JH
John Henderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Henderson across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Edward & John — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Henderson |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Sailmaker |
| Industry | Sail loft |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 860 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Sailmaker |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Stella Henderson | Daughter | — | 15 | ~1925 |
| Edward Henderson | Head | — | 67 | ~1873 |
| John Henderson | Son | — | 22 | ~1918 |
| Charlie Henderson | Son | — | 18 | ~1922 |
Census Appearances
1920
Los Angeles, …
Son, age 1
Los Angeles, California · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | John M. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Son, age 11
Los Angeles, California · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 22
Los-Angeles-County, California · implied b. ~1918 — 4 household members
| Surname | Henderson |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | Sailmaker |
| Industry | Sail loft |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 860 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| 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 Henderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Henderson (~0.92 confidence) and father John Henderson (~0.92 confidence) and father John Henderson (~0.92 confidence) and mother Esther Henderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Henderson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Henderson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Henderson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Esther Henderson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Henderson
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
Charlie Henderson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Henderson
Sibling · 1940 · age 15
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-t0627-00431-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leroy M. Soule | 42 | Head | Brakeman | Missouri |
| 2 | Mary H. Soule | 72 | Mother | — | Vermont |
| 3 | Hobart W. Duncan | 29 | Head | Timber Helper | Arkansas |
| 4 | Florence S. Duncan | 39 | Wife | Machine Operator | Texas |
| 5 | Dorothy A. Sanders | 9 | Step-daughter | — | Illinois |
| 6 | Myron J. Mclaughlin | 37 | Head | Captain | Illinois |
| 7 | Eugene C. Mclaughlin | 32 | Brother | Pipefitter | Michigan |
| 8 | James B. Mclaughlin | 57 | Uncle | Night Watchman | Michigan |
| 9 | Mary Becket | 70 | Head | — | France |
| 10 | George L. Jackson | 56 | Head | House Painter | Indiana |
| 11 | Blanche D. Jackson | 52 | Wife | — | Indiana |
| 12 | Edith D. Velas | 32 | Head | Waitress | Arkansas |
| 13 | Edward A. Velas | 15 | Son | — | Arkansas |
| 14 | Walter Blight | 45 | Head | Bartender | Pennsylvania |
| 15 | Margaret R. Blight | 27 | Wife | — | Kansas |
| 16 | Walter L. Blight | 9 | Son | — | California |
| 17 | Edward J. Blight | 6 | Son | — | California |
| 18 | Arlie O. Lewis | 35 | Head | Laborer | Arkansas |
| 19 | Eleanor Lewis | 31 | Wife | — | Colorado |
| 20 | Alberta E. Purdue | 35 | Head | Saleslady | Illinois |
| 21 | R. James Taylor | 51 | Head | Longshoreman | Ohio |
| 22 | Charlie B. Wilson | 34 | Head | Taxi Driver | So. Carolina |
| 23 | Opal M. Wilson | 27 | Wife | Waitress | Kansas |
| 24 | Ben C. Hilliker | 51 | Head | Painter | Kansas |
| 25 | Nellie G. Hilliker | 52 | Wife | — | England |
| 26 | William L. Hilliker | 27 | Son | Longshoreman | Kansas |
| 27 | Edward M. Henderson | 67 | Head | Chemist | Iowa |
| 28 | Stella J. Henderson | 15 | Daughter | — | California |
| 29 | Charlie E. Henderson | 18 | Son | — | California |
| 30 | John M. Henderson THIS PERSON | 22 | Son | Sailmaker | California |
| 31 | Alfred R. Torres | 41 | Head | Sailmaker | Germany |
| 32 | — | None | — | — | — |
| 33 | Edward C. Hutchinson | 43 | Head | Cook And Waiter | South Dakota |
| 34 | Harry W. Glenn | 28 | Lodger | Cook And Waiter | Missouri |
| 35 | Alex R. Glenn | 30 | Lodger | Cook And Waiter | Missouri |
| 36 | Zoilo D. Zamorano | 38 | Head | Laborer | Phil. Islands |
| 37 | Roy Hilliker | 58 | Head | Barber | Kansas |
| 38 | Birdie N. Hilliker | 57 | Wife | — | Kansas |
| 39 | — | None | — | — | — |
| 40 | George H. Medina | 34 | Head | Laborer | Arizona |
Pedigree Summary
John + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)