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Mary Tierney — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Tierney across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.

Age 16 b. ~1924 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationNew-York-County, New York
SurnameTierney
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age16
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)NEW YORK
1935 Residence (County)NEW YORK
Additional Details
Highest GradeH-2
1935 ResidenceSame Place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York
Est. Birth Year~1924

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
John Tierney Son — 14 ~1926
William Tierney Son — 8 ~1932
Ann Tierney Daughter — 5 ~1935
Thomas Tierney Son — 21 ~1919
Catherine Tierney Spouse — 49 ~1891
Elizabeth Tierney Daughter — 23 ~1917
Frank Tierney Head — 53 ~1887
Mary Tierney Daughter — 16 ~1924
Frank Tierney Son — 24 ~1916

Census Appearances

1930
Bronx, New …
Daughter, age 5
Bronx, New York · implied b. ~1925 — 27 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Tierney
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Daughter, age 16
New-York-County, New York · implied b. ~1924 — 9 household members
Surname Tierney
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 16
Marital Status Single
Birthplace New York
1935 Residence (City) NEW YORK
1935 Residence (County) NEW YORK
Highest Grade H-2
1935 Residence Same Place
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 Tierney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Tierney
Daughter · 1940 · age 16 · b. ~1924 · New York
★ You are viewing this record
Sibling
Frank Tierney
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Tierney
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Tierney
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Tierney
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Tierney
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Tierney
Sibling · 1940 · age 14
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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02670-00015)

Line Name Age Relation Occupation Birthplace
41 James Dunworth 37 Nephew Meter Reader New York
42 Ellen Cronin 32 Lodger Nurse Eire
43 Bartholomew Lyons 41 Head Freight Handler Eire
44 Bridget Lyons 38 Wife — Eire
45 James O'Connor 34 Brother in law Electrician Eire
46 Mary O'Connor 34 Wife — Eire
47 Helen Bloch 72 Head — Germany
48 Sarah Mooney 72 Lodger — Germany
49 Alice Cavanagh 57 Head — New York
50 Eugene Cavanagh 25 Son Errand Boy New York
51 Florence Cavanagh 23 Daughter Typist New York
52 Daniel Schulhaus 80 Head — Germany
53 Ida Schulhaus 84 Wife — Germany
54 John Martin 34 Head Freight Worker Ireland
55 Catherine Martin 31 Wife — Ireland
56 Mary Martin 5 Daughter — New York
57 Harry Ward 55 Head Conductor Canada
58 John Mcgeheran 39 Head Elevator Operator Eire
59 Julia Mcgeheran 33 Wife — Eire
60 Philip Mcgeheran 0 Son — New York
61 Frank Tierney 53 Head Fireman Eire
62 Catherine Tierney 49 Wife — Eire
63 Elizabeth Tierney 23 Daughter Waitress New York
64 Frank Tierney 24 Son Typist New York
65 Thomas Tierney 21 Son Messenger New York
66 Mary Tierney THIS PERSON 16 Daughter — New York
67 John Tierney 14 Son — New York
68 William Tierney 8 Son — New York
69 Ann Tierney 5 Daughter — New York
70 James White 36 Head Bus Driver Eire
71 Bridget White 38 Wife — Eire
72 James White 9 Son — New York
73 Thomas White 7 Son — New York
74 John Conlon 56 Head Watchman Eire
75 Bridget Conlon 48 Wife — Eire
76 Thomas Conlon 28 Son Baker Eire
77 James Conlon 23 Son Butcher Eire
78 Gerald Conlon 20 Son Delivery Boy Eire
79 Rose Mcloughlin 49 Head — New York
80 Regina Mcloughlin 17 Daughter — 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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