MS
Mary Souza — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Alameda, California
Our Model Tree links this Mary Souza across the 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Female
Daughter
Born: Hawaii
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Souza |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Hawaii |
| Father's Birthplace | Hawaii |
| Mother's Birthplace | Hawaii |
| Additional Details | |
| Occupation | Wrapper |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
| Occupation | Wrapper |
| Township / Ward | City Of Oakland |
| Est. Birth Year | ~1912 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Souza | Daughter | — | 6 | ~1924 |
| Harry Souza | Son | — | 5 | ~1925 |
| Jennie Souza | Daughter | — | 15 | ~1915 |
| Mary Souza | Daughter | — | 18 | ~1912 |
| Alvera Souza | Daughter | — | 8 | ~1922 |
| Virginia Souza | Other | — | 38 | ~1892 |
| Ruth Souza | Daughter | — | 3 | ~1927 |
| Manuel Souza | Son | — | 12 | ~1918 |
| Manuel Souza | Head | — | 38 | ~1892 |
| Virginia Souza | Daughter | — | 16 | ~1914 |
Census Appearances
1920
Alameda, California
Daughter, age 8
Alameda, California · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Souza |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Hawaii |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Hawaii |
| Occupation | none |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
1930
Alameda, California
Daughter, age 18
Alameda, California · implied b. ~1912 — 10 household members
| Surname | Souza |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Hawaii |
| Father's Birthplace | Hawaii |
| Mother's Birthplace | Hawaii |
| Occupation | Wrapper |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
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 Alameda, California, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Souza
Daughter · 1930 · age 18 · b. ~1912 · California
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Sibling
Dorothy Souza
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Souza
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Souza
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Souza
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Souza
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvera Souza
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Souza
Sibling · 1930 · age 15
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 — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
49 people indexed on this census page (ia:1930:15thcensuspopula107unit:0333)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ambrozio Madros | 54 | Head | — | Azores |
| 52 | Anthony Madros | 24 | Son | Fire Repairer | Hawaii |
| 53 | Manuel Madros | 22 | Son | Fire Repairer | California |
| 54 | Charles Madros | 20 | Son | Laborer | California |
| 55 | Louis Vales | 32 | Head | Chauffeur | Porto Rico |
| 56 | Florence Vales | 26 | Wife-H | — | Portugal |
| 57 | Virginia Vales | 6 | Daughter | — | Hawaii |
| 58 | Florence Vales | 5 | Daughter | — | California |
| 59 | Mary Vales | 3 | Daughter | — | California |
| 60 | Louis Vales | 2 | Son | — | California |
| 61 | Manuel Souza | 38 | Head | Wire Worker | Hawaii |
| 62 | Virginia Souza | 38 | Wife-H | — | Hawaii |
| 63 | Mary Souza THIS PERSON | 18 | Daughter | Wrapper | Hawaii |
| 64 | Virginia Souza | 16 | Daughter | — | Hawaii |
| 65 | Jennie Souza | 15 | Daughter | — | Hawaii |
| 66 | Manuel Souza | 12 | Son | — | Hawaii |
| 67 | Alvera Souza | 8 | Daughter | — | Hawaii |
| 68 | Dorothy Souza | 6 | Daughter | — | California |
| 69 | Harry Souza | 5 | Son | — | California |
| 70 | Ruth Souza | 3 | Daughter | — | California |
| 71 | Jess Souza | 49 | Head | Can Maker | Portugal |
| 72 | Mary Souza | 44 | Wife-H | — | Hawaii |
| 73 | Rose Souza | 21 | Daughter | — | California |
| 74 | Elaine Souza | 17 | Daughter | — | California |
| 75 | Cecilio Gilbert Souza | 1 | Grandson | — | California |
| 76 | Frank Parira | 57 | Head | Ship Maker | Portugal |
| 77 | Legos Parira | 57 | Wife-H | — | Portugal |
| 78 | John Rodgues | 24 | Head | Bed Maker | Portugal |
| 79 | Caroline Rodgues | 19 | Wife-H | — | Hawaii |
| 80 | John Jr Rodgues | 0 | Son | — | California |
| 81 | Joseph Capitoni | 37 | Head | Laborer | Italy |
| 82 | Rosie Capitoni | 49 | Wife-H | — | Italy |
| 83 | Josephine Capitoni | 18 | Daughter | Wrapper | California |
| 84 | Phillip Capitoni | 17 | Son | — | California |
| 85 | Anna Capitoni | 14 | Daughter | — | California |
| 86 | Manuel Rogers | 29 | Head | Truck Driver | Hawaii |
| 87 | Melinda Rogers | 25 | Wife-H | — | Portugal |
| 88 | Wilfred Rogers | 1 | Son | — | California |
| 89 | Salvatore Spingola | 50 | Head | Janitor | Italy |
| 90 | Madeline Spingola | 36 | Wife-H | Cutter | Italy |
| 91 | Grace Spingola | 18 | Daughter | — | California |
| 92 | Angelina Spingola | 17 | Daughter | — | California |
| 93 | Antoinette Spingola | 14 | Daughter | — | California |
| 94 | Theresa Spingola | 12 | Daughter | — | California |
| 95 | William Spingola | 10 | Son | — | California |
| 96 | Dominick Musante | 36 | Head | Carpenter | California |
| 97 | Theresa Musante | 32 | Wife-H | — | Portugal |
| 98 | George Musante | 14 | Son | — | California |
| 99 | George Musante | 10 | Son | — | 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)