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John Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · San Diego, California
Our Model Tree links this John Smith across the 1910, 1920 and 1930 US Censuses in San Diego, California (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a son (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | San Diego, California |
| Surname | Smith |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Occupation | Salesman |
| Industry | Service Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Salesman |
| Township / Ward | San Diego City Pt |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Smith | Daughter | — | 14 | ~1916 |
| Katherine Masters | Daughter | — | 27 | ~1903 |
| Elizabeth Smith | Head | — | 36 | ~1894 |
| Robert Masters | Other | — | 7 | ~1923 |
| John Smith | Son | — | 21 | ~1909 |
Census Appearances
1910
San Diego, …
Son, age 1
San Diego, California · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Diego, …
Son, age 11
San Diego, California · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Diego, …
Son, age 21
San Diego, California · implied b. ~1909 — 5 household members
| Surname | Smith |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Salesman |
| Industry | Service Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Smith across 3 US Census years (1910, 1920 and 1930) in San Diego, California, using XGBoost record linkage. Identified parents: father John Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence) and mother Elizabeth Smith (~0.92 confidence) and mother B Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Smith
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
B Smith
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Smith
Son · 1930 · age 21 · b. ~1909 · California
★ You are viewing this record
Sibling
Dorothy Smith
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Masters
Sibling · 1930 · age 27
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
1930 US Federal Census — San Diego, California
Open full size
1930 US Federal Census — San Diego, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel193:0638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Henry J Wruck | 35 | Head | — | California |
| 52 | Gertrude Jones | 63 | Head | — | New York |
| 53 | Stephen Johnson | 68 | Head | Cook | California |
| 54 | Pearl G League | 19 | Daughter | — | Georgia |
| 55 | Robert W League | 29 | Son-in-law | Engine-Man | Georgia |
| 56 | Elizabeth Smith | 36 | Head | — | California |
| 57 | John H Smith THIS PERSON | 21 | Son | Salesman | California |
| 58 | Dorothy H Smith | 14 | Daughter | Saleslady | California |
| 59 | Katherine G Masters | 27 | Daughter | Stenographer | California |
| 60 | Robert Masters | 7 | Grandson | None | California |
| 61 | Edward A Thinter | 65 | Head | None | Ohio |
| 62 | Pearl C Thinter | 49 | Wife | None | Ohio |
| 63 | Harvey E Thinter | 24 | Son | Taxi Driver | Ohio |
| 64 | John F Newman | 58 | Head | Foreman-Yard | Nebraska |
| 65 | Venetta Newman | 45 | Wife | None | Canada English |
| 66 | Sarah J Munn | 12 | Niece | None | Massachusetts |
| 67 | Frank Runda | 30 | Head | Electrician | Minnesota |
| 68 | Agnes Runda | 20 | Wife | None | California |
| 69 | John Jagger | 29 | Head | Engine Man | Nebraska |
| 70 | Caroline Jagger | 22 | Wife | None | Canada English |
| 71 | John Jr Jagger | 2 | Son | None | California |
| 72 | Helen Jagger | 1 | Daughter | None | California |
| 73 | Samuel Hastings | 53 | Head | Laborer | California |
| 74 | Emily Hastings | 56 | Sister-H | None | England |
| 75 | Walter J Hastings | 67 | Brother | Laborer | California |
| 76 | Mario Navarro | 43 | Head | Laborer | Italy |
| 77 | Joe Navarro | 22 | Son | Marble-Worker | Italy |
| 78 | Mary Navarro | 16 | Daughter | Packer | Italy |
| 79 | Jennie Navarro | 8 | Daughter | None | California |
| 80 | Jennie Podina | 70 | Mother | None | Italy |
| 81 | Narcissa Castro | 34 | Head | Sorter | Mexico |
| 82 | Hugh Cobb | 38 | Head | Fireman | Arkansas |
| 83 | Lena Cobb | 33 | Wife-H | None | Oklahoma |
| 84 | Earl Cobb | 16 | Son | None | Arkansas |
| 85 | Carl Cobb | 13 | Son | None | Missouri |
| 86 | Wanda Cobb | 5 | Daughter | None | Oklahoma |
| 87 | Otto E Anderson | 81 | Head | None | Sweden |
| 88 | Ida C Anderson | 67 | Wife-H | None | Sweden |
| 89 | John Berryman | 38 | Head | Laborer | Louisiana |
| 90 | Rose Berryman | 34 | Wife-H | Servant | Louisiana |
| 91 | John Berryman | 17 | Son | Laborer | Louisiana |
| 92 | Willie Berryman | 14 | Son | Laborer | Louisiana |
| 93 | Lillian Berryman | 13 | Daughter | None | Louisiana |
| 94 | Rebecca Berryman | 75 | Mother-H | None | Louisiana |
| 95 | Carlos Gamoza | 50 | Head | Laborer | Mexico |
| 96 | Delfina Gamoza | 30 | Wife-H | None | Mexico |
| 97 | Raymond Gamoza | 11 | Son | None | Mexico |
| 98 | Antonio Gamoza | 11 | Son | None | Mexico |
| 99 | Victoria B Gamoza | 2 | Daughter | None | California |
| 100 | Tony Rubalcaba | 44 | Head | Laborer | Mexico |
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 1930 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)