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William Dempsey — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · St Lawrence, New York

Our Model Tree links this William Dempsey across the 1920 and 1930 US Censuses in St Lawrence, New York (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 7-person household.

Age 18 b. ~1912 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationSt Lawrence, New York
SurnameDempsey
Given NameWilliam
Relationship to Headson
SexM
Color / RaceWhite
Age18
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
Occupationnone
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardCity Of Ogdensburg
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.

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

Name Relation to head Relative to William Age Birth yr
Joyce Dempsey Daughter — 12 ~1918
Marion Dempsey Daughter — 20 ~1910
William Dempsey Head — 50 ~1880
Elizabeth Dempsey Daughter — 24 ~1906
William Dempsey Son — 18 ~1912
Ella Dempsey Daughter — 30 ~1900
Emma Dempsey Other — 41 ~1889

Census Appearances

1920
St Lawrence, …
Son, age 8
St Lawrence, New York · implied b. ~1912 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Dempsey
Given Name William Jr
Relationship to Head Son
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read No
Can Write No
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
St Lawrence, …
Son, age 18
St Lawrence, New York · implied b. ~1912 — 7 household members
Surname Dempsey
Given Name William
Relationship to Head son
Sex M
Color / Race White
Age 18
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 William Dempsey across 2 US Census years (1920 and 1930) in St Lawrence, New York, using XGBoost record linkage.
Show:
This person
Anchor record
William Dempsey
Son · 1930 · age 18 · b. ~1912 · New York
★ You are viewing this record
Sibling
Marion Dempsey
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Dempsey
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Dempsey
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Dempsey
Sibling · 1930 · age 12
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 — St Lawrence, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1642:0286)

Line Name Age Relation Occupation Birthplace
51 William Mc Williams 6 daughter None New York
52 Gilbert Mc Williams 4 son None New York
53 William Dempsey 50 Head Steamfitter New York
54 Emma Dempsey 41 wife-H None New York
55 Ella Dempsey 30 daughter None New York
56 Elizabeth Dempsey 24 daughter None New York
57 Marion Dempsey 20 daughter None New York
58 Joyce Dempsey 12 daughter None New York
59 William Dempsey THIS PERSON 18 son None New York
60 Taylor Spooner 31 Head Carpenter New York
61 Leota Spooner 24 wife-H None New York
62 Harold Spooner 1 son None New York
63 Edward Coll 28 Boarder Tailor Ireland
64 Fred W. Brown 44 Head Conductor New York
65 Florence Brown 44 wife-H None New York
66 Virginia Brown 14 daughter None New York
67 Thomas Tingue 44 Head Checking Clerk New York
68 Lena Tingue 45 wife-H None New York
69 Bertha Tingue 17 daughter Saleslady New York
70 Kenneth Tingue 14 son None New York
71 Virginia Tingue 12 daughter None New York
72 Hazel Tingue 10 daughter None New York
73 Robert Tingue 8 son None New York
74 Eva Tingue 5 daughter None New York
75 Henry Boyer 77 father-law None New York
76 Hugh White 42 Head Welder England
77 Agnes White 39 wife-H None Scotland
78 Elizabeth White 11 daughter None England
79 Adelle Coleman 62 Head None New York
80 Fred Coleman 34 son Laborer New York
81 Harry Coleman 35 son Truck Driver New York
82 Walter Coleman 31 son Machine Operator New York
83 Edward Coleman 22 son Sulphite Worker New York
84 Eva Coleman 11 granddaughter None New York
85 Mary Coleman 1 granddaughter None New York
86 John Winters 27 Head Milk Tester Canada English
87 Dorothy Winters 26 wife-H None New York
88 James Winters 2 son None New York
89 Harold Benson 34 Head Operator New York
90 Elizabeth Benson 37 wife-H None New York
91 Harold Benson 3 son None New York
92 Frank Trathen 35 Head Laboring Canada English
93 Pearl Trathen 30 wife-H None New York
94 Frances Trathen 12 daughter None New York
95 Freda Trathen 12 daughter None New York
96 Ursula Trathen 10 daughter None New York
97 Myra Trathen 7 daughter None New York
98 Elizabeth Trathen 6 daughter None New York
99 John Murray 48 Head Fireman New York
100 Ella Murray 42 wife-H None New York

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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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