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John Marshall — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Alameda, California

Our Model Tree links this John Marshall across the 1920, 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents David & John — first a son (b.~1912), then head of a 8-person household.

Age 18 b. ~1912 Male Son Born: California Single

1930 Census Record Details

Census Year1930
LocationAlameda, California
SurnameMarshall
Given NameJohn D.
Relationship to HeadSon
SexM
Color / RaceWhite
Age18
Marital StatusSingle
BirthplaceCalifornia
Father's BirthplaceNew Zealand
Mother's BirthplaceCalifornia
Additional Details
OccupationSalesman
IndustryPaint Store
Class of WorkerW
Can Read/WriteYes
Birth StateCalifornia
Birth CountryUnited States
Birthplace (normalized)california
OccupationSalesman
Township / WardOakland City
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.

8 people recorded at the same address in the 1930 census.

Name Relation to head Relative to John Age Birth yr
Marion Marshall Daughter — 15 ~1915
Alma Marshall Daughter — 10 ~1920
David Marshall Head — 48 ~1882
E Marshall Other — 34 ~1896
Douglas Marshall Son — 9 ~1921
John Marshall Son — 18 ~1912
S Marshall Son — 18 ~1912
Hugh Marshall Son — 16 ~1914

Census Appearances

1920
Alameda, California
Son, age 8
Alameda, California · implied b. ~1912 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Marshall
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace California
Father's Birthplace New Zealand
Mother's Birthplace California
Birth State California
Birth Country United States
Birthplace (normalized) california
1930
Alameda, California
Son, age 18
Alameda, California · implied b. ~1912 — 8 household members
Surname Marshall
Given Name John D.
Relationship to Head Son
Sex M
Color / Race White
Age 18
Marital Status Single
Birthplace California
Father's Birthplace New Zealand
Mother's Birthplace California
Occupation Salesman
Industry Paint Store
Class of Worker W
Can Read/Write Yes
Birth State California
Birth Country United States
Birthplace (normalized) california
1940
San-Francisco-County, California
Head, age 28
San-Francisco-County, California · implied b. ~1912 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Marshal
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 28
Marital Status Married
Birthplace California
1935 Residence (City) San Diego
1935 Residence (County) San Diego
Occupation Salesman
Industry Gas Station
Class of Worker PW
Hours Worked 48
Income (1939) 1800
Highest Grade No 8
1935 Residence California
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.
Model Tree available
Our Model Tree links John Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Marshall (~0.92 confidence) and father John Marshall (~0.92 confidence) and mother Julia Marshall (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
David Marshall
b. ~1882
Source father
● Household · direct · ~0.92
Father
John Marshall
b. ~1883
Source father
● Household · direct · ~0.92
Mother
Julia Marshall
b. ~1885
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Marshall
Son · 1930 · age 18 · b. ~1912 · California
★ You are viewing this record
Sibling
Alma Marshall
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
S Marshall
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Marshall
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Marshall
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Marshall
Sibling · 1930 · age 16
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

Page Contents

50 people indexed on this census page (ia:1930:15thcensuspopula106unit:0961)

Line Name Age Relation Occupation Birthplace
51 Doris Koenig 22 Wife-H None Germany
52 Eleanor Koenig 1 Daughter None California
53 Rex E. Smith 39 Head Clerk Iowa
54 Ruth G. Smith 40 Wife-H None California
55 Donald F. Smith 15 Son None Washington
56 Alta R. Smith 10 Daughter None Washington
57 Frederick W. Weihle 42 Head Machinist Germany
58 Emma B. Weihle 39 Wife-H None Germany
59 Roselinde E. Weihle 5 Daughter None California
60 Joseph G. Weihle 3 Son None California
61 Paul G. Weihle 1 Son None California
62 Guy G. Fishley 39 Head Tile Setter Massachusetts
63 Elizabeth J. Fishley 28 Wife-H None New York
64 Eileen R. Fishley 10 Daughter None California
65 William G. Fishley 8 Son None California
66 Martha J. Fishley 3 Daughter None California
67 David Marshall 48 Head Carpenter New Zealand
68 E. May Marshall 34 Wife-H None California
69 John D. Marshall THIS PERSON 18 Son Salesman California
70 S. Gordon Marshall 18 Son Clerk California
71 Hugh W. Marshall 16 Son None California
72 Marion S. Marshall 15 Daughter None California
73 Alma S. Marshall 10 Daughter None California
74 Douglas Marshall 9 Son None California
75 Malcolm L. Guerin 25 Head Package Agt. Georgia
76 E. Berta Guerin 21 Wife-H None Oregon
77 Betty J. Guerin 1 Daughter None California
78 Gladys A. Macdonald 34 Sister-Law Bookkeeper Oregon
79 Vivian L. Macdonald 10 Niece None California
80 Gilbert J. Johns 18 Nephew Shipping Clerk Oregon
81 James E. Taylor 41 Head Mail Wright California
82 Margaret Taylor 35 Wife-H None California
83 Loran W. Smith 58 Head Painter California
84 Nellie E. Smith 55 Wife-H None New York
85 Amiel A. Young 48 Head Carpenter Sweden
86 Maria K. Young 47 Wife-H None Sweden
87 Andrew J. Besenthal 35 Head Furnace Man California
88 Bertha Besenthal 24 Wife-H None California
89 Arthur L. Frahm 6 Step Son None California
90 Jacquelyn Frahm 3 Step Daughter None California
91 Louis Michaelson 42 Head Contractor Norway
92 Amanda Michaelson 44 Wife-H None Sweden
93 Rolf A. Michaelson 16 Son None California
94 Lawrence M. Michaelson 14 Son None California
95 August K. Bergh 23 Head Planer Norway
96 Elmira M. Bergh 20 Wife-H None Oklahoma
97 Curry A. Vincent 51 Head Carpenter Ohio
98 Irma M. Vincent 46 Wife-H None Illinois
99 Charles Vincent 26 Son Taxi Driver California
100 Thomas Green 32 Son-Law Taxi Driver United States

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Pedigree Summary

John + 5 siblings
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)

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