RJ
Robert Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Johnson across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Edwin & Thomas — first a son (b.~1901), then head of a 7-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 | Robert |
| 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 | Board of Trade |
| 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 | Chicago City |
| 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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mabel Johnson | Daughter | — | 24 | ~1896 |
| Violet Johnson | Daughter | — | 15 | ~1905 |
| Edith Johnson | Daughter | — | 18 | ~1902 |
| Thomas Johnson | Head | — | 52 | ~1868 |
| Robert Johnson | Son | — | 19 | ~1901 |
| Ernest Johnson | Son | — | 22 | ~1898 |
| Herbert Johnson | Son | — | 26 | ~1894 |
Census Appearances
1900
Cook, Illinois
Son, age
Cook, Illinois · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Jan |
| Birth Year | 1900 |
| 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 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1901 — 7 household members
| Surname | Johnson |
| Given Name | Robert |
| 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 | Board of Trade |
| 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 Robert Johnson across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Edwin Johnson (~0.92 confidence) and father Thomas Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and mother Theresa Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edwin Johnson
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Thomas Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Theresa Johnson
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnson
Son · 1920 · age 19 · b. ~1901 · Illinois
★ You are viewing this record
Sibling
Edith Johnson
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Johnson
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Johnson
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Johnson
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Johnson
Sibling · 1920 · age 22
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:1920:14thcensusofpopu339unit:0197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Myrene Corbett | 24 | Wife | — | Germany |
| 52 | Robert Corbett | 5 | Son | — | Illinois |
| 53 | Gordon Corbett | 4 | Son | — | Illinois |
| 54 | Lizzie Heitmann | 64 | Mother-in-law | Nurse | Germany |
| 55 | Arthur Balke | 29 | Head | Engraver | Missouri |
| 56 | Louise Balke | 25 | Wife | — | Germany |
| 57 | Gertrude Balke | 2 | Daughter | — | Illinois |
| 58 | Emma Balke | 65 | Mother | Inspector | Illinois |
| 59 | Paul Haglund | 40 | Head | Tailor | Sweden |
| 60 | Agnes Haglund | 40 | Wife | — | Sweden |
| 61 | Paul Jr. Haglund | 14 | Son | — | Illinois |
| 62 | Anderson | 16 | Boarder | — | Sweden |
| 63 | Charles Foelker | 45 | Head | Salesman | Germany |
| 64 | Anna Foelker | 43 | Wife | — | Illinois |
| 65 | Charles Foelker | 13 | Son | — | Illinois |
| 66 | Charles Johnson | 51 | Head | Mailman | Norway |
| 67 | Elsa Johnson | 51 | Wife | — | Norway |
| 68 | Harriet Johnson | 19 | Daughter | Stenographer | Illinois |
| 69 | Edward Johnson | 26 | Son | Clerk | Sweden |
| 70 | Bertha Johnson | 22 | Wife | — | Illinois |
| 71 | Thomas Johnson | 52 | Head | — | Sweden |
| 72 | Herbert Johnson | 26 | Son | Teller | Illinois |
| 73 | Mabel Johnson | 24 | Daughter | Dressmaker | Illinois |
| 74 | Ernest Johnson | 22 | Son | Clerk | Illinois |
| 75 | Robert Johnson THIS PERSON | 19 | Son | Clerk | Illinois |
| 76 | Edith Johnson | 18 | Daughter | Stenographer | Illinois |
| 77 | Violet Johnson | 15 | Daughter | — | Illinois |
| 78 | Elias Olson | 49 | Head | Proprietor | Sweden |
| 79 | Anna Olson | 48 | Wife | — | Sweden |
| 80 | Mildred Olson | 17 | Daughter | — | Illinois |
| 81 | Evelyn Olson | 14 | Daughter | — | Illinois |
| 82 | Ivan Olson | 12 | Son | — | Illinois |
| 83 | Thomas Cowley | 40 | Head | Sales Engineer | England |
| 84 | Ada Cowley | 34 | Wife | — | Sweden |
| 85 | Helen Cowley | 8 | Daughter | — | Illinois |
| 86 | Doris Cowley | 6 | Daughter | — | Illinois |
| 87 | Eleanor Cowley | 3 | Daughter | — | Illinois |
| 88 | Helga Hulton | 60 | Head | — | Sweden |
| 89 | Isabel Hulton | 27 | Daughter | — | Illinois |
| 90 | Ruth Hulton | 25 | Daughter | Stenographer | Illinois |
| 91 | Florence Hulton | 17 | Daughter | Stenographer | Illinois |
| 92 | Charles Teuber | 43 | Head | Laborer | Germany |
| 93 | Sophia Teuber | 40 | Wife | — | Germany |
| 94 | Dorothy Teuber | 8 | Daughter | — | Illinois |
| 95 | Robert Helpech | 57 | Head | Artist | Russia |
| 96 | Lula Helpech | 49 | Wife | — | Russia |
| 97 | Margaret Helpech | 22 | Daughter | Teacher | Illinois |
| 98 | Ella Johnson | 61 | Head | — | Sweden |
| 99 | Freda Johnson | 32 | Daughter | — | Sweden |
| 100 | Richard Johnson | 23 | Son | Salesman | Illinois |
Pedigree Summary
Robert + 5 siblings
Gen 1 · 5 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)