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John Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this John Anderson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Anderson |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Salesman |
| Industry | Wholesale Hardware |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Salesman |
| Township / Ward | Portland City |
| Est. Birth Year | ~1915 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Anderson | Head | — | 25 | ~1915 |
| John Anderson | Son | — | 3 | ~1937 |
| Karen Anderson | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Multnomah, Oregon
Son, age 4
Multnomah, Oregon · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Illinois |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 15
Multnomah, Oregon · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Head, age 25
Multnomah-County, Oregon · implied b. ~1915 — 3 household members
| Surname | Anderson |
| Given Name | John C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Occupation | Salesman |
| Industry | Wholesale Hardware |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| 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 John Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and mother Mary Anderson (~0.92 confidence) and mother Mary Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Anderson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mary Anderson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Anderson
Head · 1940 · age 25 · b. ~1915 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03390-00530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kate E. La Mar | 67 | Head | — | Missouri |
| 42 | Florence H. La Mar | 40 | Daughter | Stenotype Operator | California |
| 43 | James E. Jones | 45 | Head | Shoe Repairer | Oregon |
| 44 | Allie May Jones | 35 | Wife | — | Idaho |
| 45 | Flora A. Willis | 78 | Mother-in-law | — | Illinois |
| 46 | Gordon M. Hickey | 52 | Lodger | Auto Mechanic | Washington |
| 47 | Etta M. Hickey | 47 | Lodger | — | Oregon |
| 48 | Robert C. Heller | 35 | Head | Service Dept. Representative | Indiana |
| 49 | Esther L. Heller | 31 | Wife | — | Illinois |
| 50 | Alice M. Franklin | 63 | Head | Cataloguer | Oregon |
| 51 | Ruby B. Lewis | 57 | Sister | — | Oregon |
| 53 | John C. Anderson THIS PERSON | 25 | Head | Salesman | Oregon |
| 54 | Karen F. Anderson | 23 | Wife | — | Utah |
| 55 | John F. Anderson | 3 | Son | — | Oregon |
| 56 | Roy M. Gavin | 43 | Head | Lumberman | Oregon |
| 57 | Agnes F. Gavin | 40 | Wife | — | Ohio |
| 58 | Le Roy A. Gavin | 15 | Son | — | Oregon |
| 59 | Elizabeth Gavin | 75 | Mother | — | Wisconsin |
| 60 | Arthur W. Bergstrom | 31 | Nephew | — | Oregon |
| 61 | Michael J. Buckley | 37 | Head | Claims Representative | Montana |
| 62 | Esther E. Buckley | 34 | Wife | — | Washington |
| 63 | Julia M. Buckley | 65 | Mother | — | Oregon |
| 64 | Fred F. Terry | 48 | Head | Inspector | Argentina |
| 65 | Ruth Terry | 47 | Wife | — | Washington |
| 66 | Catherine Finney | 63 | Head | — | Michigan |
| 67 | Charles F. Smith | 51 | Head | Sheet Metal Worker | Nebraska |
| 68 | Agnes M. Smith | 61 | Wife | — | Illinois |
| 69 | John Schilling | 59 | Head | Restaurant Manager | Holland |
| 70 | Lillian A. Schilling | 28 | Wife | — | Oregon |
| 71 | Chris P. Fleck | 57 | Head | Repairer | Germany |
| 72 | Magda M. Fleck | 56 | Wife | — | Germany |
| 73 | Katherine Fleck | 27 | Daughter | Saleswoman | Germany |
| 74 | Adam Fleck | 25 | Son | Laborer | North Dakota |
| 75 | Alf Simonsen | 47 | Head | Storekeeper | Norway |
| 76 | Grace O. Simonsen | 49 | Wife | — | Minnesota |
| 77 | Constance Simonsen | 20 | Daughter | — | Oregon |
| 78 | Donald R. Simonsen | 19 | Son | New Worker | Oregon |
| 79 | Mildred A. Simonsen | 17 | Daughter | Waitress | Oregon |
Pedigree Summary
John
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)