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Mary Souza — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Alameda, California

Our Model Tree links this Mary Souza across the 1910, 1920, 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 7-person household.

Age 39 b. ~1891 Female Spouse Born: Hawaii Married

1930 Census Record Details

Census Year1930
LocationAlameda, California
SurnameSouza
Given NameMary
Relationship to HeadWife
SexF
Color / RaceWhite
Age39
Marital StatusMarried
BirthplaceHawaii
Age at First Marriage16
Father's BirthplaceHawaii
Mother's BirthplaceHawaii
Additional Details
OccupationMangler
IndustryLaundry
Class of WorkerW
Can Read/WriteYes
Mother TonguePortuguese
Birth StateHawaii
Birth CountryUnited States
Birthplace (normalized)hawaii
OccupationMangler
Township / WardOakland City
Est. Birth Year~1891

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 1930 census.

Name Relation to head Relative to Mary Age Birth yr
Raymond Souza Son — 11 ~1919
William Souza Son — 15 ~1915
Herbert Mahl Other — 22 ~1908
Mary Souza Spouse — 39 ~1891
John Souza Head — 46 ~1884
Clara Souza Daughter — 19 ~1911
George Souza Son — 17 ~1913

Census Appearances

1910
Alameda, California
Spouse, age 22
Alameda, California · implied b. ~1888 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Souza
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 22
Marital Status Married
Birthplace Hawaii
Years Married 5
Children Born 3
Children Living 3
Father's Birthplace Port. Portuguese
Mother's Birthplace Port. Portuguese
Can Read Yes
Can Write Yes
Speaks English English
Birth State Hawaii
Birth Country United States
Birthplace (normalized) hawaii
1920
Alameda, California
Spouse, age 31
Alameda, California · implied b. ~1889 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Souza
Given Name Mary
Relationship to Head wife
Sex F
Color / Race White
Age 31
Marital Status Married
Birthplace Hawaii
Father's Birthplace Portugal
Mother's Birthplace Portugal
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State Hawaii
Birth Country United States
Birthplace (normalized) hawaii
1930
Alameda, California
Spouse, age 39
Alameda, California · implied b. ~1891 — 7 household members
Surname Souza
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 39
Marital Status Married
Birthplace Hawaii
Age at First Marriage 16
Father's Birthplace Hawaii
Mother's Birthplace Hawaii
Occupation Mangler
Industry Laundry
Class of Worker W
Can Read/Write Yes
Mother Tongue Portuguese
Birth State Hawaii
Birth Country United States
Birthplace (normalized) hawaii
1940
Alameda-County, California
Head, age 49
Alameda-County, California · implied b. ~1891 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Sousa
Given Name Mary R
Relationship to Head Head
Sex F
Color / Race White
Age 49
Marital Status Widowed
Birthplace Hawaii
1935 Residence (City) Oakland
1935 Residence (County) Alameda
Occupation Manager
Industry Laundry
Class of Worker PW
Hours Worked 40
Income (1939) 650
Highest Grade No 0
1935 Residence Same place
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.
Linked across censuses
Our Model Tree links Mary Souza across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Souza
Spouse · 1930 · age 39 · b. ~1891 · California
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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

Page Contents

22 people indexed on this census page (ia:1930:15thcensuspopula108unit:0174)

Line Name Age Relation Occupation Birthplace
51 John A. Powers 47 Head Carpenter Utah
52 Nellie Powers 40 Wife — Utah
53 Vernon J. Powers 15 Son — Utah
54 Nellie Powers 13 Daughter — Utah
55 Louis Powers 12 Son — Utah
56 Agnes Nichols 63 Head — Scotland
57 John Souza 46 Head Millman Hawaii
58 Mary Souza THIS PERSON 39 Wife Mangler Hawaii
59 Clara Souza 19 Daughter Mangler California
60 George Souza 17 Son Packer California
61 William Souza 15 Son — California
62 Raymond Souza 11 Son — California
63 Herbert Mahl 22 Lodger Laborer United States
64 Arthur Newell 28 Head Butcher California
65 Malveny Newell 33 Wife — Kentucky
66 Everett Newell 18 Brother Glazer California
67 Edward Barnes 12 Lodger — California
68 George Barnes 11 Lodger — California
69 Wallace Bergman 40 Head Watchman California
70 Mildred Bergman 34 Wife — California
71 Robert West 14 Stepson — California
72 Elinor West 13 Stepdaughter — California

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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)

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