HJ
Herbert Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Herbert Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Claus & Amanda — first a head (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Retail fuel oil |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Chicago |
| Est. Birth Year | ~1907 |
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 1940 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Karen Johnson | Daughter | — | 5 | ~1935 |
| Herbert Johnson | Head | — | 33 | ~1907 |
| Area Note | Other | — | — | |
| Curtis Johnson | Son | — | 2 | ~1938 |
| Jeannette Johnson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Painter |
| Industry | Decorator |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 33
Cook-County, Illinois · implied b. ~1907 — 5 household members
| Surname | Johnson |
| Given Name | Herbert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Truck driver |
| Industry | Retail fuel oil |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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 Herbert Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Claus Johnson (~0.92 confidence) and mother Amanda Johnson (~0.92 confidence) and father Ernest Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Claus Johnson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Amanda Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Ernest Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Johnson
Head · 1940 · age 33 · b. ~1907 · Illinois
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-00981-00859)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas W. Burnet | 56 | Head | Special Agent | Illinois |
| 2 | Anna R. Burnet | 56 | Wife | — | Illinois |
| 3 | Walter Wolff | 43 | Head | Supervisor | Illinois |
| 4 | Catherine Wolff | 40 | Wife | — | Pennsylvania |
| 5 | Louis Anderson | 19 | Step-son | Mechanic | Illinois |
| 6 | Louise Wolff | 66 | Mother | — | Illinois |
| 7 | Josephine Leavitt | 51 | Head | — | Illinois |
| 8 | Harry Leavitt | 30 | Son | Clerk | Illinois |
| 9 | Lucille Leavitt | 29 | Daughter-in-law | Operator | Illinois |
| 10 | Gus Johnson | 51 | Roomer | Laborer | Illinois |
| 11 | Arthur Sorenson | 52 | Roomer | Laborer | Illinois |
| 12 | William Mulcahy | 39 | Head | Supervisor | Illinois |
| 13 | Joan Mulcahy | 30 | Wife | — | Eire |
| 14 | William Mulcahy | 5 | Son | — | Illinois |
| 15 | Daniel Mulcahy | 1 | Son | — | Illinois |
| 16 | Elizabeth Mulcahy | 68 | Mother | — | Eire |
| 17 | Patrick Mulcahy | 32 | Cousin | Shipper | Eire |
| 18 | William H. Rettig | 69 | Head | Printer | Ohio |
| 19 | Mayda Rettig | 63 | Wife | — | Wisconsin |
| 20 | Emma Merriman | 60 | Head | — | Wisconsin |
| 21 | Harriet Colburn | 35 | Roomer | Stenographer | Wisconsin |
| 22 | Herbert Johnson THIS PERSON | 33 | Head | Truck Driver | Illinois |
| 23 | Jeannette Johnson | 31 | Wife | — | Illinois |
| 24 | Karen Johnson | 5 | Daughter | — | Illinois |
| 25 | Curtis Johnson | 2 | Son | — | Illinois |
| 26 | Area Block 18 And Begins Block 19 Note: | None | — | — | — |
| 27 | Paul Stragazzuso | 53 | Head | Janitor | Italy |
| 28 | Christina Stragazzuso | 50 | Wife | — | Italy |
| 29 | Anthony Stragazzuso | 26 | Son | Office Work | Illinois |
| 30 | Dolores Stragazzuso | 20 | Daughter | Typist | Illinois |
| 31 | Norma Stragazzuso | 11 | Daughter | — | Illinois |
| 32 | Joseph Notaro | 46 | Head | Barber | Italy |
| 33 | Mary Notaro | 39 | Wife | — | Italy |
| 34 | Sarah Notaro | 18 | Daughter | — | Illinois |
| 35 | Carmello Notaro | 16 | Son | — | Illinois |
| 36 | Catherine Notaro | 14 | Daughter | — | Illinois |
| 37 | Josephine Notaro | 11 | Daughter | — | Illinois |
| 38 | Isabell Notaro | 10 | Daughter | — | Illinois |
| 39 | Boyd Kessler | 30 | Head | Clerical | Illinois |
| 40 | Mary Kessler | 23 | Wife | — | Illinois |
Pedigree Summary
Herbert
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 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)