MS
Mary Souza — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Santa Clara, California
Our Model Tree links this Mary Souza across the 1920 and 1930 US Censuses in Santa Clara, California (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 9-person household.
Age 15
b. ~1915
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Santa Clara, California |
| Surname | Souza |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | City Of Santa Clara Part Of |
| Est. Birth Year | ~1915 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Walter Souza | Son | — | 7 | ~1923 |
| Danial Souza | Son | — | 18 | ~1912 |
| Antone Souza | Son | — | 12 | ~1918 |
| Palmeta Souza | Spouse | — | 38 | ~1892 |
| Manuel Souza | Head | — | 43 | ~1887 |
| Frances Souza | Daughter | — | 9 | ~1921 |
| Andrew Dues | Other | — | 37 | ~1893 |
| Paul Souza | Son | — | 20 | ~1910 |
| Mary Souza | Daughter | — | 15 | ~1915 |
Census Appearances
1920
Santa Clara, …
Daughter, age 5
Santa Clara, California · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Souza |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Santa Clara, …
Daughter, age 15
Santa Clara, California · implied b. ~1915 — 9 household members
| Surname | Souza |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | none |
| 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 Mary Souza across 2 US Census years (1920 and 1930) in Santa Clara, California, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Souza
Daughter · 1930 · age 15 · b. ~1915 · California
★ You are viewing this record
Sibling
Paul Souza
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Souza
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antone Souza
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Souza
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Danial Souza
Sibling · 1930 · age 18
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 — Santa Clara, California
Open full size
1930 US Federal Census — Santa Clara, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel219:0822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George Parola | 10 | Neph | None | Italy |
| 52 | Archibald Bowins | 65 | Head | Carpenter | Canada English |
| 53 | Dorkas Bowins | 52 | Wife | None | Canada English |
| 54 | Louis B Lunsford | 32 | Son in law | Mechanic | California |
| 55 | Roselma Lunsford | 28 | Daughter | Housekeeper | Canada English |
| 56 | Francis B Lunsford | 10 | Grand Daughter | None | California |
| 57 | Anthony J Alladio | 33 | Head | Box Maker | California |
| 58 | Adolph J Alladio | 30 | Brother | Laborer | California |
| 59 | Ferdinand P Alladio | 32 | Brother | Laborer | California |
| 60 | Manuel Souza | 43 | Head | Fireman | Portugal |
| 61 | Palmeta Souza | 38 | Wife | None | Portugal |
| 62 | Paul Souza | 20 | Son | Laborer | Hawaii |
| 63 | Danial Souza | 18 | Son | None | Hawaii |
| 64 | Mary Souza THIS PERSON | 15 | Daughter | None | California |
| 65 | Antone Souza | 12 | Son | None | California |
| 66 | Frances Souza | 9 | Daughter | None | California |
| 67 | Walter Souza | 7 | Son | None | California |
| 68 | Andrew Dues | 37 | Boarder | Fisherman | Poland |
| 69 | Wilbur S Ralston | 50 | Head | Service Man | Virginia |
| 70 | Nela C Ralston | 50 | Wife | None | Virginia |
| 71 | Ralph E Ralston | 26 | Son | Service Man | Illinois |
| 72 | Wilma J Ralston | 16 | Daughter | None | California |
| 73 | Nick Barisich | 42 | Head | Laborer | Austria |
| 74 | Madelen Barisich | 32 | Wife | None | Austria |
| 75 | Lucile Barisich | 7 | Daughter | None | California |
| 76 | Paul Barisich | 6 | Son | None | California |
| 77 | Lawrence Barisich | 4 | Son | None | California |
| 78 | Antone N Santos | 41 | Head | Mill Man | Hawaii |
| 79 | Ida F Santos | 36 | Wife | Ironer | Hawaii |
| 80 | Melva J Santos | 11 | Daughter | None | Hawaii |
| 81 | Earl M Santos | 9 | Son | None | California |
| 82 | Adelaide A Santos | 6 | Daughter | None | California |
| 83 | Arthur C Craig | 56 | Head | Laborer | California |
| 84 | Eunice E Craig | 43 | Wife | None | California |
| 85 | Evelyn E Craig | 18 | Daughter | None | California |
| 86 | Mildred J Craig | 16 | Daughter | None | California |
| 87 | John Venegas | 52 | Head | Painter | California |
| 88 | Dora E Venegas | 42 | Wife | None | California |
| 89 | Lydia M Venegas | 21 | Daughter | Teacher | California |
| 90 | Theodore C Venegas | 19 | Son | None | California |
| 91 | J Irving Venegas | 15 | Son | None | California |
| 92 | Robert W Venegas | 13 | Son | None | California |
| 93 | Ruth Marie Venegas | 8 | Daughter | None | California |
| 94 | John N Santos | 43 | Head | Laborer | Hawaii |
| 95 | Minnie N Santos | 42 | Wife | None | Hawaii |
| 96 | Ethel Santos | 18 | Daughter | Laborer | Hawaii |
| 97 | Eva Santos | 14 | Daughter | None | Hawaii |
| 98 | Walter Santos | 11 | Son | None | California |
| 99 | Able Santos | 9 | Son | None | California |
| 100 | Dorothy Santos | 7 | Daughter | None | California |
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)