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Mary Roach — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Walla Walla, Washington

Our Model Tree links this Mary Roach across the 1920 and 1930 US Censuses in Walla Walla, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 6-person household.

Age 15 b. ~1915 Female Daughter Born: Washington Single

1930 Census Record Details

Census Year1930
LocationWalla Walla, Washington
SurnameRoach
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceWashington
Father's BirthplaceNew York
Mother's BirthplaceWashington
Additional Details
Can Read/WriteYes
VeteranNo
Birth StateWashington
Birth CountryUnited States
Birthplace (normalized)washington
Township / WardWalla Walla City
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.

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

Name Relation to head Relative to Mary Age Birth yr
Mary Roach Daughter — 15 ~1915
M Roach Head — 44 ~1886
William Roach Son — 10 ~1920
Edward Roach Son — 17 ~1913
John Roach Son — 13 ~1917
Anna Roach Spouse — 34 ~1896

Census Appearances

1920
Walla Walla, …
Daughter, age 5
Walla Walla, Washington · implied b. ~1915 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Roach
Given Name Mary
Relationship to Head daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace Washington
Father's Birthplace New York
Mother's Birthplace Washington
Birth State Washington
Birth Country United States
Birthplace (normalized) washington
1930
Walla Walla, …
Daughter, age 15
Walla Walla, Washington · implied b. ~1915 — 6 household members
Surname Roach
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 15
Marital Status Single
Birthplace Washington
Father's Birthplace New York
Mother's Birthplace Washington
Can Read/Write Yes
Veteran No
Birth State Washington
Birth Country United States
Birthplace (normalized) washington

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 Roach across 2 US Census years (1920 and 1930) in Walla Walla, Washington, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Roach
Daughter · 1930 · age 15 · b. ~1915 · Washington
★ You are viewing this record
Sibling
William Roach
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Roach
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Roach
Sibling · 1930 · age 17
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 — Walla Walla, Washington Open full size

Page Contents

50 people indexed on this census page (ia:1930:15thcensus2523unit:0085)

Line Name Age Relation Occupation Birthplace
51 Fred O Myers 62 Step-son Baker Mississippi
52 Gertrude Michelson 81 Head — Norway
53 W. H. Sweetzer 40 Head Clerk Iowa
54 Alice E. Sweetzer 25 Wife — Idaho
55 Dewey L. Burton 29 Boarder Barber Tennessee
56 Geo W. Fraiser 47 Head Truck-Driver Missouri
57 Lily Fraiser 50 Wife — Washington
58 Arthur W. Fraiser 20 Son — Washington
59 Davis H. Fraiser 19 Son — Washington
60 Lowell L. Fraiser 13 Son — Washington
61 Wilma V. Fraiser 9 Daughter — Washington
62 J. T. Kane 54 Bro-in-law Miner California
63 Warren W. Smart 47 Head Foreman Oregon
64 Eva J. Smart 45 Wife — Oregon
65 Thomas Smart 8 Son — Washington
66 Theo Rondema 41 Head Salesman Holland
67 Anna Rondema 59 Wife — Ireland
68 Anna M. Rondema 22 Daughter Saleswoman Washington
69 Francis J. Rondema 18 Son — Washington
70 Frank Dunnigan 62 Bro-in-law Farmer Ireland
71 John Russell 34 Head Laborer Italy
72 Maryana Russell 32 Wife — Nebraska
73 Samuel S. Penny 57 Head Salesman California
74 Ellen C. Penny 54 Wife — California
75 Eldon A. Penny 30 Son — Washington
76 Rose Penny 27 Dau-in-law Waitress United States
77 Marie A. Penny 23 Daughter Stenographer Idaho
78 Virgil J. Penny 21 Son — Idaho
79 William T. Penny 19 Son — Idaho
80 Francis J. Penny 16 Son — Idaho
81 M. J. Roach 44 Head Yard-Master New York
82 Anna Roach 34 Wife — Washington
83 Edward Roach 17 Son — Washington
84 Mary Roach THIS PERSON 15 Daughter — Washington
85 John Roach 13 Son — Washington
86 William Roach 10 Son — Washington
87 Jas L. Mcallister 47 Head Salesman Washington
88 Lyetta Mcallister 39 Wife — Washington
89 Margaret Mcallister 17 Daughter — Washington
90 Robert Mcallister 14 Son — Washington
91 Rose Marie Mcallister 10 Daughter — Washington
92 Harold Mcallister 9 Son — Washington
93 Donald Mcallister 6 Son — Washington
94 Joseph Mcallister 1 Son — Washington
95 Hazel V. Fanning 38 Head Operator Iowa
96 Robert L. Fanning 11 Son — Washington
97 Helen W. Fanning 7 Daughter — Washington
98 Elizabeth J. Fanning 4 Daughter — Washington
99 Nevada M. Frink 70 Mother — Illinois
100 Bee Wallace 34 Head — Wisconsin

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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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