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Harold Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Harold Walker across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Leon & Lena — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Walker |
| Given Name | Harold O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Machinist |
| Industry | Aircraft factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | California |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Manhattan Beach City |
| Est. Birth Year | ~1901 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Frank Walker | Son | — | 11 | ~1929 |
| William Walker | Son | — | 9 | ~1931 |
| Inez Walker | Spouse | — | 31 | ~1909 |
| Harold Walker | Head | — | 39 | ~1901 |
Census Appearances
1920
Los Angeles, …
Son, age 16
Los Angeles, California · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Los Angeles, …
Head, age 28
Los Angeles, California · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Harold W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Plasterer |
| Industry | Plastering Contractor |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4400 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Los-Angeles-County, California
Head, age 39
Los-Angeles-County, California · implied b. ~1901 — 4 household members
| Surname | Walker |
| Given Name | Harold O |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | Machinist |
| Industry | Aircraft factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | California |
| 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 Harold Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leon Walker (~0.92 confidence) and mother Lena Walker (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leon Walker
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Lena Walker
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Walker
Head · 1940 · age 39 · b. ~1901 · 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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-00235-00166)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nancy E Hyre | 82 | Mother | — | Indiana |
| 42 | Extra Line | None | — | — | — |
| 43 | Extra Line | None | — | — | — |
| 45 | William G Lynn | 27 | Head | Assistant To Purchasing Agent | California |
| 46 | Morris R Lynn | 26 | Wife | Receptionist | Illinois |
| 47 | Extra Line | None | — | — | — |
| 49 | Joseph R Christensen | 31 | Head | Osteopath Physician | California |
| 50 | Gretchen Christensen | 28 | Wife | — | Minnesota |
| 51 | Joseph C Christensen | 1 | Son | — | California |
| 53 | Paul H Drake | 50 | Head | Bookkeeper | Illinois |
| 54 | Lulu M Drake | 42 | Wife | Secretary | Illinois |
| 55 | Helen E Drake | 21 | Daughter | — | Kansas |
| 56 | Lloyd C Mason | 47 | Head | Telephone Engineer | Nebraska |
| 57 | Elton H Mason | 39 | Wife | — | Nebraska |
| 58 | Marilyn E Mason | 8 | Daughter | — | California |
| 59 | Lloyd C Jr Mason | 6 | Son | — | California |
| 60 | Robert C Felt | 28 | Head | Chemical Engineer | Ohio |
| 61 | Lydia M Felt | 25 | Wife | — | Canada |
| 63 | Robert M Wallace | 39 | Head | Salesman | Pennsylvania |
| 64 | Kathryn R Wallace | 38 | Wife | — | Ohio |
| 65 | Richard E Wallace | 9 | Son | — | California |
| 66 | John R Wallace | 3 | Son | — | California |
| 67 | Edward Pickard | 78 | Father in law | — | Ohio |
| 68 | William D'Arcy-Irvine | 48 | Head | Mining Engineer | Australia |
| 69 | Virginia D'Arcy-Irvine | 30 | Wife | — | California |
| 70 | Wilma R D'Arcy-Irvine | 15 | Daughter | — | California |
| 71 | Vernon W Maynard | 27 | Head | Production Control Clerk | Nebraska |
| 72 | Virginia Maynard | 23 | Wife | — | Nebraska |
| 74 | Harold B Griffis | 53 | Head | Storekeeper | Texas |
| 75 | Vavah L Griffis | 50 | Wife | — | California |
| 76 | William T Griffis | 23 | Son | Molder | California |
| 77 | Harold O Walker THIS PERSON | 39 | Head | Machinist | Illinois |
| 78 | Inez A Walker | 31 | Wife | — | Illinois |
| 79 | Frank E Walker | 11 | Son | — | California |
| 80 | William H Walker | 9 | Son | — | California |
Pedigree Summary
Harold
Gen 1 · 2 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)