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John Knapp — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Steuben, New York

Our Model Tree links this John Knapp across the 1920 and 1930 US Censuses in Steuben, New York (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.

Age 11 b. ~1919 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationSteuben, New York
SurnameKnapp
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardCorning City
Est. Birth Year~1919

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 John Age Birth yr
Melvin Knapp Son — 5 ~1925
Shirley Knapp Daughter — 3 ~1927
Flo Knapp Spouse — 31 ~1899
Eugene Knapp Son — ~1930
Garnette Knapp Son — 7 ~1923
Oscar Knapp Head — 33 ~1897
John Knapp Son — 11 ~1919

Census Appearances

1920
Steuben, New …
Son, age 1
Steuben, New York · implied b. ~1919 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Knapp
Given Name John E.
Relationship to Head Son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Steuben, New …
Son, age 11
Steuben, New York · implied b. ~1919 — 7 household members
Surname Knapp
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
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 John Knapp across 2 US Census years (1920 and 1930) in Steuben, New York, using XGBoost record linkage.
Show:
This person
Anchor record
John Knapp
Son · 1930 · age 11 · b. ~1919 · New York
★ You are viewing this record
Sibling
Garnette Knapp
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Knapp
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Knapp
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Knapp
Sibling · 1930 · age 3
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 — Steuben, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1648:0577)

Line Name Age Relation Occupation Birthplace
51 Marion 5 Daughter — New York
52 Dorothy 2 Daughter — New York
53 Charles Blodgett 61 Head Glass Worker Pennsylvania
54 Martha Blodgett 50 Wife — England
55 Gerald Blodgett 23 Son Moulder New York
56 Annie Blodgett 19 Daughter Office Work New York
57 Irene Blodgett 18 Daughter Laborer New York
58 Walter Blodgett 14 Son — New York
59 Dennis Blodgett 9 Son — New York
60 Henry Adriance 45 Head Engineer Pennsylvania
61 Ira Adriance 44 Wife — New Jersey
62 Harold J Adriance 22 Son Carpenter New York
63 William L Adriance 20 Son Machinist New York
64 Mary E Adriance 18 Daughter — New York
65 Bernice E Adriance 16 Daughter — New York
66 Leland W Adriance 13 Son — New York
67 Edward L Hickey 35 Head Conductor Pennsylvania
68 Martha H Hickey 32 Wife — Pennsylvania
69 Lawrence M Hickey 12 Son — Pennsylvania
70 Paul D Hickey 11 Son — Pennsylvania
71 Edward L Jr Hickey 9 Son — Pennsylvania
72 Phyllis J Hickey 4 Daughter — New York
73 Joseph Mamazza 46 Head Proprietor Italy
74 Carrie Mamazza 33 Wife — Italy
75 Jennie Mamazza 14 Daughter — Pennsylvania
76 Carmella Mamazza 12 Daughter — New York
77 Dominic Mamazza 6 Son — New York
78 Josephine Mamazza 1 Daughter — New York
79 Charles Zecho 52 Head Laborer New York
80 Caroline Zecho 54 Wife — Sweden
81 Wellington Zecho 18 Son Laborer New York
82 William Zecho 53 Brother Turner New York
83 Ellen Zecho 76 Mother — New York
84 Julia Capper 24 Daughter Book Keeper New York
85 Frank Capper 6 Son — New York
86 Anne Capper 5 Granddaughter — New York
87 Fernanda Capper 3 Daughter — New York
88 Oscar Knapp 33 Head Machinist New York
89 Flo Knapp 31 Wife — New York
90 John Knapp THIS PERSON 11 Son — New York
91 Garnette Knapp 7 Son — New York
92 Melvin Knapp 5 Son — New York
93 Shirley Knapp 3 Daughter — New York
94 Eugene Knapp 0 Son — New York
95 John Viglio 62 Head Proprietor Italy
96 Mary Viglio 55 Wife — Italy
97 Howard Viglio 30 Son Salesman Pennsylvania
98 Dora Viglio 25 Daughter Clerk Pennsylvania
99 Edith Viglio 17 Daughter — Pennsylvania
100 Harry Viglio 15 Son — Pennsylvania

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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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