JW
John William — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John William across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | William |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Downey Judicial Twp |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Downey Judicial Twp |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John William | Son | — | 11 | ~1929 |
| Madeline William | Spouse | — | 42 | ~1898 |
| Clarence William | Son | — | 25 | ~1915 |
| Lloyd William | Son | — | 14 | ~1926 |
| Gilbert William | Head | — | 49 | ~1891 |
| Gilbert William | Son | — | 12 | ~1928 |
| Alice William | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Los Angeles, …
Son, age
Los Angeles, California · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Michigan |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 11
Los-Angeles-County, California · implied b. ~1929 — 7 household members
| Surname | William |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Downey Judicial Twp |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 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 William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John William
Son · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Clarence William
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert William
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd William
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice William
Sibling · 1940 · age 20
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-t0627-00225-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Lou Egzell | 7 | Daughter | — | Oklahoma |
| 42 | Jo Sanden | 21 | Neice | Housekeeper | Oklahoma |
| 43 | Lewis C Cozel | 33 | Brother in law | Carpenter | Oklahoma |
| 44 | Ray Hunter | 49 | Head | Dairy | Holland |
| 45 | Bodie Tuinstra | 43 | Head | Dairy | Holland |
| 46 | Ernest Tuinstra | 18 | Son | Truck Driver | Wisconsin |
| 47 | Lillian Tuinstra | 17 | Daughter | — | Wisconsin |
| 48 | Jennie Tuinstra | 6 | Daughter | — | California |
| 49 | Willie Van Dam | 30 | Head | Manager | Holland |
| 50 | Isabell Van Dam | 22 | Wife | — | Holland |
| 51 | Winnie Van Dam | 2 | Daughter | — | California |
| 52 | Artie Hilar | 25 | Head | Milker | California |
| 53 | Jennette Hilar | 29 | Wife | — | France |
| 54 | Josephine Hilar | 1 | Daughter | — | California |
| 55 | Everett Berest | 14 | Nephew | — | California |
| 56 | Leo Lloyd | 23 | Head | Milker | Utah |
| 57 | Evelyn Lloyd | 23 | Wife | — | New York |
| 58 | Verna Calderhead | 54 | Housekeeper | Housekeeper | Arkansas |
| 59 | Alvin K Hall | 40 | Uncle | Milker | Utah |
| 60 | Bob Zeestra | 38 | Head | Manager | Holland |
| 61 | Rigtje Zeestra | 38 | Wife | — | Holland |
| 62 | Marie Zeestra | 13 | Daughter | — | Holland |
| 63 | Clara Zeestra | 10 | Daughter | — | California |
| 64 | Peter Zeestra | 4 | Son | — | California |
| 65 | Gertrude Zeestra | 7 | Daughter | — | California |
| 66 | Charlie Zeestra | 2 | Son | — | California |
| 67 | Gilbert William | 49 | Head | Cement Mixer | South Dakota |
| 68 | Madeline William | 42 | Wife | — | California |
| 69 | Clarence William | 25 | Son | Ship Builder | Canada |
| 70 | Alice William | 20 | Daughter | Secretary | California |
| 71 | Lloyd William | 14 | Son | — | California |
| 72 | Gilbert William | 12 | Son | — | California |
| 73 | John William THIS PERSON | 11 | Son | — | California |
| 74 | Jessie P Farris | 47 | Head | Housekeeper | Nebraska |
| 75 | Gay Jr Farris | 16 | Son | — | California |
| 76 | Ivan Renaker | 55 | Head | — | Kentucky |
| 77 | Artilla Renaker | 60 | Wife | — | Missouri |
| 78 | Callen Pickell | 36 | Head | — | Iowa |
| 79 | Ruth Pickell | 36 | Wife | — | California |
| 80 | Randall Pickell | 12 | Son | — | 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)