HS
Harold Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this Harold Smith across the 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed), with identified parents Benjamin & Bert — first a son (b.~1914), then head of a 7-person household.
Age 26
b. ~1914
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Smith |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Coronado City |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Occupation | cook |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 240 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Cook |
| Township / Ward | Coronado City |
| Est. Birth Year | ~1914 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Smith | Head | — | 60 | ~1880 |
| Lillian Groves | Other | — | 10 | ~1930 |
| George Groves | Other | — | 33 | ~1907 |
| Harold Smith | Son | — | 26 | ~1914 |
| Benjamin Smith | Son | — | 20 | ~1920 |
| Lewis Smith | Son | — | 29 | ~1911 |
| Elizabeth Smith | Spouse | — | 55 | ~1885 |
Census Appearances
1920
San Diego, …
Son, age 6
San Diego, California · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Diego, …
Son, age 16
San Diego, California · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Harold F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Diego-County, California
Son, age 26
San-Diego-County, California · implied b. ~1914 — 7 household members
| Surname | Smith |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Coronado City |
| 1935 Residence (County) | San Diego |
| Occupation | cook |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 240 |
| Highest Grade | No 8 |
| 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 Harold Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Smith (~0.92 confidence) and father Bert Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Bert Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Smith
Son · 1940 · age 26 · b. ~1914 · California
★ You are viewing this record
Sibling
Lewis Smith
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Smith
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 — San-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00296-00461)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grover Mikell | 31 | Head | Salesman | Missouri |
| 2 | Irma G. Mikell | 26 | Wife | — | Missouri |
| 3 | Clarence Anderson | 32 | Head | Inspector | California |
| 4 | Lillian Anderson | 25 | Wife | — | New York |
| 5 | Chris T. Anderson | 30 | Brother | Proprietor | California |
| 6 | Peter Abate | 26 | Head | Butcher | California |
| 7 | Gwendolyn Abate | 30 | Wife | Teacher | Kansas |
| 8 | James C. Hart | 28 | Head | Enlisted Man | West Virginia |
| 9 | Josephine Hart | 26 | Wife | Reg. Nurse | California |
| 10 | Edmund Philip | 58 | Head | Chauffeur | New York |
| 11 | Alice Philip | 62 | Wife | — | New York |
| 12 | Clare Bach | 20 | Head | Grocery Clerk | Iowa |
| 13 | Iva Angus | 29 | Housekeeper | Housekeeper | Iowa |
| 14 | Robert Galt | 33 | Lodger | — | California |
| 15 | Felicie Drummond | 84 | Head | — | France |
| 16 | Mabel S. Watson | 62 | Head | Proprietress & Manager | New York |
| 17 | Mary York | 35 | Lodger | Nurse | California |
| 18 | Alfred Knight | None | Lodger | — | — |
| 19 | Harry L. Mckee | 48 | Head | Steward | Nebraska |
| 20 | Dorothy Mckee | 48 | Wife | — | Pennsylvania |
| 21 | Laura Huston | 74 | Mother-in-law | — | Pennsylvania |
| 22 | Mary Shewich | 69 | Head | — | Illinois |
| 23 | Josephine Shewich | 56 | Sister | Teacher | Texas |
| 24 | Charles W. Draves | 58 | Head | Truck Driver | Indiana |
| 25 | Anna M. Draves | 54 | Wife | Manager | Pennsylvania |
| 26 | Effie Patrick | 68 | Lodger | — | Ohio |
| 27 | Jennie Cheney | None | Lodger | — | — |
| 28 | Dorothy Edmundson | 25 | Lodger | — | Montana |
| 29 | Benjamin F. Smith | 60 | Head | Gardener | Missouri |
| 30 | Elizabeth Smith | 55 | Wife | — | Kentucky |
| 31 | Lewis Smith | 29 | Son | Gardener | Missouri |
| 32 | Harold Smith THIS PERSON | 26 | Son | Cook | California |
| 33 | Benjamin Jr. Smith | 20 | Son | — | California |
| 34 | George Groves | 33 | Lodger | Carpenter | California |
| 35 | Lillian L. Groves | 10 | Lodger | — | California |
| 36 | Lewis Codburn | 42 | Head | — | Massachusetts |
| 37 | Ola Codburn | 38 | Wife | Waitress | Missouri |
| 38 | Zelma Codburn | 12 | Daughter | — | California |
| 39 | Pierre Rouleau | 57 | Father-in-law | — | Massachusetts |
| 40 | Zelma Rouleau | 63 | Mother-in-law | — | Connecticut |
Pedigree Summary
Harold + 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)