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Mary Callahan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Queens-County, New York

Our Model Tree links this Mary Callahan across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 4-person household.

Age 58 b. ~1882 Female Spouse Born: Ireland Married

1940 Census Record Details

Census Year1940
LocationQueens-County, New York
SurnameCallahan
Given NameMary
Relationship to HeadWife
SexF
Color / RaceWhite
Age58
Marital StatusMarried
BirthplaceIreland
1935 Residence (City)New York
1935 Residence (County)Queens
Naturalization StatusNaturalized
Additional Details
Highest GradeNo 5
1935 ResidenceSame Place
Birth CountryIreland
Birthplace (normalized)ireland
Township / WardNew York
Est. Birth Year~1882

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.

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

Name Relation to head Relative to Mary Age Birth yr
Helen Callahan Daughter — 20 ~1920
Mary Callahan Daughter — 37 ~1903
John Callahan Head — 65 ~1875
Mary Callahan Spouse — 58 ~1882

Census Appearances

1920
Queens, New …
Spouse, age 38
Queens, New York · implied b. ~1882 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Callahan
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 38
Marital Status Married
Birthplace Ireland
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue English
Birth Country Ireland
Birthplace (normalized) ireland
1930
New York, …
Spouse, age 49
New York, New York · implied b. ~1881 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Callahan
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 49
Marital Status Married
Birthplace Ireland
Naturalization Status Naturalized
Year of Immigration 1910
Age at First Marriage 20
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read/Write Yes
Mother Tongue English
Birth Country Ireland
Birthplace (normalized) ireland
1940
Queens-County, New …
Spouse, age 58
Queens-County, New York · implied b. ~1882 — 4 household members
Surname Callahan
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 58
Marital Status Married
Birthplace Ireland
1935 Residence (City) New York
1935 Residence (County) Queens
Naturalization Status Naturalized
Highest Grade No 5
1935 Residence Same Place
Birth Country Ireland
Birthplace (normalized) ireland

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 Callahan across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Callahan
Spouse · 1940 · age 58 · b. ~1882 · New York
★ You are viewing this record
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Queens-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02734-00448)

Line Name Age Relation Occupation Birthplace
41 Maxine Levey 3 Daughter — New York
42 Rudolf Picks 51 Head Clerk Austria
43 Marie Picks 60 Wife — Austria
44 Margaret Kraemer 23 Lodger Designer Germany
45 Catherine Kiernan 38 Head Clerical New York
46 Mary Kiernan 74 Mother — England
47 Effie E. Harris 60 Head — Scotland
48 David R. Harris 22 Son Clerical New York
49 Regina Eisenstaedt 64 Head — Poland
50 Else Frank 60 Lodger — Germany
51 John Callahan 65 Head Elevator Op Ireland
52 Mary Callahan THIS PERSON 58 Wife — Ireland
53 Mary Callahan 37 Daughter Comptometer Op New York
54 Helen Callahan 20 Daughter Stenographer New York
55 Elizabeth Schuloth 57 Head — Austria
56 Alfred Schuloth 57 Brother Engineer Austria
57 Charles Schuloth 54 Brother Lawyer Austria
58 Waldemar Ayres 31 Head Market Repr Maryland
59 Gertrude Ayres 27 Wife Drama Stud Oregon
60 Nelson Ayres 5 Son — New York
61 Gustave Kuhlman 55 Head Marbleizer Austria
62 Hedwig Kuhlman 57 Wife — Austria
63 George Saladino 74 Head Service Salesman New York
64 Sadie E. Saladino 55 Wife Stenographer New York
65 George Jr. Saladino 4 Son — New York
66 Marian Dumke 59 Aunt — Latvia
67 Louise Casey 51 Head — Irish Free St.
68 Margaret Casey 32 Daughter Billing Clerk New York
69 Louise Casey 27 Daughter Stenographer New York
70 Josephine Casey 20 Daughter Bookkeeper New York
71 Henry Bastian 36 Head Brewer Germany
72 Emma Bastian 33 Wife — Germany
73 Lillian Farrell 39 Head — New York
74 Cyrilla Farrell 10 Daughter — New York
75 Lorraine Farrell 7 Daughter — New York
76 Harold Hughes 40 Head Accountant New York
77 Kathlyn Hughes 39 Wife — New York
78 Harold Jr. Hughes 14 Son — New York
79 Robert E. Hughes 13 Son — New York
80 Margaret Mcquade 61 Mother-in-Law — New York

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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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