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Mary Mcnulty — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Mcnulty across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 10-person household.

Age 22 b. ~1918 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationWestchester-County, New York
SurnameMcNulty
Given NameMary C.
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age22
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Bronxville Village
1935 Residence (County)Westchester
Additional Details
Class of Worker0
Hours Worked0
Highest GradeH-4
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardBronxville Village
Est. Birth Year~1918

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.

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

Name Relation to head Relative to Mary Age Birth yr
Edward Mcnulty Son — 21 ~1919
Yvette Carby Other — 29 ~1911
Mary Mcnulty Daughter — 22 ~1918
Frank Mcnulty Head — 45 ~1895
Margaret Mcnulty Daughter — 19 ~1921
Frank Mcnulty Son — 14 ~1926
Margaret Mcnulty Spouse — 49 ~1891
John Mcnulty Son — 24 ~1916
Cecil Carby Other — 32 ~1908
Sybil Murray Other — 34 ~1906

Census Appearances

1930
Westchester, New …
Daughter, age 12
Westchester, New York · implied b. ~1918 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname McNulty
Given Name Marjorie
Relationship to Head Daughter
Sex F
Color / Race White
Age 12
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Westchester-County, New …
Daughter, age 22
Westchester-County, New York · implied b. ~1918 — 10 household members
Surname McNulty
Given Name Mary C.
Relationship to Head Daughter
Sex F
Color / Race White
Age 22
Marital Status Single
Birthplace New York
1935 Residence (City) Bronxville Village
1935 Residence (County) Westchester
Class of Worker 0
Hours Worked 0
Highest Grade H-4
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 Mcnulty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcnulty
Daughter · 1940 · age 22 · b. ~1918 · New York
★ You are viewing this record
Sibling
Margaret Mcnulty
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcnulty
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Mcnulty
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcnulty
Sibling · 1940 · age 21
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 — Westchester-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02802-00873)

Line Name Age Relation Occupation Birthplace
41 Clara Lohrmann 46 Maid Maid Germany
42 Caroline Kunzelmann 34 Cook Cook Germany
43 Elsie Agabur 29 Maid Maid New York
44 Gertrude Razinsky 28 Maid Maid Germany
45 Roger Kunzelmann 2 Lodger — New Jersey
46 John Larsson 41 Head Chauffeur New York
47 Cora Larsson 41 Wife — New York
48 Harold Larsson 20 Son — New York
49 Catherine Larsson 18 Daughter — New York
50 Otto E. Koegel 48 Head Lawyer Indiana
51 Rae E. Koegel 48 Wife — Indiana
52 James E. Koegel 22 Son — D.C.
53 Ruth A. Koegel 20 Daughter — D.C.
54 William F. Koegel 16 Son — D.C.
55 Belle Sharp 64 Cook Cook Tennessee
56 George Carby 40 Butler Butler Jamaica British
57 Frank J. Mcnulty 45 Head — New York
58 Margaret F. Mcnulty 49 Wife — New York
59 John T. Mcnulty 24 Son Salesman New York
60 Mary C. Mcnulty THIS PERSON 22 Daughter — New York
61 Edward F. Mcnulty 21 Son Salesman New York
62 Margaret F. Mcnulty 19 Daughter — New York
63 Frank J. Jr. Mcnulty 14 Son — New York
64 Cecil Carby 32 Butler Butler Jamaica British
65 Yvette Carby 29 Cook Cook Jamaica British
66 Sybil Murray 34 Maid Maid Jamaica British
67 Elizabeth Mcnaughton 79 Head — English
68 Laura Mcnaughton 53 Daughter — Minnesota
69 John A. Mcnaughton 48 Son Lawyer Wisconsin
70 George Yuqwa 45 Butler Butler Japan
71 Margaret Schneider 49 Maid Maid Germany
72 Carl G. Carlson 47 Head Chauffeur Sweden
73 Fanny Carlson 47 Wife — Sweden
74 Sigrid Carlson 16 Daughter — New York
75 Oscar Carlson 14 Son — New York
76 Gertrude Bailey 73 Head — New York
77 Caroline Dumont 34 Daughter — New York
78 Gertrude Dumont 16 Grand-dau — New York
79 Charles Dumont 12 Grand-son — New York
80 Anna Durkin 35 Cook Cook Eire

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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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