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Mary Horn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Sandusky-County, Ohio

Our Model Tree links this Mary Horn across the 1930 and 1940 US Censuses in Sandusky-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 9-person household.

Age 23 b. ~1917 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationSandusky-County, Ohio
SurnameHorn
Given NameMary E
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age23
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Fremont
1935 Residence (County)Sandusky
Additional Details
Occupationbookkeeper
Industryfactory
Class of WorkerPW
Hours Worked30
Income (1939)500
Highest GradeHs 4
1935 ResidenceSame house
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationBookkeeper
Township / WardFremont
Est. Birth Year~1917

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.

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

Name Relation to head Relative to Mary Age Birth yr
Mary Horn Daughter — 23 ~1917
Lois Horn Daughter — 14 ~1926
Margaret Horn Daughter — 14 ~1926
James Horn Son — 5 ~1935
Seraphin Horn Head — 46 ~1894
Edward Horn Son — 22 ~1918
Paul Horn Son — 13 ~1927
George Horn Son — 7 ~1933
Florence Horn Spouse — 37 ~1903

Census Appearances

1930
Sandusky, Ohio
Daughter, age 12
Sandusky, Ohio · implied b. ~1918 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Horn
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 12
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Pennsylvania
Can Read/Write Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Sandusky-County, Ohio
Daughter, age 23
Sandusky-County, Ohio · implied b. ~1917 — 9 household members
Surname Horn
Given Name Mary E
Relationship to Head Daughter
Sex F
Color / Race White
Age 23
Marital Status Single
Birthplace Ohio
1935 Residence (City) Fremont
1935 Residence (County) Sandusky
Occupation bookkeeper
Industry factory
Class of Worker PW
Hours Worked 30
Income (1939) 500
Highest Grade Hs 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 Mary Horn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Horn
Daughter · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Paul Horn
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Horn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Horn
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Horn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Horn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George 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 — Sandusky-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03139-00378)

Line Name Age Relation Occupation Birthplace
1 Rachel Wolfe 31 Wife Housewife Ohio
2 Larry Wolfe 1 Son — Ohio
3 Claude Garland 45 Head Owner Penn.
4 Bernice Garland 40 Wife Housewife Ohio
5 Mary Lou Garland 7 Daughter — Ohio
6 Modas Joseph 31 Head Machinist Ohio
7 Stella Joseph 28 Wife Housewife Ohio
8 Lamar Joseph 5 Son — Ohio
9 Thomas Donoghue 40 Head Owner Ohio
10 Pearl Donoghue 40 Wife Cashier Ohio
11 Clifford Boyce 41 Head Housewife Canada
12 Kathleen Boyce 37 Wife Physician Newfoundland
13 Beatrice Boyce 12 Daughter Housewife Montreal
14 J Clifford Boyce 11 Son — Ohio
15 Lit Hunt 51 Head Clerk Ohio
16 Regina Hunt 57 Wife Housewife Ohio
17 Marjorie A Hunt 19 Daughter — Ohio
18 Mary Agnes Hunt 14 Daughter — Ohio
19 Sara Lou Hunt 11 Daughter — Ohio
20 Seraphin Horn 46 Head Owner Ohio
21 Florence Horn 37 Wife Housewife Ohio
22 Mary E Horn THIS PERSON 23 Daughter Bookkeeper Ohio
23 Edward Horn 22 Son Assistant Manager Ohio
24 Lois Horn 14 Daughter — Ohio
25 Margaret Horn 14 Daughter — Ohio
26 Paul Horn 13 Son — Ohio
27 George Horn 7 Son — Ohio
28 James Horn 5 Son — Ohio
29 Wilbur Halm 51 Head Sheet Metal Ohio
30 Blanche Halm 49 Wife Housewife Ohio
31 Lee Marshall 33 Head Teacher Ohio
32 Doris Marshall 30 Wife Housewife Ohio
33 George Marshall 5 Son — Ohio
34 Viola L Marshall 1 Daughter — Ohio
35 Frank Shewell 54 Head Mail Clerk Ohio
36 Lucy P Shewell 50 Wife Housewife Ohio
37 Pearl M Shewell 28 Daughter Operator Ohio
38 Ruby J Shewell 20 Daughter — Ohio
39 Howard Havens 31 Head Finisher Ohio
40 Nina Havens 26 Wife Housewife 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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