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William Horn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lake-County, Indiana

Our Model Tree links this William Horn across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.

Age 19 b. ~1921 Male Son Born: Indiana Single

1940 Census Record Details

Census Year1940
LocationLake-County, Indiana
SurnameHorn
Given NameWilliam
Relationship to HeadSon
SexM
Color / RaceWhite
Age19
Marital StatusSingle
BirthplaceIndiana
1935 Residence (City)East Chicago
1935 Residence (County)Lake
Additional Details
Industry0
Highest GradeC 1
1935 ResidenceSame Place
Birth StateIndiana
Birth CountryUnited States
Birthplace (normalized)indiana
Township / WardEast Chicago
Est. Birth Year~1921

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 1940 census.

Name Relation to head Relative to William Age Birth yr
Peter Horn Son — 5 ~1935
William Horn Son — 19 ~1921
Margaret Horn Daughter — 11 ~1929
Julia Horn Spouse — 41 ~1899
Robert Horn Son — 17 ~1923
John Horn Head — 53 ~1887
Paul Horn Son — 2 ~1938
Catharine Horn Daughter — 15 ~1925

Census Appearances

1930
Lake, Indiana
Son, age 9
Lake, Indiana · implied b. ~1921 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Horn
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 9
Marital Status Single
Birthplace Indiana
Father's Birthplace Indiana
Mother's Birthplace Indiana
Occupation none
Can Read/Write Yes
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana
1940
Lake-County, Indiana
Son, age 19
Lake-County, Indiana · implied b. ~1921 — 8 household members
Surname Horn
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace Indiana
1935 Residence (City) East Chicago
1935 Residence (County) Lake
Industry 0
Highest Grade C 1
1935 Residence Same Place
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana

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 Horn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Horn
Son · 1940 · age 19 · b. ~1921 · Indiana
★ You are viewing this record
Sibling
Robert Horn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catharine Horn
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Horn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Horn
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Horn
Sibling · 1940 · age 11
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

1940 US Federal Census — Lake-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01065-00946)

Line Name Age Relation Occupation Birthplace
1 Daphne Marion 6 Head — Indiana
2 Warren Moore 21 Lodger Maintenance Man Illinois
3 Meyer Rothstein 36 Head Proprietor Poland
4 Sara Rothstein 33 Wife Bookkeeper Illinois
5 Gerald Rothstein 12 Son — Indiana
6 Sidney Rothstein 7 Son — Indiana
7 Renee Rothstein 6 Daughter — Indiana
8 Harry Rothstein 3 Son — Indiana
9 John Horn 53 Head Proprietor Indiana
10 Julia Horn 41 Wife — Indiana
11 William Horn THIS PERSON 19 Son — Indiana
12 Robert Horn 17 Son — Indiana
13 Catharine Horn 15 Daughter — Indiana
14 Margaret Horn 11 Daughter — Indiana
15 Peter Horn 5 Son — Indiana
16 Paul Horn 2 Son — Indiana
17 George Fiegle 68 Head — Indiana
18 Lena Fiegle 66 Wife — Indiana
19 Aurelia Fiegle 29 Daughter Cook Keeper Indiana
20 Alvera Fiegle 19 Daughter — Indiana
21 Aulala Fiegle 27 Daughter English Teacher Indiana
22 Verle Fiegle 10 Son — Indiana
23 Roll Squibb 58 Head Locomotive Engineer Illinois
24 Iona Squibb 55 Wife — Illinois
25 Marie Squibb 33 Daughter Stenographer Illinois
26 Mary Squibb 24 Daughter Comptometer Illinois
27 Jack Squibb 15 Son — Indiana
28 Morris Mulldon 43 Head Locomotive Fireman Indiana
29 Carol Mulldon 36 Wife Stenographer Indiana
30 Dorothy Mulldon 10 Daughter — Indiana
31 Patricia Mulldon 6 Daughter — Indiana
32 William Humphrey 60 Father-in-law Yardmaster Illinois
33 Anna Humphrey 61 Mother-in-law — Illinois
34 Max Cohen 67 Head — Lithuania
35 Sadie Cohen 66 Wife — Lithuania
36 Morris Cohen 41 Son Proprietor Lithuania
37 Benjamin Cohen 34 Son Medical Doctor Indiana
38 Ethel Cohen 22 Daughter — Indiana
39 Ray Foreberg 38 Head Electrical Foreman Illinois
40 Bernice Foreberg 33 Wife — Indiana

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 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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