PJ
Peter Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grand-Forks-County, North Dakota
Our Model Tree links this Peter Johnson across the 1920, 1930 and 1940 US Censuses in Grand-Forks-County, North Dakota (XGBoost, ~Confirmed), with identified parents Sylvester & Christine — first a head (b.~1895), then head of a 8-person household.
Age 45
b. ~1895
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grand-Forks-County, North Dakota |
| Surname | Johnson |
| Given Name | Peter, L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Walshville Twp. |
| 1935 Residence (County) | Walsh |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farming |
| Township / Ward | Walshville Twp |
| Est. Birth Year | ~1895 |
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 Peter | Age | Birth yr |
|---|---|---|---|---|
| Clara Johnson | Daughter | — | 4 | ~1936 |
| Peter Johnson | Head | — | 45 | ~1895 |
| Vernon Johnson | Son | — | 10 | ~1930 |
| Philip Johnson | Son | — | 11 | ~1929 |
| Charles Johnson | Son | — | 5 | ~1935 |
| Arnold Johnson | Son | — | 7 | ~1933 |
| O-Val Johnson | Son | — | 16 | ~1924 |
| Alma Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Grand Forks, …
Son, age 25
Grand Forks, North Dakota · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peder J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Grand Forks, …
Head, age 35
Grand Forks, North Dakota · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 27 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Grand-Forks-County, North …
Head, age 45
Grand-Forks-County, North Dakota · implied b. ~1895 — 8 household members
| Surname | Johnson |
| Given Name | Peter, L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Walshville Twp. |
| 1935 Residence (County) | Walsh |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 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 Peter Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sylvester Johnson (~0.92 confidence) and mother Christine Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sylvester Johnson
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Christine Johnson
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Peter Johnson
Head · 1940 · age 45 · b. ~1895 · North Dakota
★ 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 — Grand-Forks-County, North Dakota
Open full size
1940 US Federal Census — Grand-Forks-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03002-01032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Duane, V. La Roque | 12 | Son | — | North Dakota |
| 2 | Vernon La Roque | 10 | Son | — | North Dakota |
| 3 | Ronald La Roque | 8 | Son | — | North Dakota |
| 4 | Gloria La Roque | 6 | Daughter | — | North Dakota |
| 5 | Wilmore La Roque | 4 | Son | — | North Dakota |
| 6 | Arthur, K. Fryland | 56 | Head | Farming | North Dakota |
| 7 | Knut, O. Fryland | 43 | Husband | Farming | North Dakota |
| 8 | Arnold Fryland | 30 | Son | Farming | North Dakota |
| 9 | Halvor Fryland | 28 | Son | Counter Helper | North Dakota |
| 10 | Howard Ryglad | 27 | Hired hand | Farming | Minnesota |
| 11 | Peter, L. Johnson THIS PERSON | 45 | Head | Farming | North Dakota |
| 12 | Alma, L. Johnson | 44 | Wife | — | North Dakota |
| 13 | O-Val, S. Johnson | 16 | Son | — | North Dakota |
| 14 | Vernon, L. Johnson | 10 | Son | — | North Dakota |
| 15 | Philip, L. Johnson | 11 | Son | — | North Dakota |
| 16 | Arnold, M. Johnson | 7 | Son | — | North Dakota |
| 17 | Charles, C. Johnson | 5 | Son | — | North Dakota |
| 18 | Clara, L. Johnson | 4 | Daughter | — | North Dakota |
| 19 | Ingolf, R. Johnson | 45 | Head | Farming | North Dakota |
| 20 | Anna, E. Johnson | 40 | Wife | — | North Dakota |
| 21 | Dorothy, C. Johnson | 13 | Daughter | — | North Dakota |
| 22 | Stanley, M. Johnson | 11 | Son | — | North Dakota |
| 23 | Alice, G. Johnson | 9 | Daughter | — | North Dakota |
| 24 | Curtis, C. Halter | 23 | Head | Common Laborer | North Dakota |
| 25 | Alice Halter | 20 | Wife | — | North Dakota |
| 26 | Gerald, L. Halter | 0 | Son | — | North Dakota |
| 27 | Martin, A. Kolstade | 43 | Head | Farming | Minnesota |
| 28 | Evelyn Kolstade | 30 | Wife | — | Minnesota |
| 29 | Merle, D. Kolstade | 9 | Son | — | North Dakota |
| 30 | Wayne, R. Kolstade | 6 | Son | — | North Dakota |
| 31 | Calvin, A. Kolstade | 1 | Son | — | North Dakota |
| 32 | Ole, E. Staveteig | 45 | Head | Farming | North Dakota |
| 33 | Mabel, O. Staveteig | 37 | Wife | — | Minnesota |
| 34 | Ennis, T. Staveteig | 16 | Son | Farming | North Dakota |
| 35 | Lloyd, O. Staveteig | 15 | Son | Farming | North Dakota |
| 36 | Rudell, C. Staveteig | 12 | Son | Farming | North Dakota |
| 37 | Lorraine, C. Staveteig | 10 | Daughter | — | North Dakota |
| 38 | George, K. Staveteig | 4 | Son | — | North Dakota |
| 39 | Dolores Staveteig | 6 | Daughter | — | North Dakota |
| 40 | Marvin Staveteig | 28 | Hired hand | Farming | North Dakota |
Pedigree Summary
Peter
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)