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William Sears — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this William Sears across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Sears |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Oil Worker |
| Industry | Oil Fields |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Oil Worker |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1903 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Madge Sears | Spouse | — | 60 | ~1880 |
| John Sears | Head | — | 61 | ~1879 |
| Jack Sears | Son | — | 31 | ~1909 |
| William Sears | Son | — | 37 | ~1903 |
Census Appearances
1930
Los Angeles, …
Son, age 28
Los Angeles, California · implied b. ~1902 — 39 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sears |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Los-Angeles-County, California
Son, age 37
Los-Angeles-County, California · implied b. ~1903 — 4 household members
| Surname | Sears |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Oil Worker |
| Industry | Oil Fields |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 William Sears across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Sears
Son · 1940 · age 37 · b. ~1903 · California
★ You are viewing this record
Sibling
Jack Sears
Sibling · 1940 · age 31
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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00388-00182)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William G. Morton | 20 | Nephew | Delivery Clerk | Oklahoma |
| 42 | Richard E. Converse | 30 | Head | Salesman | Missouri |
| 43 | Alta L. Converse | 31 | Wife | — | Idaho |
| 44 | Joyce A. Stilian | 11 | Daughter | — | California |
| 45 | James A. Milliken | 23 | Head | Truck Driver | Utah |
| 46 | Ellen M. Milliken | 20 | Wife | — | California |
| 47 | James R. Milliken | 2 | Son | — | California |
| 48 | Deanna Milliken | 0 | Daughter | — | California |
| 49 | Cecil O. Randolph | 23 | Head | Glazer | Tennessee |
| 50 | Bernice Randolph | 21 | Wife | — | Missouri |
| 51 | Terry Randolph | 0 | Son | — | California |
| 52 | Truman H. Brown | 17 | Brother in law | Electrician | Texas |
| 53 | Renaldo Natale | 41 | Head | Fruit Buyer | Italy |
| 54 | Reasa Y. Natale | 39 | Wife | — | Italy |
| 55 | Theresa Natale | 18 | Daughter | Bookkeeper | California |
| 56 | John H. Sears | 61 | Head | Yardman | Illinois |
| 57 | Madge Sears | 60 | Wife | — | Indiana |
| 58 | William R. Sears THIS PERSON | 37 | Son | Oil Worker | Illinois |
| 59 | Jack Sears | 31 | Son | — | Indiana |
| 60 | Agnes M. Forbes | 47 | Head | — | Wisconsin |
| 61 | Sidney Swansey | 55 | Head | Operator | Nebraska |
| 62 | Mary E. Swansey | 54 | Wife | — | Illinois |
| 63 | Walter Maxwell | 31 | Head | Machinist | Iowa |
| 64 | Marjorie Maxwell | 25 | Wife | — | Iowa |
| 65 | Walter S. Maxwell | 1 | Son | — | California |
| 66 | Josephine X. Miller | 65 | Head | Teacher | Pennsylvania |
| 67 | Louis Ullrich | 29 | Lodger | Auto Wrecker | Illinois |
| 68 | Charles E. Beel | 27 | Head | Accountant | Indiana |
| 69 | Charles E. Jr. Beel | 28 | Son | Musician | California |
| 70 | Marguerite Beel | 23 | Wife | — | Canada |
| 71 | Robert Livefroad | 44 | Head | Switchman | Iowa |
| 72 | Ethel L. Livefroad | 44 | Wife | — | Missouri |
| 73 | Robert Livefroad | 23 | Son | Riveter | Missouri |
| 74 | Eleanor Livefroad | 70 | Mother | — | Iowa |
| 75 | William F. Mc Laughlin | 57 | Head | Bank Sentinel | Michigan |
| 76 | Dora A. Mc Laughlin | 53 | Wife | — | Indiana |
| 77 | Clyde Mc Cory | 57 | Brother in law | Actor | Ohio |
| 78 | Archibald Mc Cory | 51 | Brother in law | City Clerk | Ohio |
| 79 | Louis X. Daron | 38 | Head | Sculptor | Italy |
| 80 | Mary Daron | 30 | Wife | Finisher | Kansas |
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)