LJ
Lois Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Lois Johnson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Ingvorg & Spurgeon — first a daughter (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 864 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Clerk |
| Township / Ward | Portland City |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Lois Johnson | Daughter | — | 24 | ~1916 |
| Carol Johnson | Daughter | — | 20 | ~1920 |
| Ingvorg Johnson | Head | — | 54 | ~1886 |
| Howard Johnson | Son | — | 25 | ~1915 |
| Kenneth Johnson | Son | — | 19 | ~1921 |
| Pearl Johnson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Multnomah, Oregon
Daughter, age 4
Multnomah, Oregon · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Daughter, age 14
Multnomah, Oregon · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lois E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Daughter, age 24
Multnomah-County, Oregon · implied b. ~1916 — 6 household members
| Surname | Johnson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 864 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Lois Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ingvorg Johnson (~0.92 confidence) and father Spurgeon Johnson (~0.92 confidence) and mother Pearl Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ingvorg Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Spurgeon Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Pearl Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lois Johnson
Daughter · 1940 · age 24 · b. ~1916 · Oregon
★ You are viewing this record
Sibling
Howard Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Johnson
Sibling · 1940 · age 19
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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03388-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gerasemos Palumbo | 47 | Head | Pantry Man | Greece |
| 42 | Fofo Palumbo | 33 | Wife | — | Greece |
| 43 | Takey Palumbo | 11 | Son | — | Oregon |
| 44 | Tula Palumbo | 9 | Daughter | — | Oregon |
| 45 | Elvera Palumbo | 3 | Daughter | — | Oregon |
| 46 | John E Sullivan | 56 | Head | Salesman | Iowa |
| 47 | Elizabeth Sullivan | 59 | Wife | — | Iowa |
| 48 | Eunice Smith | 59 | Head | Nurse | Illinois |
| 49 | Alice Smith | 65 | Sister | — | Illinois |
| 50 | Karl Fnabie | Frabie | 35 | Head | Credit Man | Canada |
| 51 | Katherine Fnabie | Frabie | 35 | Wife | — | Washington |
| 52 | George Fnabie | Frabie | 8 | Son | — | Oregon |
| 53 | Ingvorg | Ingvorg Johnson | 54 | Head | Owner | Minnesota |
| 54 | Pearl Johnson | 51 | Wife | — | Minnesota |
| 55 | Howard Johnson | 25 | Son | Clerk | Oregon |
| 56 | Lois Johnson THIS PERSON | 24 | Daughter | Clerk | Oregon |
| 57 | Carol Johnson | 20 | Daughter | Billing Clerk | Oregon |
| 58 | Kenneth Johnson | 19 | Son | — | Oregon |
| 59 | Elma Chambreau | 54 | Head | — | Montana |
| 60 | Loraine Ostrander | 25 | Daughter | Photographic | Oregon |
| 61 | Paul Ostrander | 5 | Son | — | Oregon |
| 62 | Yvonne Ostrander | 3 | Daughter | — | Idaho |
| 63 | Judith Ostrander | 1 | Daughter | — | California |
| 64 | Joanne Ostrander | 1 | Daughter | — | California |
| 65 | John S Crittenden | 65 | Head | Clerk | Illinois |
| 66 | Clara Crittenden | 60 | Wife | — | Sweden |
| 67 | Frank E Andrews | 51 | Head | Letter Carrier | Minnesota |
| 68 | Annie R Creighton | 66 | Head | — | Minnesota |
| 69 | Michael Dizurick | 60 | Head | Tailor | Austria |
| 70 | Clara Dizurick | 30 | Daughter | Clerk | Washington |
| 71 | Josephine Dizurick | 28 | Daughter | Stenographer | Washington |
| 72 | Gladys Dizurick | 20 | Daughter | — | Washington |
| 73 | James Dizurick | 15 | Son | — | Washington |
| 74 | Oscar Smith | 53 | Head | Shipping Clerk | Oregon |
| 75 | Jane Smith | 48 | Wife | — | Oklahoma |
| 76 | Thade Smith | 12 | Son | — | Oregon |
| 77 | Hattie Peterson | 67 | Head | — | Sweden |
| 78 | Mildred Himburg | 38 | Daughter | — | Omaha | Nebraska |
| 79 | John Johnson | 56 | Head | Janitor | Norway |
| 80 | Martha Modrell | 58 | Sister | — | Norway |
Related Census Records
Pedigree Summary
Lois + 3 siblings
Gen 1 · 3 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)