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Mary Quinn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lucas-County, Ohio

Our Model Tree links this Mary Quinn across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 11-person household.

Age 14 b. ~1926 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationLucas-County, Ohio
SurnameQuinn
Given NameMary Ann
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Toledo
1935 Residence (County)Lucas
Additional Details
Highest Grade8
1935 ResidenceSame Place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardToledo
Est. Birth Year~1926

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.

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

Name Relation to head Relative to Mary Age Birth yr
Helen Quinn Daughter — 22 ~1918
Mary Quinn Daughter — 14 ~1926
Rita Quinn Daughter — 20 ~1920
Bernard Quinn Head — 44 ~1896
Bernard Quinn Son — 18 ~1922
Daniel Quinn Son — 7 ~1933
Richard Quinn Son — 12 ~1928
William Quinn Son — 5 ~1935
Robert Quinn Son — 3 ~1937
John Quinn Son — 16 ~1924
Marie Henning Spouse — 46 ~1894

Census Appearances

1930
Lucas, Ohio
Daughter, age 4
Lucas, Ohio · implied b. ~1926 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Quinn
Given Name Mary A.
Relationship to Head Daughter
Sex F
Color / Race White
Age 4
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
Lucas-County, Ohio
Daughter, age 14
Lucas-County, Ohio · implied b. ~1926 — 11 household members
Surname Quinn
Given Name Mary Ann
Relationship to Head Daughter
Sex F
Color / Race White
Age 14
Marital Status Single
Birthplace Ohio
1935 Residence (City) Toledo
1935 Residence (County) Lucas
Highest Grade 8
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 Quinn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Quinn
Daughter · 1940 · age 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
William Quinn
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Quinn
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Quinn
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Quinn
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Quinn
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Quinn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Quinn
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Quinn
Sibling · 1940 · age 16
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

36 people indexed on this census page (nara:1940:m-t0627-03264-00015)

Line Name Age Relation Occupation Birthplace
41 Myrtle Duncan 24 Wife — Ohio
42 Richard Duncan 5 Son — Ohio
43 Luther Ehalert 38 Head Stenographer Ohio
44 Mabel B. The Morton 55 Wife — Ohio
45 Charles The Morton 73 Head Barber Ohio
46 Harry The Morton 30 Son — Ohio
47 Margaret Miller 32 Daughter-in-law Library Ohio
48 William Miller 5 Grandchild — Ohio
49 Frieda B. Body 57 Wife — Germany
50 Louis Body 57 Head Watchman Ohio
51 Luella Goodrich 41 Head Waitress Ohio
52 Emma Heffelfinger 61 Head — Indiana
53 Earl Heffelfinger 29 Son Machinist Indiana
54 Leora Heffelfinger 27 Daughter-in-law Typist Ohio
57 Otis Frost 79 Lodger — Indiana
58 Nora Lawrence 23 Head — Ohio
59 Olga Baumgartner 33 Wife — Germany
60 Frank Baumgartner 32 Head Shoemaker Germany
61 Robert Baumgartner 2 Son — Ohio
62 Mary Quinn 43 Wife — Ohio
63 Bernard Quinn 44 Head Machine Operator Ohio
64 Helen Quinn 22 Daughter — Ohio
65 Rita Quinn 20 Daughter Clerk Ohio
66 Bernard Jr. Quinn 18 Son — Ohio
67 John Quinn 16 Son — Ohio
68 Mary Ann Quinn THIS PERSON 14 Daughter — Ohio
69 Richard Quinn 12 Son — Ohio
70 Daniel Quinn 7 Son — Ohio
71 William Quinn 5 Son — Ohio
72 Robert Quinn 3 Son — Ohio
73 Marie Henning 46 Wife — Ohio
74 Arthur Henning 48 Head Machinist Ohio
75 Charles Henning 82 Head — Ohio
76 Lillian B. Henning 43 Daughter — Ohio
77 Frank Grosclaude 64 Head Shipping Clerk Ohio
78 Patricia Grosclaude 64 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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