HJ
Herman Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Logan-County, Illinois
Our Model Tree links this Herman Johnson across the 1920, 1930 and 1940 US Censuses in Logan-County, Illinois (XGBoost, ~Confirmed), with identified parents James & Evelyn — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Illinois |
| Surname | Johnson |
| Given Name | Herman |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Atlanta Township |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Occupation | Laborer |
| Industry | on a farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 600 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Atlanta Township |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Herman | Age | Birth yr |
|---|---|---|---|---|
| Marie Johnson | Daughter | — | 6 | ~1934 |
| Herman Johnson | Head | — | 36 | ~1904 |
| Donald Johnson | Son | — | 13 | ~1927 |
| Mildred Johnson | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Mclean, Illinois
Son, age 16
Mclean, Illinois · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herman |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mclean, Illinois
Head, age 26
Mclean, Illinois · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Herman |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Labourer |
| Industry | Gravel Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Logan-County, Illinois
Head, age 36
Logan-County, Illinois · implied b. ~1904 — 4 household members
| Surname | Johnson |
| Given Name | Herman |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Atlanta Township |
| 1935 Residence (County) | Logan |
| Occupation | Laborer |
| Industry | on a farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 600 |
| Highest Grade | 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 Herman Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Johnson (~0.92 confidence) and mother Evelyn Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Evelyn Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herman Johnson
Head · 1940 · age 36 · b. ~1904 · 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 — Logan-County, Illinois
Open full size
1940 US Federal Census — Logan-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00838-00065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W. Prufer | 68 | Head | Farmer | Illinois |
| 42 | Cora Prufer | 58 | Wife | — | Illinois |
| 43 | William Prufer | 38 | Son | Laborer | Illinois |
| 44 | Ruth Prufer | 30 | Daughter | — | Illinois |
| 45 | Samuel O. Keft | 51 | Head | Farmer | Illinois |
| 46 | Margaret Keft | 15 | Daughter | — | Illinois |
| 47 | Eileen Keft | 12 | Daughter | — | Illinois |
| 48 | Oscar O. Brandt | 45 | Head | Farmer | Illinois |
| 49 | Anna Brandt | 46 | Wife | — | Illinois |
| 50 | Anna Marie Brandt | 18 | Daughter | — | Illinois |
| 51 | John Brandt | 16 | Son | — | Illinois |
| 52 | Edna Brandt | 12 | Daughter | — | Illinois |
| 53 | Oscar O. Mountjoy | 59 | Head | Farmer | Illinois |
| 54 | Emma Mountjoy | 52 | Wife | — | Illinois |
| 55 | Robert Sweeney | 61 | Boarder | Laborer | Illinois |
| 56 | Hardin O. Ellis | 48 | Head | Farmer | Illinois |
| 57 | Irma Ellis | 48 | Wife | — | Illinois |
| 58 | Robert Ellis | 7 | Nephew | — | Illinois |
| 59 | J. A. O. Kabit | 28 | Head | Farmer | Illinois |
| 60 | Frank Kabit | 25 | Brother | Farmer | Illinois |
| 61 | Joe Kabit | 18 | Brother | — | Illinois |
| 62 | Jennie Kabit | 62 | Mother | — | Illinois |
| 63 | Russell Johnson | 22 | Head | Laborer | Illinois |
| 64 | Mildred Johnson | 19 | Wife | — | Illinois |
| 65 | Betty Joe Johnson | 0 | Daughter | — | Illinois |
| 66 | Herman Johnson THIS PERSON | 36 | Head | Laborer | Illinois |
| 67 | Mildred A. Johnson | 33 | Wife | — | Illinois |
| 68 | Donald Johnson | 13 | Son | — | Illinois |
| 69 | Marie Johnson | 6 | Daughter | — | Illinois |
| 70 | Robert O. Hertheim | 30 | Head | Laborer | Illinois |
| 71 | Nanice Hertheim | 30 | Wife | — | Illinois |
| 72 | Lynd Hertheim | 2 | Daughter | — | Illinois |
| 73 | Frances Hertheim | 0 | Daughter | — | Illinois |
| 74 | Edward O. Behl | 36 | Head | Laborer | Illinois |
| 75 | Gladys Behl | 34 | Wife | — | Illinois |
| 76 | Sidney Ynalley | 50 | Head | Laborer | Illinois |
| 77 | Grace Ynalley | 45 | Wife | — | Illinois |
| 78 | Marvin Ynalley | 22 | Son | Laborer | Illinois |
| 79 | Dale Ynalley | 20 | Son | Laborer | Illinois |
| 80 | Claude A. Bowser | 63 | Head | Owner | Illinois |
Pedigree Summary
Herman
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 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)