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John Maher — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Brown-County, Ohio

Our Model Tree links this John Maher across the 1930 and 1940 US Censuses in Brown-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.

Age 13 b. ~1927 Male Son Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationBrown-County, Ohio
SurnameMaher
Given NameJohn M.
Relationship to HeadSon
SexM
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)St. Martin Village
1935 Residence (County)Brown
Additional Details
Highest GradeNo 6
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardSt Martin Village
Est. Birth Year~1927

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 John Age Birth yr
John Maher Son — 13 ~1927
Raymond Maher Son — 8 ~1932
Francis Maher Daughter — 15 ~1925
Donald Maher Son — 11 ~1929
Hanna Maher Daughter — 14 ~1926
John Maher Head — 49 ~1891
Mary Maher Spouse — 39 ~1901
Rose Maher Daughter — 7 ~1933

Census Appearances

1930
Brown, Ohio
Son, age 3
Brown, Ohio · implied b. ~1927 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Maher
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 3
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Can Read/Write No
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Brown-County, Ohio
Son, age 13
Brown-County, Ohio · implied b. ~1927 — 8 household members
Surname Maher
Given Name John M.
Relationship to Head Son
Sex M
Color / Race White
Age 13
Marital Status Single
Birthplace Ohio
1935 Residence (City) St. Martin Village
1935 Residence (County) Brown
Highest Grade No 6
1935 Residence Same place
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 Maher across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Maher
Son · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Donald Maher
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Maher
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Maher
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hanna Maher
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Maher
Sibling · 1940 · age 15
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 — Brown-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03031-00313)

Line Name Age Relation Occupation Birthplace
1 Clinton Rosenbaum 28 Head Laborer Virginia
2 Mary Alice Rosenbaum 31 Wife — Kentucky
3 Harold Lee Rosenbaum 5 Son — Kentucky
4 Harrison Crit 48 Head Laborer Kentucky
5 Mary Alice Crit 45 Wife — Kentucky
6 Charles Crit 19 Son — Kentucky
7 Sy Norman Lawson 25 Son-in-law Laborer Kentucky
8 Lily Irene Lawson 22 Daughter — Tennessee
9 Harold Lawson 1 Grandson — Ohio
10 Roger Lawson 0 Grandson — Ohio
11 Willard Reynolds 23 Head Laborer Kentucky
12 Beula Reynolds 16 Wife — Kentucky
13 John D. Metzger 72 Head — Kentucky
14 Mary Metzger 72 Wife — Kentucky
15 Ruth Collins 16 Granddaughter — Ohio
16 John D. Dole 47 Head Operator & Sales Clerk Ohio
17 Frances Dole 32 Wife — Ohio
18 Eugene Boerstler 38 Head Sales Clerk Ohio
19 Marie D. Boerstler 35 Wife — Ohio
20 Maurene Boerstler 5 Daughter — Ohio
21 Marzene Boerstler 3 Daughter — Ohio
22 Frank Boerstler 67 Father — Ohio
23 Guy Dudley 49 Head Manager Of Plant Ohio
24 Ann Dudley 44 Wife Operator Ohio
25 Mary Waits 22 Daughter — Ohio
26 Russell Waits 25 Son-in-law Truck Driver Ohio
27 Leslie Graber 56 Head Janitor Ohio
28 Anna May Graber 52 Wife — Ohio
29 Gladys Graber 20 Daughter Telephone Operator Ohio
30 Emmett A. Huffner 60 Head Clerk Of Township And Carpenter Ohio
31 Agnes E. Huffner 40 Wife — Ohio
32 Rita Huffner 16 Daughter — Ohio
33 John D. Maher 49 Head Labor Indiana
34 Mary Maher 39 Wife — Ohio
35 Francis Ellen Maher 15 Daughter — Ohio
36 Hanna C. Maher 14 Daughter — Ohio
37 John M. Maher THIS PERSON 13 Son — Ohio
38 Donald Maher 11 Son — Ohio
39 Raymond B. Maher 8 Son — Ohio
40 Rose Ann Maher 7 Daughter — 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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