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John Spencer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Benton-County, Oregon
Our Model Tree links this John Spencer across the 1910, 1920, 1930 and 1940 US Censuses in Benton-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 8-person household.
Age 61
b. ~1879
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Benton-County, Oregon |
| Surname | Spencer |
| Given Name | John M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Alsea Precinct |
| 1935 Residence (County) | Benton |
| Additional Details | |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Alsea Precinct |
| Est. Birth Year | ~1879 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Spencer | Head | — | 61 | ~1879 |
| Gary Spencer | Other | — | 1 | ~1939 |
| Jessie Spencer | Other | — | 25 | ~1915 |
| Philip Spencer | Other | — | 5 | ~1935 |
| Ray Spencer | Son | — | 26 | ~1914 |
| Lily Spencer | Son | — | 23 | ~1917 |
| Lester Spencer | Son | — | 23 | ~1917 |
| Mamie Spencer | Spouse | — | 59 | ~1881 |
Census Appearances
1910
Benton, Oregon
Head, age 31
Benton, Oregon · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Oregon |
| Years Married | 5 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1920
Benton, Oregon
Head, age 40
Benton, Oregon · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Benton, Oregon
Head, age 51
Benton, Oregon · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 25 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Benton-County, Oregon
Head, age 61
Benton-County, Oregon · implied b. ~1879 — 8 household members
| Surname | Spencer |
| Given Name | John M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Alsea Precinct |
| 1935 Residence (County) | Benton |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Spencer across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Spencer
Head · 1940 · age 61 · b. ~1879 · Oregon
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Benton-County, Oregon
Open full size
1940 US Federal Census — Benton-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03353-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Lou Jackson | 11 | daughter | — | Oregon |
| 42 | Ray Jackson | 37 | head | Laborer | Missouri |
| 43 | Shellie Jackson | 34 | wife | — | Missouri |
| 44 | Junior Harrison Jackson | 13 | son | — | Missouri |
| 45 | Mary Lou Jackson | 11 | daughter | — | Missouri |
| 46 | Raymond Howard Jackson | 9 | son | — | Missouri |
| 47 | Vernia Harold Jackson | 6 | son | — | Missouri |
| 48 | Virginia Fay Jackson | 5 | daughter | — | Oregon |
| 49 | Sallie Ruth Jackson | 2 | daughter | — | Oregon |
| 50 | Loretta Jane Jackson | 1 | daughter | — | Oregon |
| 51 | Anna Wicklander | 58 | head | Farmerette | Sweden |
| 52 | James D. Bowen | 67 | head | Farmerette | Missouri |
| 53 | Harold Mccormack | 52 | hired man | Laborer | Oregon |
| 54 | Walter Mccormack | 45 | hired man | — | Oregon |
| 55 | Elden Bowen | 70 | husband | — | Oregon |
| 56 | John M. Spencer THIS PERSON | 61 | head | — | Oregon |
| 57 | Mamie H. Spencer | 59 | wife | — | Iowa |
| 58 | Lily James Spencer | 23 | son | — | Oregon |
| 59 | Lester William Spencer | 23 | son | — | Oregon |
| 60 | Ray E. Spencer | 26 | son | Government | Oregon |
| 61 | Jessie Spencer | 25 | daughter in law | — | Oregon |
| 62 | Philip Spencer | 5 | grandson | — | Oregon |
| 63 | Gary Spencer | 1 | grandson | — | Oregon |
| 64 | Charles D. Malthy | 65 | head | — | Iowa |
| 65 | Lula Malthy | 65 | wife | — | South Dakota |
| 66 | Wilbur W. Malthy | 20 | son | — | Oregon |
| 67 | Thorald Holter | 57 | hired man | Farm Hand | Minnesota |
| 68 | Glenn W. Moorehouse | 41 | head | — | Iowa |
| 69 | Lanie Moorehouse | 40 | wife | — | Washington |
| 70 | Ellen Moorehouse | 16 | daughter | — | Washington |
| 71 | Addison Meredith | 57 | head | Farmer | Iowa |
| 72 | Dora B. Meredith | 58 | wife | — | Iowa |
| 73 | Gell Meredith | 23 | son | Logger | Oregon |
| 74 | Fred P. Jacobsen | 60 | head | Farmer | Iowa |
| 75 | Edna V. Jacobsen | 53 | wife | — | Wisconsin |
| 76 | Ray N. Jacobsen | 21 | son | Farm Helper | Wisconsin |
| 77 | Wallace C. Jacobsen | 15 | son | — | Wisconsin |
| 78 | J. Q. Pragg | 50 | head | — | Iowa |
| 79 | Tyra Pragg | 41 | wife | — | Minnesota |
| 80 | Jessie Pragg | 8 | daughter | — | Oregon |
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)