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John Maher — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lucas-County, Ohio

Our Model Tree links this John Maher across the 1930 and 1940 US Censuses in Lucas-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 Year	1940
Location	Lucas-County, Ohio
Surname	Maher
Given Name	John Ed.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	13
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Toledo City
1935 Residence (County)	Lucas
Additional Details
Highest Grade	No 6
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Toledo City
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
Sharon Maher	Daughter	—	4	~1936
Rose Maher	Spouse	—	35	~1905
Phillip Maher	Son	—	10	~1930
Robert Maher	Son	—	9	~1931
Edward Maher	Head	—	41	~1899
John Maher	Son	—	13	~1927
Susan Maher	Daughter	—	1	~1939
Donald Maher	Son	—	5	~1935

Census Appearances

1930

Lucas, Ohio

Son, age 3

Lucas, Ohio · implied b. ~1927 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Maher
Given Name	John E.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	3
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Lucas-County, Ohio

Son, age 13

Lucas-County, Ohio · implied b. ~1927 — 8 household members

Surname	Maher
Given Name	John Ed.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	13
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Toledo City
1935 Residence (County)	Lucas
Highest Grade	No 6
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links John Maher across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Maher

Son · 1940 · age 13 · b. ~1927 · Ohio

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Sibling

Phillip Maher

Sibling · 1940 · age 10

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Donald Maher

Sibling · 1940 · age 5

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Susan Maher

Sibling · 1940 · age 1

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Sharon Maher

Sibling · 1940 · age 4

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Robert Maher

Sibling · 1940 · age 9

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 — Lucas-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03266-00826)

Line	Name	Age	Relation	Occupation	Birthplace
1	Reuben W. Mills	44	Head	Master Mechanic	Michigan
2	Jean Mills	26	Daughter	Saleslady	Ohio
3	Richard Mills	18	Son	New Worker	Ohio
4	John Mills	16	Son	—	Ohio
5	Fred Vuillemot	48	Head	Commercial Artist	France
6	Elise (S) Vuillemot	48	Wife	—	France
7	Joseph Fetter	44	Head	Accountant	Ohio
8	Lydia (X) Fetter	38	Wife	—	Ohio
9	Joe D. Dailey	52	Head	Assistant Manager	Ohio
10	Alice (X) Dailey	56	Wife	—	Canada
11	Walter Tompkins	54	Nephew	Foreman	Minnesota
12	Mary Tompkins	72	Mother-in-law	—	England
13	George J. Kranz	56	Head	Owner	Ohio
14	Anna (X) Kranz	55	Wife	—	Ohio
15	Rose E. Kranz	28	Daughter	Office Manager	Ohio
16	Mary Catherine Kranz	20	Daughter	Credit Clerk	Ohio
17	Edward P. Maher	41	Head	Superintendent Of Inspectors	Ohio
18	Rose A. (X) Maher	35	Wife	—	Ohio
19	John Ed. Maher THIS PERSON	13	Son	—	Ohio
20	Phillip J. Maher	10	Son	—	Ohio
21	Robert V. Maher	9	Son	—	Ohio
22	Donald R. Maher	5	Son	—	Ohio
23	Sharon Rose Maher	4	Daughter	—	Ohio
24	Susan Maher	1	Daughter	—	Ohio
25	Paul A. Zeller	43	Head	Bookkeeper	Ohio
26	Marie R. (X) Zeller	42	Wife	—	Ohio
27	Patricia N. Zeller	17	Daughter	—	Ohio
28	Robert C. Zeller	13	Son	—	Ohio
29	Joanne M. Zeller	10	Daughter	—	Ohio
30	Mary M. Beiser	80	Mother-in-law	—	Ohio
31	Patrick Mccloskey	18	Nephew	—	Ohio
32	John B. Deroissant	45	Head	Architect	Belgium
33	Celia Deroissant	43	Wife	—	Michigan
34	Clarence Bertwistle	46	Head	Efficiency Engineer	Ohio
35	Gertrude Bertwistle	46	Wife	—	Ohio
36	Kenneth H. Prentiss	35	Head	Automobile Salesman	Ohio
37	Gertrude Prentiss	34	Wife	Bookkeeper	Ohio
38	Charles Mitchell	25	Head	Clerk	Illinois
39	Mary E. Mitchell	26	Wife	—	Ohio
40	Marlene Mitchell	1	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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