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John Sears — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this John Sears across the 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Sears |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Alameda City |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Mfg Boiler |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Mechanic |
| Township / Ward | Alameda City |
| Est. Birth Year | ~1887 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eugene Uno | Son | — | 3 | ~1937 |
| Irene Uno | Daughter | — | 5 | ~1935 |
| John Sears | Head | — | 53 | ~1887 |
| Edward Wittwer | Other | — | 31 | ~1909 |
| Elizabeth Sears | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Alameda, California
Head, age 43
Alameda, California · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sears |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 33 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | California |
| Occupation | Boilermaker |
| Industry | Boiler Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Head, age 53
Alameda-County, California · implied b. ~1887 — 5 household members
| Surname | Sears |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Alameda City |
| 1935 Residence (County) | Alameda |
| Occupation | Mechanic |
| Industry | Mfg Boiler |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 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 John Sears across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Sears
Head · 1940 · age 53 · b. ~1887 · California
★ 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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00183-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer Surtzer | 40 | Head | Construction Foreman | Missouri |
| 42 | India Surtzer | 49 | Wife | — | Arkansas |
| 43 | Irene Surtzer | 12 | Daughter | — | California |
| 44 | Rea Hardesty | 20 | Son | Driver Caterpillar | Colorado |
| 45 | Gladys Parsons | 28 | Boarder | Waitress | Colorado |
| 46 | Robert Parsons | 9 | Boarder | — | Oregon |
| 47 | Joseph Sheetz | 71 | Head | — | Missouri |
| 48 | Sarah Sheetz | 48 | Wife | — | Ohio |
| 49 | Charles Silent | 41 | Head | Service Man | Maine |
| 50 | Mary Silent | 31 | Wife | — | English |
| 51 | Hubert Williams | 14 | Lodger | — | California |
| 52 | Aaron Swanson | 52 | Head | Truck Driver | Sweden |
| 53 | Annette Swanson | 55 | Wife | — | Sweden |
| 54 | Lena Hardwick | 64 | Head | Practical Nurse | California |
| 55 | Joseph Pelletier | 60 | Lodger | Carpenter | Maine |
| 56 | Lotus Sylvester | 21 | Son | Clerk | California |
| 57 | Peter Sylvester | 31 | Son | Salesman | California |
| 58 | Eleazard Evans | 48 | Head | Stationary Fireman | Utah |
| 59 | Angie Evans | 49 | Wife | — | Utah |
| 60 | Arthur C. Evans | 16 | Son | — | Nevada |
| 61 | Futaro Maeda | 34 | Head | Gardener | California |
| 62 | Tokie Maeda | 31 | Wife | Housework | California |
| 63 | Rodney Maeda | 7 | Son | — | California |
| 64 | John Sears THIS PERSON | 53 | Head | Mechanic | California |
| 65 | Elizabeth Sears | 52 | Wife | — | California |
| 66 | Edward R. Wittwer | 31 | Lodger | Laborer | California |
| 67 | Irene S. Uno | 5 | Daughter | — | California |
| 68 | Eugene S. Uno | 3 | Son | — | California |
| 69 | Adrian Kools | 54 | Head | Carpenter | Holland |
| 70 | Ruth Kools | 23 | Daughter | — | California |
| 71 | Leena Kools | 20 | Daughter | Sewing Mach | California |
| 72 | Ben Kools | 15 | Son | — | California |
| 73 | Gerald Van Ginhoven | 31 | Head | Warehouseman | Netherlands |
| 74 | Cornelia Van Ginhoven | 20 | Wife | — | Netherlands |
| 75 | Cornelius Van Ginhoven | 8 | Son | — | Michigan |
| 76 | Anthony Van Ginhoven | 7 | Son | — | Michigan |
| 77 | Gerald Van Ginhoven | 6 | Son | — | California |
| 78 | Mary S. Van Ginhoven | 3 | Daughter | — | California |
| 79 | Gerard Wambetta | 27 | Head | Machinist | California |
| 80 | Thelma Wambetta | 25 | Wife | — | California |
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)