LA
Louis Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Louis Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | clerk |
| Industry | state liquor store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | Portland City |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Louis Osberg | Other | — | 86 | ~1854 |
| Louis Anderson | Son | — | 35 | ~1905 |
| Helen Osborn | Daughter | — | 37 | ~1903 |
| Josephine Anderson | Head | — | 1 | ~1939 |
Census Appearances
1910
Clackamas, Oregon
Son, age 4
Clackamas, Oregon · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Multnomah, Oregon
Son, age 14
Multnomah, Oregon · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Multnomah, Oregon
Son, age 24
Multnomah, Oregon · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lewis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Operator |
| Industry | Filling Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Multnomah-County, Oregon
Son, age 35
Multnomah-County, Oregon · implied b. ~1905 — 4 household members
| Surname | Anderson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Occupation | clerk |
| Industry | state liquor store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Louis Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Fred Anderson (~0.92 confidence) and father Fred Anderson (~0.92 confidence) and father Frederick Anderson (~0.92 confidence) and mother Josephine Anderson (~0.92 confidence) and mother Josephine Anderson (~0.50 confidence) and mother Josephine Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.85
Father
Fred Anderson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Fred Anderson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Frederick Anderson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Josephine Anderson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Josephine Anderson
b. ~1939
Source mother
● Household
· direct · ~0.5
Mother
Josephine Anderson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Anderson
Son · 1940 · age 35 · b. ~1905 · Oregon
★ You are viewing this record
Sibling
Helen Osborn
Sibling · 1940 · age 37
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
35 people indexed on this census page (nara:1940:m-t0627-03394-00632)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jeanette A. Rossini | 9 | Granddaughter | — | California |
| 2 | Garold O. Schmidt | 31 | Head | Tallyman | Oregon |
| 3 | Esther Schmidt | 30 | Wife | Clerk | Oregon |
| 4 | Alfonso Di Vincenzo | 53 | Head | Manager Owner | Italy |
| 5 | Jeanetta Di Vincenzo | 30 | Wife | — | Italy |
| 6 | Henry Di Vincenzo | 10 | Son | — | Oregon |
| 7 | Richard Di Vincenzo | 7 | Son | — | Oregon |
| 8 | Paul A. Bolf | 36 | Head | Night Watchman | Texas |
| 9 | Anna Marie Bolf | 7 | Daughter | — | Oregon |
| 10 | Henry B. Bolf | 33 | Head | Edgerman | Texas |
| 11 | Jeanette Bolf | 23 | Wife | — | Washington |
| 12 | William H. Bolf | 2 | Son | — | Oregon |
| 13 | Roger B. Bolf | 0 | Son | — | Oregon |
| 14 | John W. Johnson | 55 | Head | Wood-Cutter | Finland |
| 15 | Vernon Blom | 27 | Head | Druggist | Washington |
| 16 | Iralda Blom | 25 | Wife | Clerk | Oregon |
| 17 | John Spathis | 55 | Head | Cutoff Saw | Greece |
| 18 | Isaac Wickstrom | 60 | Head | Log Scaler | Finland |
| 19 | Ida Wickstrom | 61 | Wife | — | Finland |
| 20 | Charlotte Kramer | 18 | Daughter | New Worker | Oregon |
| 21 | Mary Kramer | 29 | Daughter | Beauty Operator | Oregon |
| 22 | Betty Jean Kramer | 7 | Daughter | — | Oregon |
| 23 | Edith Hall | 24 | Daughter | New Worker | Oregon |
| 24 | Ruby Johansen | 39 | Head | Waitress | Missouri |
| 25 | George Johansen | 41 | Husband | Pile Driver | Norway |
| 26 | Audrey Carroll | 16 | Daughter | — | Washington |
| 27 | Opal Carroll | 15 | Daughter | — | Oregon |
| 28 | Lillie Ford | 63 | Head | Chamber Maid | Maryland |
| 29 | Roy F. Stout | 46 | Head | Steam Fitter | South Dakota |
| 30 | Kyle Stout | 23 | Son | Auto Mechanic | North Dakota |
| 31 | Harold Stout | 18 | Son | — | Oregon |
| 32 | Josephine P. Anderson | 1 | Head | Clerk And Agent | Sweden |
| 33 | Louis Anderson THIS PERSON | 35 | Son | Clerk | California |
| 34 | Helen Osborn | 37 | Daughter | School Teacher | Oregon |
| 35 | Louis Osberg | 86 | Father | — | Sweden |
Pedigree Summary
Louis + 1 sibling
Gen 1 · 6 parents
~0.85
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)