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Mary Kirby — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cuyahoga-County, Ohio

Our Model Tree links this Mary Kirby across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.

Age 12 b. ~1928 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationCuyahoga-County, Ohio
SurnameKirby
Given NameMary Alice
Relationship to Headdaughter
SexF
Color / RaceWhite
Age12
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Cleveland
1935 Residence (County)Cuyahoga
Additional Details
Highest GradeNo 5
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardCleveland
Est. Birth Year~1928

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
Jerome Kirby Son — 13 ~1927
June Kirby Daughter — 9 ~1931
Richard Kirby Son — 18 ~1922
Robert Kirby Son — 20 ~1920
John Kirby Son — 17 ~1923
Marie Kirby Spouse — 48 ~1892
James Kirby Head — 48 ~1892
James Kirby Son — 24 ~1916
Mary Kirby Daughter — 12 ~1928

Census Appearances

1930
Cuyahoga, Ohio
Daughter, age 2
Cuyahoga, Ohio · implied b. ~1928 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kirby
Given Name Mary Alice
Relationship to Head Daughter
Sex F
Color / Race White
Age 2
Marital Status Single
Birthplace Ohio
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Cuyahoga-County, Ohio
Daughter, age 12
Cuyahoga-County, Ohio · implied b. ~1928 — 9 household members
Surname Kirby
Given Name Mary Alice
Relationship to Head daughter
Sex F
Color / Race White
Age 12
Marital Status Single
Birthplace Ohio
1935 Residence (City) Cleveland
1935 Residence (County) Cuyahoga
Highest Grade No 5
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 Kirby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kirby
Daughter · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Jerome Kirby
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kirby
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kirby
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kirby
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Kirby
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Kirby
Sibling · 1940 · age 18
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

39 people indexed on this census page (nara:1940:m-t0627-03236-00496)

Line Name Age Relation Occupation Birthplace
41 Edna Christensen 28 daughter Beautician Ohio
42 Melvin Christensen 30 son-in-law Sign Painter Ohio
44 Grace Robinson 59 head — Ohio
45 Jane Kessler 18 daughter — Ohio
46 John J Kessler 22 son-in-law Machinist Ohio
47 Edna Middleton 69 head — Ohio
48 Minnie L Chastie 70 head — Ohio
49 Aurilla Chastie 75 sister — New York
50 Adelaide Ellis 48 head — Ohio
51 Patricia K Ellis 22 daughter — Ohio
52 James P Kirby 48 head Journalist New York
53 Marie A Kirby 48 wife — New York
54 James P Jr. Kirby 24 son Advertising-Merchandising New York
55 Robert W. Kirby 20 son — Ohio
56 Richard N Kirby 18 son — Ohio
57 John T Kirby 17 son — Ohio
58 Jerome Kirby 13 son — Ohio
59 Mary Alice Kirby THIS PERSON 12 daughter — Ohio
60 June Ann Kirby 9 daughter — Ohio
61 Tom Gerspacher 34 head Doctor Of Medicine Ohio
62 Doris Gerspacher 28 wife Nurse Ohio
63 Carol Ann Gerspacher 5 daughter — Ohio
64 Joann Gerspacher 2 daughter — Ohio
65 Mother Martha None F Natural Organization —
66 Molly Mandau 19 servant Housekeeper Ohio
67 John Van Osdale 33 head Truck Driver Ohio
68 Josephine Van Osdale 31 wife — Pennsylvania
69 John Jr Van Osdale 7 son — Ohio
70 Thomas Van Osdale 2 son — Ohio
71 Edward W. Griffith 37 partner Truck Driver Ohio
72 Lillian Griffith 32 partner-wife Receptionist Ohio
73 Earl W. Raines 40 head Branch Manager Ohio
74 Cecelia C. Raines 34 wife — Pennsylvania
75 Rose Ann Raines 16 daughter — Ohio
76 William Raines 4 son — Ohio
77 Robert Raines 3 son — Ohio
78 Louis Morgenstern 45 head Sales Man New York
79 Sadie Morgenstern 42 wife — Ohio
80 Maurice Morgenstern 24 son Salesman 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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