HS
Harold Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Harold Smith across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Smith |
| Given Name | Harold W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Machinist |
| Industry | Grinding Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Machinist |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Dianne Smith | Daughter | — | 2 | ~1938 |
| Caroline Smith | Daughter | — | ~1940 | |
| Harold Smith | Head | — | 30 | ~1910 |
| Harold Smith | Son | — | 3 | ~1937 |
| Mildred Smith | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Los Angeles, …
Son, age 11
Los Angeles, California · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Harold G. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Los Angeles, …
Son, age 20
Los Angeles, California · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Harold W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Los-Angeles-County, California
Head, age 30
Los-Angeles-County, California · implied b. ~1910 — 5 household members
| Surname | Smith |
| Given Name | Harold W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Machinist |
| Industry | Grinding Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Smith (~0.92 confidence) and father Arthur Smith (~0.92 confidence) and mother Catherine Smith (~0.92 confidence) and mother Catherine Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Arthur Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Catherine Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Catherine Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Smith
Head · 1940 · age 30 · b. ~1910 · 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
40 people indexed on this census page (nara:1940:m-t0627-00427-00632)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leonard J. Alcariz | 8 | Son | — | California |
| 2 | Frank Albitz | 36 | Head | Credit Clerk | Ohio |
| 3 | Geraldine J. Albitz | 34 | Wife | — | Oregon |
| 4 | Frank Jr. Albitz | 12 | Son | — | California |
| 5 | Charles J. Albitz | 9 | Son | — | California |
| 6 | Herman Veller | 40 | Head | Cabinet Maker | Germany |
| 7 | Anna J. Veller | 31 | Wife | Presser | Germany |
| 8 | Albert J. Veller | 11 | Son | — | California |
| 9 | Anna Baffa | 58 | Head | — | Italy |
| 10 | Ethel R. Baffa | 20 | Daughter | Packer | California |
| 11 | Thomas Jr. Baffa | 17 | Son | — | California |
| 12 | Roy L. Peters | 34 | Head | Electrician | Illinois |
| 13 | Mildred Peters | 33 | Wife | Cigar Maker | Illinois |
| 14 | Lorna M. Peters | 14 | Daughter | — | Indiana |
| 15 | Nate Z. Paulson | 29 | Head | Salesman | New York |
| 16 | Mollie Paulson | 25 | Wife | — | Illinois |
| 17 | Lawrence E. Vest | 34 | Head | Salesman | Indiana |
| 18 | Nora L. Vest | 30 | Wife | — | Oklahoma |
| 19 | Donald L. Vest | 2 | Son | — | California |
| 20 | Carl H. Rautenkrang | 55 | Head | Woodworker | Germany |
| 21 | Coral M. Rautenkrang | 45 | Wife | — | Iowa |
| 22 | Virginia Rautenkrang | 19 | Daughter | New Worker | Virginia |
| 23 | Anna M. Bartell | 53 | Head | — | Colorado |
| 24 | Henry G. Black | 27 | Nephew | Laborer | Colorado |
| 25 | Charles E. Hodgen | 40 | Head | Truck Driver | Kansas |
| 26 | Zada B. Hodgen | 34 | Wife | — | Pennsylvania |
| 27 | Robert J. Hodgen | 13 | Son | — | California |
| 28 | Charlotte M. Hodgen | 10 | Daughter | — | California |
| 29 | Alfred Brayard | 49 | Head | Elevator Oper. | Illinois |
| 30 | Ada M. Brayard | 49 | Wife | — | South Dakota |
| 31 | Harold W. Smith THIS PERSON | 30 | Head | Machinist | New Jersey |
| 32 | Mildred Smith | 26 | Wife | — | Iowa |
| 33 | Harold W. Jr. Smith | 3 | Son | — | California |
| 34 | Dianne Smith | 2 | Daughter | — | California |
| 35 | Caroline Smith | 0 | Daughter | — | California |
| 36 | Norman L. Baerd | 19 | Head | Truck Driver | Colorado |
| 37 | Ina M. Baerd | 17 | Wife | — | California |
| 38 | Bonnie M. Baerd | 0 | Daughter | — | California |
| 39 | Ray Rainier | 45 | Head | Truck Driver | Tennessee |
| 40 | Gertrude Rainier | 42 | Wife | — | Kentucky |
Pedigree Summary
Harold
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)