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Mary Fitzgerald — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Fitzgerald across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 4-person household.

Age 72 b. ~1868 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year1940
LocationQueens-County, New York
SurnameFitzgerald
Given NameMary
Relationship to HeadHead
SexF
Color / RaceWhite
Age72
Marital StatusWidowed
BirthplaceIreland
1935 Residence (City)New York City
1935 Residence (County)Queens
Naturalization StatusNaturalized
Additional Details
Industry0
Class of Worker0
Highest GradeH 8
1935 ResidenceSame place
Birth CountryIreland
Birthplace (normalized)ireland
Township / WardNew York City
Est. Birth Year~1868

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
Mary Fitzgerald Daughter — 31 ~1909
Eleanor Utcheimer Daughter — 38 ~1902
Mary Fitzgerald Head — 72 ~1868
John O'Leary Other — 25 ~1915

Census Appearances

1920
Hudson, New …
Head, age 54
Hudson, New Jersey · implied b. ~1866 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Fitzgerald
Given Name Mary
Relationship to Head Head
Sex F
Color / Race White
Age 54
Marital Status Widowed
Birthplace Ireland
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation Officer
Industry Bank
Class of Worker W
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue Irish
Birth Country Ireland
Year of Naturalization R
Birthplace (normalized) ireland
1930
Queens, New …
Head, age 65
Queens, New York · implied b. ~1865 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Fitzgerald
Given Name Mary
Relationship to Head Head
Sex F
Color / Race White
Age 65
Marital Status Widowed
Birthplace Ireland
Naturalization Status Naturalized
Year of Immigration 1885
Age at First Marriage 25
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read/Write Yes
Mother Tongue Irish
Home Owned/Rented R
Home Value / Rent 45
Birth Country Ireland
Birthplace (normalized) ireland
1940
Queens-County, New …
Head, age 72
Queens-County, New York · implied b. ~1868 — 4 household members
Surname Fitzgerald
Given Name Mary
Relationship to Head Head
Sex F
Color / Race White
Age 72
Marital Status Widowed
Birthplace Ireland
1935 Residence (City) New York City
1935 Residence (County) Queens
Naturalization Status Naturalized
Industry 0
Class of Worker 0
Highest Grade H 8
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 Fitzgerald across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Fitzgerald
Head · 1940 · age 72 · b. ~1868 · 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-t0627-02747-00876)

Line Name Age Relation Occupation Birthplace
41 Minnie Nicklaus 46 Wife — New York
42 George Nicklaus 16 Son — New York
43 Frank Studenroski 50 Head Manufacturer Poland
44 Catherine Studenroski 41 Wife — Poland
45 Adele Studenroski 27 Daughter Exam Of Dresses New York
46 Theodore Studenroski 29 Son Arch Draftsman New York
47 James Miller 56 Head Tile Helper New York
48 Helen Miller 60 Wife — New York
49 Sam De Martinus 36 Head Ironworker Italy
50 Constance De Martinus 32 Wife — Italy
51 Velma De Martinus 9 Daughter — Ohio
52 Louis De Martinus 6 Son — New York
53 Eugene De Martinus 1 Son — New York
54 George Dervakis 33 Head Proprietor Greece
55 Catherine Dervakis 27 Wife — New York
56 Frederick Pasch 54 Head Clerk New York
57 Josephine Pasch 55 Wife — New York
58 Marion Pasch 30 Daughter Secretary New York
59 Charles Romer 51 Brother Accountant New Jersey
60 Nellie Killermann 42 Head — New York
61 Rosemarie Killermann 4 Daughter — New York
62 William Willenbacker 44 Head Weigher New York
63 Edna Willenbacker 43 Wife — New York
64 William Willenbacker 18 Son — New York
65 Henry Willenbacker 77 Father — New York
66 Herman Perneggem 72 Father Foreman New York
67 Mario Avigni 65 Head Foreman Italy
68 Caroline Avigni 56 Wife — New York
69 Mary Crippa 78 Friend — New York
70 Michael Succiasano 36 Head Special Artist Italy
71 Irene Succiasano 30 Wife — New York
72 Herbert Roper 55 Head Plumber New York
73 Anna Roper 48 Wife — New York
74 Herbert Roper 25 Son Seaman New York
75 William Roper 13 Son — New York
76 Ronald Roper 9 Son — New York
77 Mary Fitzgerald THIS PERSON 72 Head — Ireland
78 Mary Fitzgerald 31 Daughter Stenographer New York
79 Eleanor Utcheimer 38 Daughter — New York
80 John O'Leary 25 Nephew Student 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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