daughter | Stenographer | Illinois |
| 15 | Lousina Isabell Moore | 75 | Mother-in-law | — | Scotland |
| 16 | Earl Dykes | 33 | Head | Asst Foreman | Illinois |
| 17 | Leola Dykes | 29 | Wife | — | Illinois |
| 18 | Clarence Dykes | 6 | Son | — | Illinois |
| 19 | Wilbur Dykes | 5 | Son | — | Illinois |
| 20 | Samuel Reynolds | 41 | Head | Sheet Metal | Canada |
| 21 | Camille Reynolds | 40 | Wife | — | France |
| 22 | Reynolds | 15 | Daughter | — | Illinois |
| 23 | James Reynolds | 13 | Son | — | Illinois |
| 24 | Robert Reynolds | 10 | Son | — | Illinois |
| 25 | Lucille Reynolds | 4 | Daughter | — | Illinois |
| 26 | Edwin Reynolds | 3 | Son | — | Illinois |
| 27 | Emmet Reynolds | 1 | Son | — | Illinois |
| 28 | Victor Rame | 23 | Brother-in-law | Sheet Metal | Illinois |
| 29 | Charles H. Aston | 31 | Head | Foreman | Massachusetts |
| 30 | Stella Aston | 30 | Wife | — | Massachusetts |
| 31 | William Aston | 7 | Son | — | Massachusetts |
| 32 | Charles Jr. Aston | 6 | Son | — | Massachusetts |
| 33 | Samuel Johnston | 60 | Head | Brickmason | Scotland |
| 34 | Jennie Johnston | 60 | Wife | — | Scotland |
| 35 | Robert Johnston THIS PERSON | 27 | Son | Fireman | Illinois |
| 36 | Frederick E. Masters | 40 | Head | Salesman | Iowa |
| 37 | Eva Masters | 38 | Wife | — | Illinois |
| 38 | Willard Masters | 19 | Son | Laborer | Iowa |
| 39 | Henry Tegthof | 39 | Head | Salesman | Missouri |
| 40 | Stat Tegthof | 35 | Wife | — | Missouri |
| 41 | James Dewar | 33 | Head | Foreman | Scotland |
| 42 | Bessie Dewar | 32 | Wife | — | Illinois |
| 43 | Louise Dewar | 9 | Daughter | — | Illinois |
| 44 | Marion Dewar | 7 | Daughter | — | Illinois |
| 45 | William Dewar | 6 | Son | — | Illinois |
| 46 | Robert Dewar | 3 | Son | — | Illinois |
| 47 | Jack Dewar | 1 | Son | — | Illinois |
| 48 | Frank Hennecke | 63 | Head | Machinist | Germany |
| 49 | Anna Hennecke | 59 | Wife | — | Germany |
| 50 | Teresa Albgayer | 36 | Daughter | — | Illinois |
Pedigree Summary
Robert
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 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)