HJ
Harold Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Eddy-County, North Dakota
Our Model Tree links this Harold Johnson across the 1920, 1930 and 1940 US Censuses in Eddy-County, North Dakota (XGBoost, ~Confirmed), with identified parents Nels & H — first a son (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Son
Born: North Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Eddy-County, North Dakota |
| Surname | Johnson |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Grandfield Township |
| 1935 Residence (County) | Eddy |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Laborer |
| Township / Ward | Grandfield Township |
| Est. Birth Year | ~1909 |
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 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Nels Johnson | Head | — | 73 | ~1867 |
| Arthur Martinson | Other | — | 19 | ~1921 |
| Harold Johnson | Son | — | 31 | ~1909 |
| Kenneth Johnson | Son | — | 25 | ~1915 |
| Reuben Johnson | Son | — | 39 | ~1901 |
| Chester Johnson | Son | — | 36 | ~1904 |
| Amanda Johnson | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Eddy, North …
Son, age 11
Eddy, North Dakota · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Eddy, North …
Son, age 21
Eddy, North Dakota · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harold G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Eddy-County, North …
Son, age 31
Eddy-County, North Dakota · implied b. ~1909 — 7 household members
| Surname | Johnson |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | North Dakota |
| 1935 Residence (City) | Grandfield Township |
| 1935 Residence (County) | Eddy |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Nels Johnson (~0.92 confidence) and father H Johnson (~0.92 confidence) and father Nels Johnson (~0.92 confidence) and mother Amanda Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
H Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Nels Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Amanda Johnson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Johnson
Son · 1940 · age 31 · b. ~1909 · North Dakota
★ You are viewing this record
Sibling
Reuben Johnson
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Johnson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth 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 — Eddy-County, North Dakota
Open full size
1940 US Federal Census — Eddy-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03000-00400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Audrey A. Anderson | 31 | Wife | — | Iowa |
| 2 | Hjelmer Peterson | 48 | Hired Hand | Laborer | Sweden |
| 3 | Floyd Kinkead | 17 | Hired Hand | Laborer | North Dakota |
| 4 | Nels A. Johnson | 73 | Head | Farmer | Sweden |
| 5 | Amanda S. Johnson | 69 | Wife | — | Minnesota |
| 6 | Reuben Johnson | 39 | Son | Laborer | Minnesota |
| 7 | Chester F. Johnson | 36 | Son | Laborer | Minnesota |
| 8 | Harold E. Johnson THIS PERSON | 31 | Son | Laborer | North Dakota |
| 9 | Kenneth G. Johnson | 25 | Son | Laborer | North Dakota |
| 10 | Arthur Martinson | 19 | Hired Hand | Laborer | North Dakota |
| 11 | Ivan O. Tuntland | 27 | Head | Farmer | Iowa |
| 12 | Myrtle Tuntland | 26 | Wife | — | North Dakota |
| 13 | Harlan Eugene Tuntland | 3 | Son | — | North Dakota |
| 14 | Carol Marie Tuntland | 1 | Daughter | — | North Dakota |
| 15 | Glen Gund | 15 | Hired Hand | New Worker | Wisconsin |
| 16 | Tho. W. Knatterud | 71 | Head | — | Norway |
| 17 | Julius Jensen | 61 | Nephew | Laborer | Norway |
| 18 | Martha Jensen | 50 | Nephew | — | Norway |
| 19 | H. O. Hendrickson | 69 | Head | Farmer | Minnesota |
| 20 | Carrie Hendrickson | 69 | Wife | — | Norway |
| 21 | Arthur Hendrickson | 38 | Son | Laborer | North Dakota |
| 22 | Arthur Hendrickson | 30 | Son | Farmer | North Dakota |
| 23 | Cora Hendrickson | 28 | Daughter | Teacher | North Dakota |
| 24 | Rudolph Anderson | 42 | Head | Farmer | Minnesota |
| 25 | Mabel Anderson | 37 | Wife | — | North Dakota |
| 26 | Anna Johnson | 74 | Mother in law | — | Finland |
| 27 | M. O. Tuntland | 82 | Head | — | Norway |
| 28 | Omer Tuntland | 57 | Son | Farmer | Iowa |
| 29 | Orrin Tuntland | 31 | Head | Farmer | Illinois |
| 30 | B. H. Hendrickson | 36 | Head | Farmer | North Dakota |
| 31 | Myrtle Hendrickson | 35 | Wife | — | North Dakota |
| 32 | Clarys Hendrickson | 7 | Daughter | — | North Dakota |
| 33 | Bernadine Hendrickson | 5 | Daughter | — | North Dakota |
| 34 | H. J. Hendrickson | 80 | Father | — | Minnesota |
| 35 | Oscar Halequist | 29 | Hired Hand | Laborer | North Dakota |
| 36 | Edward Sund | 57 | Head | Farmer | Norway |
| 37 | Petra Sund | 47 | Wife | — | Norway |
| 38 | Thelma Sund | 21 | Daughter | House Work | North Dakota |
| 39 | Harold Sund | 12 | Son | — | North Dakota |
| 40 | Earling Sund | 11 | Son | — | North Dakota |
Related Census Records
Pedigree Summary
Harold + 3 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)