HJ
Harold Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Harold Johnson across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1908), then head of a 8-person household.
Age 32
b. ~1908
Male
Son
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 200 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Mechanic |
| Township / Ward | Denver City |
| Est. Birth Year | ~1908 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Clara Johnson | Daughter | — | 35 | ~1905 |
| Mildred Johnson | Daughter | — | 25 | ~1915 |
| Elizabeth Johnson | Daughter | — | 16 | ~1924 |
| Mabel Johnson | Daughter | — | 25 | ~1915 |
| Charles Johnson | Head | — | 60 | ~1880 |
| Sarah Johnson | Other | — | 33 | ~1907 |
| Harold Johnson | Son | — | 32 | ~1908 |
| Mildred Johnson | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Denver, Colorado
Son, age 12
Denver, Colorado · implied b. ~1908 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 22
Denver, Colorado · implied b. ~1908 — 43 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 32
Denver-County, Colorado · implied b. ~1908 — 8 household members
| Surname | Johnson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City |
| 1935 Residence (County) | Denver |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 200 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Harold Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence) and mother Mildred Johnson (~0.92 confidence) and mother Mildred Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mildred Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mildred Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Johnson
Son · 1940 · age 32 · b. ~1908 · Colorado
★ You are viewing this record
Sibling
Elizabeth Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Johnson
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Johnson
Sibling · 1940 · age 25
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
1940 US Federal Census — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00487-00195)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Wagner | 40 | Wife | Steno | Missouri |
| 2 | Carl Wagner | 13 | Son | — | Missouri |
| 3 | Darlene Wagner | 8 | Daughter | — | Colorado |
| 4 | Ida Burnsold | 56 | Head | — | Michigan |
| 5 | Emma Burnsold | 26 | Daughter | Steno | Michigan |
| 6 | Florence Rockhold | 27 | Lodger | Nurse | Montana |
| 7 | Harry Nicholson | 74 | Head | Teacher | Nebraska |
| 8 | Frances Nicholson | 72 | Wife | — | Missouri |
| 9 | Catherine Nicholson | 5 | Daughter | — | Colorado |
| 10 | Mabel Graves | 49 | Head | Steno | Missouri |
| 11 | Jack H. Graves | 21 | Son | Steno | Colorado |
| 12 | Robert Graves | 11 | Son | Steno | Colorado |
| 13 | James Mcdowland | 52 | Head | Mechanic | New York |
| 14 | Sara Mcdowland | 45 | Wife | Steno | Illinois |
| 15 | Charles Johnson | 60 | Head | Clerk | Nebraska |
| 16 | Mildred Johnson | 54 | Wife | Steno | Nebraska |
| 17 | Harold Johnson THIS PERSON | 32 | Son | Mechanic | Colorado |
| 18 | Sarah Johnson | 33 | Daughter-in-law | Steno | Kansas |
| 19 | Elizabeth Johnson | 16 | Daughter | — | Colorado |
| 20 | Clara G. Johnson | 35 | Daughter | — | Colorado |
| 21 | Mildred Johnson | 25 | Daughter | — | Colorado |
| 22 | Mabel Johnson | 25 | Daughter | — | Colorado |
| 23 | Harry Peterson | 34 | Head | Steno | Missouri |
| 24 | Stella Peterson | 49 | Daughter | Printer | Kansas |
| 25 | Louisa Smith | 65 | Lodger | Teacher | New York |
| 26 | Ludwig Seibel | 55 | Head | Driver | Colorado |
| 27 | Selma Seibel | 51 | Wife | Steno | Colorado |
| 28 | Frederick Seibel | 17 | Son | Steno | Colorado |
| 29 | Richard Seibel | 15 | Son | Steno | Colorado |
| 30 | Barbara Seibel | 11 | Daughter | — | Colorado |
| 31 | John Cameron | 36 | Head | Advisor | Colorado |
| 32 | Arline Cameron | 28 | Wife | — | Missouri |
| 33 | Cecile Chesnutt | 47 | Mother-in-law | — | Colorado |
| 34 | William Green | 59 | Head | Engineer | Scotland |
| 35 | Elizabeth Green | 58 | Wife | Steno | Scotland |
| 36 | Herbert Freasch | 41 | Head | Station Engineer | Ohio |
| 37 | Meta Freasch | 40 | Wife | — | Ohio |
| 38 | David Harris | 55 | Head | Salesman | Colorado |
| 39 | Kathryn Harris | 50 | Wife | Steno | Colorado |
Related Census Records
Pedigree Summary
Harold + 4 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 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)