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JH

John Horn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this John Horn across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.

Age 22 b. ~1918 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationHamilton-County, Ohio
SurnameHorn
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age22
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Cincinnati
1935 Residence (County)Hamilton
Additional Details
OccupationLaborer
IndustryBody industry
Class of WorkerPW
Hours Worked38
Highest GradeH-4
1935 ResidenceSame house
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationLaborer
Township / WardCincinnati
Est. Birth Year~1918

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.

10 people recorded at the same address in the 1940 census.

Name Relation to head Relative to John Age Birth yr
Peter Horn Son — 5 ~1935
Glen Horn Son — 10 ~1930
Irene Horn Daughter — 7 ~1933
Ralph Horn Son — 23 ~1917
John Horn Son — 22 ~1918
Peter Horn Head — 49 ~1891
Loretta Horn Daughter — 17 ~1923
Philip Horn Son — 12 ~1928
Lorraine Horn Spouse — 43 ~1897
Harold Horn Son — 20 ~1920

Census Appearances

1930
Hamilton, Ohio
Other, age 11
Hamilton, Ohio · implied b. ~1919 — 50 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Horn
Given Name John
Relationship to Head Inmate
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace Ohio
Father's Birthplace Hungary
Mother's Birthplace Hungary
Can Read/Write Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Hamilton-County, Ohio
Son, age 22
Hamilton-County, Ohio · implied b. ~1918 — 10 household members
Surname Horn
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 22
Marital Status Single
Birthplace Ohio
1935 Residence (City) Cincinnati
1935 Residence (County) Hamilton
Occupation Laborer
Industry Body industry
Class of Worker PW
Hours Worked 38
Highest Grade H-4
1935 Residence Same house
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio

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 Horn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Horn
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Harold Horn
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Horn
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Horn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Horn
Sibling · 1940 · age 23
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
Philip Horn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Horn
Sibling · 1940 · age 7
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 — Hamilton-County, Ohio Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03200-00274)

Line Name Age Relation Occupation Birthplace
1 Margaret Karwisch 6 Daughter — Ohio
2 Bernard Karwisch 4 Son — Ohio
3 Paul Karwisch 3 Son — Ohio
4 Wm Petersman 44 Head Milk Driver Ohio
5 Helen Petersman 45 Wife — Indiana
6 Robert Petersman 19 Son Office Clerk Ohio
7 Walter Petersman 18 Son Electrician Ohio
8 Wm Martin 40 Head Salesman Kentucky
9 Mildred Martin 29 Wife — Mississippi
10 Louise Martin 10 Daughter — Mississippi
11 David Martin 9 Son — Mississippi
12 Fay Martin 7 Daughter — Mississippi
14 Geo Weber 53 Head Truck Driver Ohio
15 Irena Weber 51 Wife — Ohio
16 Geo Q Weber 26 Son Sausage Maker Ohio
17 Earl Weber 23 Son Baker Ohio
18 Nelda J. Weber 13 Daughter — Ohio
19 Peter Horn 49 Head Painter Ohio
20 Lorraine Horn 43 Wife — Ohio
21 Ralph Horn 23 Son Meat Cutter Ohio
22 John Horn THIS PERSON 22 Son Laborer Ohio
23 Harold Horn 20 Son Painter Ohio
24 Loretta Horn 17 Daughter New Worker Ohio
25 Philip Horn 12 Son — Ohio
26 Glen Horn 10 Son — Ohio
27 Irene Horn 7 Daughter — Ohio
28 Peter Horn 5 Son — Ohio
29 Pasquale Lucia 54 Head Mechanic Italy
30 Lucy Lucia 45 Wife — Italy
31 Herman Lucia 26 Son Mechanic Ohio
32 Rose Lucia 25 Daughter Tailoress Ohio
33 Mary Lucia 21 Daughter — Ohio
34 John Saladino 22 Step son Machinist Ohio
35 Carmella Saladino 14 Step daugr — Ohio
36 Michael Saladino 12 Step son — Ohio
37 Samuel Saladino 10 Step son — Ohio
38 Lucile Lucia 23 Head Inspector Ohio
39 Ruth Lucia 20 Wife — Ohio
40 Patricia Lucia 3 Son — Ohio

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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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