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Mary Hagan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cuyahoga-County, Ohio

Our Model Tree links this Mary Hagan across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 7-person household.

Age 22 b. ~1918 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationCuyahoga-County, Ohio
SurnameHagan
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age22
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Cleveland City
1935 Residence (County)Cuyahoga
Additional Details
OccupationSecretary
IndustryAir Reduction
Class of WorkerPW
Hours Worked44
Income (1939)1200
Highest GradeH-4
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationSecretary
Township / WardCleveland City
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.

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

Name Relation to head Relative to Mary Age Birth yr
Hannah Hagan Spouse — 46 ~1894
Eugene Hagan Son — 20 ~1920
Joan Hagan Daughter — 11 ~1929
Andrew Hagan Head — 49 ~1891
James Hagan Son — 17 ~1923
Gerard Hagan Son — 24 ~1916
Mary Hagan Daughter — 22 ~1918

Census Appearances

1930
Cuyahoga, Ohio
Daughter, age 13
Cuyahoga, Ohio · implied b. ~1917 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hogan
Given Name Mary E
Relationship to Head Daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace Ohio
Father's Birthplace Ireland Free State
Mother's Birthplace Ireland Free State
Can Read/Write Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Cuyahoga-County, Ohio
Daughter, age 22
Cuyahoga-County, Ohio · implied b. ~1918 — 7 household members
Surname Hagan
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 22
Marital Status Single
Birthplace Ohio
1935 Residence (City) Cleveland City
1935 Residence (County) Cuyahoga
Occupation Secretary
Industry Air Reduction
Class of Worker PW
Hours Worked 44
Income (1939) 1200
Highest Grade H-4
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 Mary Hagan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hagan
Daughter · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Joan Hagan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerard Hagan
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Hagan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hagan
Sibling · 1940 · age 17
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 — Cuyahoga-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03238-00351)

Line Name Age Relation Occupation Birthplace
1 James G. Knapp 30 Head Service Man Indiana
2 Mary L. Knapp 26 Wife Stenographer Ohio
3 James G. Jr. Knapp 0 Son — Ohio
4 Clarence G. Bieler 49 Head Auditor Ohio
5 Phoebe A. Bieler 43 Wife — Pennsylvania
6 Lucille Bieler 19 Daughter Station Clerk Ohio
7 William Bieler 16 Son — Ohio
8 Ruth Bieler 8 Daughter — Ohio
9 Andrew J. Hagan 49 Head Attorney Ohio
10 Hannah Hagan 46 Wife — Germany
11 Gerard Hagan 24 Son Draftsman Ohio
12 Mary Hagan THIS PERSON 22 Daughter Secretary Ohio
13 Eugene Hagan 20 Son New Worker Ohio
14 James Hagan 17 Son — Ohio
15 Joan Hagan 11 Daughter — Ohio
16 Albert B. Hammer 43 Head Sales Manager Michigan
17 Edith K. Hammer 40 Wife — Wisconsin
18 Ernest B. Jr. Hammer 12 Son — Illinois
19 Cecilia M. Maceyko 20 Maid Housekeeper Ohio
20 William Robinson 53 Head Marine Engineer Michigan
21 Elizabeth Robinson 48 Wife — Michigan
22 William Jr. Robinson 21 Son — Ohio
23 James S. Robinson 15 Son — Ohio
24 Evelyn H. Zimmer 43 Head — Ohio
25 Dorothy Zimmer 21 Daughter Stenographer Ohio
26 Charles Chandler 73 Father — New York
27 Clemence Kuegelder 38 Lodger Piano Teacher Germany
28 Frank Meletzke 38 Lodger Tool Maker Germany
29 Edward N. Smith 33 Head Clerk Office Pennsylvania
30 Harriette E. Smith 32 Wife — Indiana
31 Edward Smith 11 Son — Ohio
32 Beverly Smith 7 Daughter — Ohio
33 Carol Smith 4 Daughter — Ohio
34 James E. Etchison 36 Head Service Engineer Massachusetts
35 Zella K. Etchison 35 Wife — Ohio
36 James W. Etchison 13 Son — Ohio
37 Ada M. Etchison 11 Daughter — Michigan
38 Walter D. Etchison 9 Son — Michigan
39 Raymond M. Bertsch 41 Head Field Supervisor Ohio
40 Helen L. Bertsch 40 Wife — 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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