RH
Robert Hamilton — 1930 US Census Record
Model Tree available1930 United States Federal Census · Santa Clara, California
Our Model Tree links this Robert Hamilton across the 1910, 1920 and 1930 US Censuses in Santa Clara, California (XGBoost, ~Confirmed), with identified parents George & Hilda — 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 | Santa Clara, California |
| Surname | Hamilton |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Santa Clara City |
| 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 Robert | Age | Birth yr |
|---|---|---|---|---|
| George Hamilton | Head | — | 56 | ~1874 |
| Lulu Hamilton | Other | — | 54 | ~1876 |
| William Fox | Other | — | 58 | ~1872 |
| Bessie Burns | Other | — | 46 | ~1884 |
| Robert Hamilton | Son | — | 21 | ~1909 |
Census Appearances
1910
Santa Clara, …
Son, age 1
Santa Clara, California · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | California |
| Can Read | No |
| Can Write | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Santa Clara, …
Son, age 11
Santa Clara, California · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Santa Clara, …
Son, age 21
Santa Clara, California · implied b. ~1909 — 5 household members
| Surname | Hamilton |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| 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 Robert Hamilton across 3 US Census years (1910, 1920 and 1930) in Santa Clara, California, using XGBoost record linkage. Identified parents: father George Hamilton (~0.92 confidence) and mother Hilda Hamilton (~0.92 confidence) and mother Stella Hamilton (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Hamilton
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Hilda Hamilton
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Stella Hamilton
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hamilton
Son · 1930 · age 21 · b. ~1909 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Santa Clara, California
Open full size
1930 US Federal Census — Santa Clara, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel219:0901)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Antonio R. Sr. Gomes | 34 | Head | General Work | Spain |
| 2 | Mary R. Gomes | 21 | Wife-H | Cannery Worker | Hawaiian Islands |
| 3 | Antonio R. Jr. Gomes | 0 | Son | — | California |
| 4 | Joseph Garcia | 50 | Head | Laborer | Spain |
| 5 | Carmen Garcia | 45 | Wife-H | Cannery Worker | Spain |
| 6 | Laura Garcia | 21 | Daughter | Cannery Worker | Spain |
| 7 | Mary Garcia | 15 | Daughter | Cannery Worker | Spain |
| 8 | Consolence Garcia | 13 | Daughter | — | California |
| 9 | Carmelium Garcia | 12 | Daughter | — | California |
| 10 | Frank Garcia | 10 | Son | — | California |
| 11 | Josephine Garcia | 8 | Daughter | — | California |
| 12 | Alvera Garcia | 3 | Daughter | — | California |
| 13 | Annie L. Foster | 62 | Head | — | California |
| 14 | Alta J. Foster | 26 | Daughter | Bookkeeper | California |
| 15 | Mary Mooney | 62 | Head | — | California |
| 16 | Joseph Bacigalupa | 49 | Brother | — | California |
| 17 | Catherine Nelson | 53 | Head | — | California |
| 18 | Edward S. Nelson | 27 | Son | Laborer | California |
| 19 | Bernice J. Nelson | 18 | Daughter | Cannery Worker | California |
| 20 | Melvin J. Nelson | 11 | Son | — | California |
| 21 | George E. Hamilton | 56 | Head | Farm Operator | Wisconsin |
| 22 | Lulu E. Hamilton | 54 | Wife-H | — | California |
| 23 | Robert M. Hamilton THIS PERSON | 21 | Son | — | California |
| 24 | Bessie A. Burns | 46 | Servant | Cook | South Carolina |
| 25 | William Fox | 58 | Boarder | Gardener | California |
| 26 | Francis P. Scott | 30 | Head | Salesman | California |
| 27 | Harriett B. Scott | 27 | Wife-H | Teacher | California |
| 28 | Tony Sr. Potal | 33 | Head | Laborer | Spain |
| 29 | Lola Potal | 31 | Wife-H | — | Spain |
| 30 | Tony Jr. Potal | 5 | Son | — | California |
| 31 | Lola Potal | 3 | Daughter | — | California |
| 32 | John Smokey | 28 | Brother-in-law | Laborer | Spain |
| 33 | Carmen Smokey | 21 | Sister-in-law | Cannery Worker | Hawaiian Islands |
| 34 | Carmen Smokey | 1 | Niece | — | California |
| 35 | Marcelino Ramos | 49 | Head | Section Hand | Mexico |
| 36 | Beatrice Ramos | 48 | Wife-H | — | Mexico |
| 37 | Julian Ramos | 27 | Son | Section Hand | Mexico |
| 38 | Enrique Ramos | 22 | Son | Section Hand | Mexico |
| 39 | Salome Ramos | 20 | Daughter | — | Mexico |
| 40 | Fidelis Ramos | 18 | Son | Section Hand | Mexico |
| 41 | Amelia Caldeira | 36 | Head | — | California |
| 42 | Dorothy Caldeira | 13 | Daughter | — | California |
| 43 | Leonard Caldeira | 9 | Son | — | California |
| 44 | Jack Caldeira | 8 | Son | — | California |
| 45 | Florence Caldeira | 1 | Daughter | — | California |
| 46 | John Shank | 37 | Head | Laborer | Hawaiian Islands |
| 47 | Kate Shank | 40 | Wife-H | Domestic | Hawaiian Islands |
| 48 | Emma R. Shank | 10 | Daughter | — | California |
| 49 | Walter J. Shank | 8 | Son | — | California |
| 50 | Joseph Perello | 33 | Head | Laborer | California |
Related Census Records
Pedigree Summary
Robert
Gen 1 · 3 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)