AT
Alfred Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Oregon
Our Model Tree links this Alfred Thomas across the 1920, 1930 and 1940 US Censuses in Marion-County, Oregon (XGBoost, ~Confirmed), with identified parents Asa & Noras — first a son (b.~1912), then head of a 2-person household.
Age 28
b. ~1912
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Oregon |
| Surname | Thomas |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | West Mount Angel Precinct |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Farmer |
| Township / Ward | West Mount Angel Precinct |
| Est. Birth Year | ~1912 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alfred | Age | Birth yr |
|---|---|---|---|---|
| Alfred Thomas | Son | — | 28 | ~1912 |
| Asa Thomas | Head | — | 54 | ~1886 |
Census Appearances
1920
Marion, Oregon
Son, age 7
Marion, Oregon · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Marion, Oregon
Son, age 15
Marion, Oregon · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Marion-County, Oregon
Son, age 28
Marion-County, Oregon · implied b. ~1912 — 2 household members
| Surname | Thomas |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | West Mount Angel Precinct |
| 1935 Residence (County) | Marion |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Alfred Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Asa Thomas (~0.92 confidence) and father Noras Thomas (~0.92 confidence) and mother Eva Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Asa Thomas
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Noras Thomas
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Eva Thomas
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alfred Thomas
Son · 1940 · age 28 · b. ~1912 · 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 — Marion-County, Oregon
Open full size
1940 US Federal Census — Marion-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03375-00674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Chadoin | 37 | Head | Farm Laborer | Nebraska |
| 42 | Hazel Chadoin | 27 | Wife | — | Nebraska |
| 43 | Hazel Chadoin | 8 | Daughter | — | Texas |
| 44 | Samuel Jr Chadoin | 6 | Son | — | Nebraska |
| 45 | Betty Jean Chadoin | 5 | Daughter | — | Nebraska |
| 46 | Son Le Vaughn | 1 | Son | — | Washington |
| 47 | Edwin Hatteberg | 40 | Head | Farmer | Oregon |
| 48 | Vimona Hatteberg | 43 | Wife | — | Oregon |
| 49 | Clara Buhr | 58 | Head | — | Wisconsin |
| 50 | Agnes Buhr | 22 | Daughter | — | Oregon |
| 51 | Raymond Buhr | 15 | Son | Farmer | Oregon |
| 52 | Walter Knuble | 65 | Head | Farmer | Germany |
| 53 | Susan Knuble | 52 | Wife | — | Wisconsin |
| 54 | Mary Knuble | 26 | Daughter | — | Washington |
| 55 | John Knuble | 22 | Son | Farm Laborer | Washington |
| 56 | Josephine Knuble | 19 | Daughter | — | Washington |
| 57 | Francis Knuble | 16 | Son | Farm Laborer | Oregon |
| 58 | Theresa Knuble | 12 | Daughter | — | Oregon |
| 59 | Asa Thomas | 54 | Head | Farmer | Oregon |
| 60 | Alfred Thomas THIS PERSON | 28 | Son | Farmer | California |
| 61 | Ben Hage | 48 | Head | Farmer | Norway |
| 62 | Helen Hage | 35 | Wife | — | Nebraska |
| 63 | Joseph Fry | 38 | Head | Farmer | Germany |
| 64 | Josephine Fry | 37 | Wife | — | Germany |
| 65 | Joseph Jr. Fry | 12 | Son | — | Nebraska |
| 66 | John Fry | 11 | Son | — | Nebraska |
| 67 | Andrew Fry | 8 | Son | — | Nebraska |
| 68 | Anton Fry | 7 | Son | — | Nebraska |
| 69 | Katherine Fry | 3 | Daughter | — | Nebraska |
| 70 | Mary Fry | 1 | Daughter | — | Oregon |
| 71 | Michael Fry | 0 | Son | — | Oregon |
| 72 | Matt Schultz | 51 | Head | Farmer | Minnesota |
| 73 | Martha Schultz | 49 | Wife | — | Minnesota |
| 74 | Monica Schultz | 21 | Daughter | Attendant | North Dakota |
| 75 | Edward Schultz | 20 | Son | Farm Laborer | North Dakota |
| 76 | Anthony Schultz | 15 | Son | — | North Dakota |
| 77 | Rita Schultz | 11 | Daughter | — | North Dakota |
| 78 | Dolores Schultz | 4 | Daughter | — | North Dakota |
| 79 | Albert H. Schierbaum | 67 | Head | Medical Doctor | Missouri |
| 80 | Hattie J. Schierbaum | 62 | Wife | — | Illinois |
Pedigree Summary
Alfred
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)