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Mary Silva — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Alameda-County, California

Our Model Tree links this Mary Silva across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 4-person household.

Age 36 b. ~1904 Female Head Born: Hawaii Married

1940 Census Record Details

Census Year1940
LocationAlameda-County, California
SurnameSilva
Given NameMary
Relationship to HeadHead
SexF
Color / RaceWhite
Age36
Marital StatusMarried
BirthplaceHawaii
1935 Residence (City)Oakland
1935 Residence (County)Alameda
Naturalization StatusNaturalized
Additional Details
OccupationFlat work ironer
IndustryRailroad Laundry
Class of WorkerPW
Hours Worked16
Income (1939)720
Highest GradeNo 6
1935 ResidenceSame Place
Birth StateHawaii
Birth CountryUnited States
Birthplace (normalized)hawaii
OccupationFlat Work Ironer
Township / WardOakland
Est. Birth Year~1904

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.

4 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Fukiko Silva Daughter — 19 ~1921
Evelyn Silva Daughter — 9 ~1931
Dolores Silva Daughter — 16 ~1924
Mary Silva Head — 36 ~1904

Census Appearances

1920
Alameda, California
Daughter, age 16
Alameda, California · implied b. ~1904 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Silva
Given Name Mamie
Relationship to Head Daughter
Sex F
Color / Race White
Age 16
Marital Status Married
Birthplace Hawaii
Father's Birthplace Hawaii
Mother's Birthplace Hawaii
Birth State Hawaii
Birth Country United States
Birthplace (normalized) hawaii
1930
Alameda, California
Spouse, age 26
Alameda, California · implied b. ~1904 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Silva
Given Name Mamie
Relationship to Head Wife
Sex F
Color / Race White
Age 26
Marital Status Married
Birthplace Hawaii
Age at First Marriage 16
Father's Birthplace Hawaii
Mother's Birthplace Hawaii
Can Read/Write Yes
Birth State Hawaii
Birth Country United States
Birthplace (normalized) hawaii
1940
Alameda-County, California
Head, age 36
Alameda-County, California · implied b. ~1904 — 4 household members
Surname Silva
Given Name Mary
Relationship to Head Head
Sex F
Color / Race White
Age 36
Marital Status Married
Birthplace Hawaii
1935 Residence (City) Oakland
1935 Residence (County) Alameda
Naturalization Status Naturalized
Occupation Flat work ironer
Industry Railroad Laundry
Class of Worker PW
Hours Worked 16
Income (1939) 720
Highest Grade No 6
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 Silva across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Silva
Head · 1940 · age 36 · b. ~1904 · California
★ You are viewing this record
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Alameda-County, California Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-00436-00925)

Line Name Age Relation Occupation Birthplace
42 Mary Silva THIS PERSON 36 Head Flat Work Ironer Hawaii
43 Fukiko Silva 19 Daughter — California
44 Dolores Silva 16 Daughter — California
45 Evelyn Silva 9 Daughter — California
46 Joseph Souza 45 Head Acetylene Burner Portugal
47 Minnie M. Souza 53 Wife — California
48 Ray Souza 67 Lodger — Tennessee
49 Avery, Edith G. Souza 77 Lodger — Minnesota
50 Harry Guevara 34 Head — Mexico
51 Pearl Guevara 30 Wife — Spain
52 Tony Guevara 12 Son — California
53 Harry Jr. Guevara 10 Son — California
54 Catherine Guevara 3 Daughter — California
55 Ernest Mccurdy 35 Head Painter Nebraska
56 Dorothy Mccurdy 34 Wife — Kansas
57 Barbara Mccurdy 16 Daughter — Idaho
58 Robert Mccurdy 12 Son — Idaho
59 Cyrus Hamilton 68 Head — Iowa
60 Joseph Fago 26 Head Hospital Maid Hawaii
61 Mike Fago 2 Son — California
62 Josephine Ramirez 60 Mother — Spain
63 Josephine Ramirez 19 Daughter Hospital Maid California
64 Alice Ramirez 18 Daughter New Worker California
65 Guy Morgan 25 Head Painter Apprentice Louisiana
66 Ada Morgan 46 Mother — Arkansas
67 Macon Morgan 17 Brother — Arkansas
68 Harold Crowe 24 Head Warehouseman Oklahoma
69 Margaret Crowe 20 Wife — Louisiana
70 Barbara Crowe 0 Daughter — California
71 Frank Souza 47 Head Labor Portugal
72 Helen Souza 20 Daughter New Worker California
73 Isabel Souza 18 Daughter New Worker California
74 Roger Souza 18 Son Garage Work California
75 Salvador Vasquez 40 Head Collector Mexico
76 Anna Vasquez 36 Wife — Mexico
77 Roland Vasquez 13 Son — California
78 Geraldine Vasquez 11 Daughter — California
79 Benjamin Dollinger 28 Head U.S. Coast Guard South Dakota
80 Lucile J. Dollinger 26 Wife — Idaho

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 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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