WH
William Henderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this William Henderson across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Henderson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Agoura City |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Charlotte Henderson | Daughter | — | 9 | ~1931 |
| Gertrude Henderson | Daughter | — | 20 | ~1920 |
| Vera Henderson | Daughter | — | 16 | ~1924 |
| Louise Henderson | Daughter | — | 6 | ~1934 |
| Verna Henderson | Daughter | — | 16 | ~1924 |
| David Henderson | Head | — | 57 | ~1883 |
| Carlos Henderson | Son | — | 26 | ~1914 |
| William Henderson | Son | — | 11 | ~1929 |
| James Henderson | Son | — | 8 | ~1932 |
| David Henderson | Son | — | 18 | ~1922 |
| Josephine Henderson | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Los Angeles, …
Son, age 1
Los Angeles, California · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| 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 — 11 household members
| Surname | Henderson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | 5 |
| 1935 Residence | California |
| 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 William Henderson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Henderson
Son · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
David Henderson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Henderson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Henderson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Henderson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Henderson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carlos Henderson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Henderson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Henderson
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-t0627-00237-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth House | 11 | Daughter | — | California |
| 2 | Dorothy House | 9 | Daughter | — | California |
| 3 | William L. Hale | 43 | Head | Surveyor | Missouri |
| 4 | Violet P. Hale | 42 | Wife | — | Arkansas |
| 5 | Lois Hale | 22 | Daughter | — | Oklahoma |
| 6 | Bonnie Hale | 20 | Daughter | Governess | California |
| 7 | Richard Hale | 6 | Son | — | California |
| 8 | Paul Hale | 5 | Son | — | California |
| 9 | Raymond Hebler | 42 | Head | Truck Driver | Missouri |
| 10 | Audrey Hebler | 31 | Wife | — | California |
| 11 | Raymond Jr. Hebler | 18 | Son | Farm Worker | California |
| 12 | Jean Hebler | 14 | Son | — | California |
| 13 | James Hebler | 11 | Son | — | California |
| 14 | Francis Hebler | 9 | Son | — | California |
| 15 | Maurice Jensen | 45 | Head | Cook | Idaho |
| 16 | Elmer S. Jensen | 24 | Son | Truck Driver | Idaho |
| 17 | Vivian Jensen | 17 | Daughter | — | Idaho |
| 18 | Betty Jensen | 15 | Daughter | — | Idaho |
| 19 | David Jensen | 12 | Son | — | Idaho |
| 20 | Harold Jensen | 11 | Son | — | Idaho |
| 21 | David Henderson | 57 | Head | Carpenter | Illinois |
| 22 | Josephine Henderson | 47 | Wife | — | Illinois |
| 23 | Carlos Henderson | 26 | Son | Cost Clerk | Illinois |
| 24 | Gertrude Henderson | 20 | Daughter | — | Illinois |
| 25 | David Jr. Henderson | 18 | Son | Soda Clerk | California |
| 26 | Verna Henderson | 16 | Daughter | — | California |
| 27 | Vera Henderson | 16 | Daughter | — | California |
| 28 | William Henderson THIS PERSON | 11 | Son | — | California |
| 29 | Charlotte Henderson | 9 | Daughter | — | California |
| 30 | James Henderson | 8 | Son | — | California |
| 31 | Louise Henderson | 6 | Daughter | — | California |
| 32 | John Countiss | 54 | Head | Passenger Agt. | Texas |
| 33 | Cashie Countiss | 38 | Wife | — | Texas |
| 34 | Wanda Johnson | 24 | Niece | Saleslady | Texas |
| 35 | John G. Brayton | 64 | Head | Truck Driver | Texas |
| 36 | Lois S. Brayton | 47 | Wife | — | Texas |
| 37 | Jesse Baling | 33 | Head | Foreman | Tennessee |
| 38 | Ernestine Baling | 30 | Wife | Fruit Packer | California |
| 39 | Gene Baling | 10 | Son | — | California |
| 40 | Ernest Baling | 8 | 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)