PJ
Peter Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clark-County, Washington
Our Model Tree links this Peter Johnson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Clark-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 3-person household.
Age 66
b. ~1874
Male
Head
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Washington |
| Surname | Johnson |
| Given Name | Peter H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Prec. 26, Lackamas |
| 1935 Residence (County) | Clark |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Farming |
| Industry | Own farm |
| Class of Worker | OA |
| Hours Worked | 94 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Farming |
| Township / Ward | Prec 26 Lackamas |
| Est. Birth Year | ~1874 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Peter Johnson | Head | — | 66 | ~1874 |
| Ivan Johnson | Son | — | 20 | ~1920 |
| Hulda Johnson | Spouse | — | 53 | ~1887 |
Census Appearances
1900
Clarke, Washington
Head, age 31
Clarke, Washington · implied b. ~1869 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Norway |
| Birth Month | Aug |
| Birth Year | 1869 |
| Year of Immigration | 1888 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Day Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1910
Clark, Washington
Head, age 40
Clark, Washington · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 9 |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Clark, Washington
Head, age 50
Clark, Washington · implied b. ~1870 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1883 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Norway |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | norway |
1930
Clark, Washington
Head, age 61
Clark, Washington · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 31 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Clark-County, Washington
Head, age 66
Clark-County, Washington · implied b. ~1874 — 3 household members
| Surname | Johnson |
| Given Name | Peter H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Prec. 26, Lackamas |
| 1935 Residence (County) | Clark |
| Naturalization Status | Naturalized |
| Occupation | Farming |
| Industry | Own farm |
| Class of Worker | OA |
| Hours Worked | 94 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Peter Johnson
Head · 1940 · age 66 · b. ~1874 · Washington
★ 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 — Clark-County, Washington
Open full size
1940 US Federal Census — Clark-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04334-00447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matt Kurtzhoffman | 52 | Head | Farming | Washington |
| 2 | Edith H Kurtzhoffman | 48 | Wife | — | Washington |
| 3 | Margaret A Kurtzhoffman | 18 | Daughter | Kitchen Helper | Washington |
| 4 | Vernon M Kurtzhoffman | 14 | Son | — | Washington |
| 5 | Robert James Kurtzhoffman | 12 | Son | — | Washington |
| 6 | David Lee Kurtzhoffman | 5 | Son | — | Washington |
| 7 | Fred M (Ab.) Kurtzhoffman | 23 | Son | Logging | Washington |
| 8 | Richard Niemi | 43 | Head | Farming | Illinois |
| 9 | Thelma Niemi | 31 | Wife | — | Oregon |
| 10 | Donovan E Niemi | 11 | Son | — | Oregon |
| 11 | Lawrence Niemi | 10 | Son | — | Oregon |
| 12 | Gustaf A Holt | 54 | Lodger | Farm Labour | Washington |
| 13 | Tobias M Niemi | 66 | Head | — | Finland |
| 14 | Sandra A Niemi | 60 | Wife | — | Finland |
| 15 | Vienna A Niemi | 14 | Daughter | — | Washington |
| 16 | Herman O Nuuttila | 58 | Head | Farming | Finland |
| 17 | Hanna Nuuttila | 53 | Wife | — | Finland |
| 18 | Robert W Nuuttila | 13 | Son | — | Washington |
| 19 | Waino M Pietila | 33 | Head | Farming | Washington |
| 20 | Maria L Pietila | 70 | Mother | — | Finland |
| 21 | Eino Keranen | 31 | Lodger | Farm Labour | Oregon |
| 22 | John P Muran | 54 | Head | Carman | Finland |
| 23 | Ella M Muran | 57 | Wife | — | Finland |
| 24 | Eli Arola | 74 | Head | — | Finland |
| 25 | Sam Arola | 61 | Head | Farming | Finland |
| 26 | Hilta P Arola | 51 | Wife | — | Finland |
| 27 | Toivo E Arola | 21 | Son | Farm Helper | Washington |
| 28 | Eleanor E Arola | 17 | Daughter | — | Washington |
| 29 | William A Arola | 15 | Son | — | Washington |
| 30 | Ernest Arola | 11 | Son | — | Washington |
| 31 | Victor M Nell | 46 | Head | Logging | Washington |
| 32 | Elizabeth V Nell | 41 | Wife | — | Oregon |
| 33 | Edland V Nell | 19 | Son | Packing | Washington |
| 34 | Doris M Nell | 15 | Daughter | — | Oregon |
| 35 | Helen S Hendrickson | 51 | Head | Farming | Finland |
| 36 | Jacob (Ab) Hendrickson | 19 | Son | Falling Tree | Washington |
| 37 | Gerald Hendrickson | 17 | Son | — | Wyoming |
| 38 | Peter H Johnson THIS PERSON | 66 | Head | Farming | Norway |
| 39 | Hulda A Johnson | 53 | Wife | — | Sweden |
| 40 | Ivan H Johnson | 20 | Son | Bucking | Washington |
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)