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William Koch — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Orange, New York

Our Model Tree links this William Koch across the 1910, 1920 and 1930 US Censuses in Orange, New York (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1907), then head of a 4-person household.

Age 23 b. ~1907 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationOrange, New York
SurnameKoch
Given NameWilliam R
Relationship to HeadSon
SexM
Color / RaceWhite
Age23
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
OccupationEmbosser
IndustryFabrikoid
Class of WorkerW
Can Read/WriteYes
VeteranNo
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationEmbosser
Township / WardNewburgh City
Est. Birth Year~1907

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 1930 census.

Name Relation to head Relative to William Age Birth yr
William Koch Son — 23 ~1907
Kenneth Koch Son — 32 ~1898
Charles Koch Head — 71 ~1859
Ida Koch Spouse — 62 ~1868

Census Appearances

1910
Orange, New …
Son, age 3
Orange, New York · implied b. ~1907 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Koch
Given Name William R.
Relationship to Head Son
Sex M
Color / Race White
Age 3
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Speaks English English
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
Orange, New …
Son, age 13
Orange, New York · implied b. ~1907 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Koch
Given Name William R.
Relationship to Head Son
Sex M
Color / Race White
Age 13
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Orange, New …
Son, age 23
Orange, New York · implied b. ~1907 — 4 household members
Surname Koch
Given Name William R
Relationship to Head Son
Sex M
Color / Race White
Age 23
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Embosser
Industry Fabrikoid
Class of Worker W
Can Read/Write Yes
Veteran No
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.
Model Tree available
Our Model Tree links William Koch across 3 US Census years (1910, 1920 and 1930) in Orange, New York, using XGBoost record linkage. Identified parents: father Charles Koch (~0.92 confidence) and father Charles Koch (~0.92 confidence) and father John Koch (~0.92 confidence) and mother Ida Koch (~0.92 confidence) and mother Ida Koch (~0.92 confidence) and mother Mary Koch (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Charles Koch
b. ~1862
Source father
● Household · direct · ~0.92
Father
Charles Koch
b. ~1859
Source father
● Household · direct · ~0.92
Father
John Koch
b. ~1863
Source father
● Household · direct · ~0.92
Mother
Ida Koch
b. ~1868
Source mother
● Household · direct · ~0.92
Mother
Ida Koch
b. ~1867
Source mother
● Household · direct · ~0.92
Mother
Mary Koch
b. ~1868
Source mother
● Household · direct · ~0.92
This person
Anchor record
William Koch
Son · 1930 · age 23 · b. ~1907 · New York
★ You are viewing this record
Sibling
Kenneth Koch
Sibling · 1930 · age 32
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 — Orange, New York Open full size

Page Contents

46 people indexed on this census page (ia:1930:newyorkcensus00reel1633:0819)

Line Name Age Relation Occupation Birthplace
1 William H Hamilton 52 Head Machinist New York
2 Jennie G Hamilton 52 Wife None New York
3 Florence M Hamilton 21 Daughter Filing Clerk New York
4 Robert B Hamilton 11 Son None New York
5 Frederick Hamilton 5 Grandson None New York
6 Katherine Scott 55 Head None New York
7 Edith A Scott 31 Daughter Stenographer New York
8 Harold Scott 29 Son Salesman New York
9 Robert Scott 27 Son Salesman New York
10 Elizabeth Scott 24 Daughter Teacher New York
11 Elmer F Caruvee 31 Head Gardener New York
12 Virginia Caruvee 21 Wife Stripper-Helper New York
13 Arthur B Decker 36 Head Mechanic New York
14 Dorothy F Decker 39 Wife None New York
15 Charles J Decker 12 Son None New York
16 James C Hamilton 47 Head Carpenter New York
17 Platina Hamilton 48 Wife None New York
18 Mildred Hamilton 20 Daughter Weaver New York
19 James J Hamilton 17 Son Shipping Dept New York
20 George Statt 53 Head Trimmer New York
21 Agnes B Statt 43 Wife Waitress New Jersey
22 Marjorie Statt 20 Daughter None New Jersey
23 Charles H Koch 71 Head Night Watchman New York
24 Ida E Koch 62 Wife None New York
25 Kenneth F Koch 32 Son Embosser New York
26 William R Koch THIS PERSON 23 Son Embosser New York
27 William B Quick 34 Head Tin Smith New York
28 Christina M Quick 30 Wife None New York
29 Josephine M Quick 11 Daughter None New York
30 Evelyn M Quick 9 Daughter None New York
31 William B Jr Quick 7 Son None New York
32 Henry Nonenmacher 45 Head Agent New York
33 Minnie Nonenmacher 34 Wife None New York
34 Paul Nonenmacher 3 Son None New York
35 Daniel Nonenmacher 2 Son None New York
36 Philip Nonenmacher 1 Son None New York
37 Edward G Clark 50 Head Laborer New Jersey
38 Mary E Clark 39 Wife None New York
39 Rodman Avery 24 Head Coater New Hampshire
40 Anna M Avery 20 Wife None New York
41 Myron A Avery 1 Daughter None New York
42 George Baird 66 Head Painter New York
43 Elsie G Baird 56 Wife None New York
44 Howard G Baird 30 Son Stupid-Cutter New York
45 Alfred Hickman 61 Head Carpenter Delaware
46 Lila Hickman 54 Wife None Delaware

Search for William Koch

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Pedigree Summary

William + 1 sibling
Gen 1 · 6 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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