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Mary Cronin — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Cronin across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.

Age 15 b. ~1925 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationNew-York-County, New York
SurnameCronin
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)N.Y.C.
1935 Residence (County)New York
Additional Details
Class of Worker0
Highest GradeHs 1
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNyc
Est. Birth Year~1925

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.

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

Name Relation to head Relative to Mary Age Birth yr
Jerry Cronin Son — 9 ~1931
Sally Cronin Daughter — 7 ~1933
Peter Cronin Head — 46 ~1894
Gailegaille Cronin Daughter — 3 ~1937
Daniel Cronin Son — 10 ~1930
Sarah Cronin Spouse — 40 ~1900
Peter Cronin Son — 16 ~1924
Mary Cronin Daughter — 15 ~1925

Census Appearances

1930
New York, …
Other, age 5
New York, New York · implied b. ~1925 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cronan
Given Name Mary
Relationship to Head lodger
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace Irish Free State
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Daughter, age 15
New-York-County, New York · implied b. ~1925 — 8 household members
Surname Cronin
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 15
Marital Status Single
Birthplace New York
1935 Residence (City) N.Y.C.
1935 Residence (County) New York
Class of Worker 0
Highest Grade Hs 1
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 Cronin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cronin
Daughter · 1940 · age 15 · b. ~1925 · New York
★ You are viewing this record
Sibling
Peter Cronin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Cronin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Cronin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sally Cronin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gailegaille Cronin
Sibling · 1940 · age 3
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-t0627-02651-00426)

Line Name Age Relation Occupation Birthplace
1 Anne Hannon 6 Daughter — New York
2 Peter Cronin 46 Head Clerk New York
3 Sarah Cronin 40 Wife Maid New York
4 Peter Cronin 16 Son — New York
5 Mary Cronin THIS PERSON 15 Daughter — New York
6 Daniel Cronin 10 Son — New York
7 Jerry Cronin 9 Son — New York
8 Sally Cronin 7 Daughter — New York
9 Gaile|Gaille Cronin 3 Daughter — New York
10 Patrick Gilmore 36 Head Longshoreman Ireland
11 Delia Gilmore 31 Wife — Eire
12 Catherine Gilmore 8 Daughter — New York
13 Frances Gilmore 5 Daughter — New York
14 James Gilmore 4 Son — New York
15 John Gilmore 1 Son — New York
16 Peter Gilmore 1 Son — New York
17 James Mcnally 19 Head Laborer New York
18 Carrie Mcnally 19 Wife — New York
19 Mary Mcnally 1 Daughter — New York
20 Thomas Martin 36 Head Jeweler Newfoundland
21 Marguerite Martin 32 Wife Clerk Eire
22 Frances Martin 9 Son — New York
23 Mable Martin 8 Daughter — New York
24 Teresa Martin 5 Daughter — New York
25 Eugene Penfield 67 Head Painter New York
26 Beulah Penfield 60 Wife — New York
27 Patrick Skekill 31 Head Longshoreman Eire
28 Anna Skekill 37 Wife — Eire
29 Patrick Skekill 9 Son — New York
30 Charles Skekill 7 Son — New York
31 Thomas Skekill 5 Son — New York
32 Julia Skekill 3 Daughter — New York
33 Edward Hanley 27 Head Driver New York
34 Catherine Hanley 23 Wife — New York
35 Muriel Hanley 12 Daughter — New York
36 Barbara Hanley 8 Daughter — New York
37 Dorothy Hanley 5 Daughter — New York
38 Helen Miller 40 Head Operator New York
39 Grace Stewart 44 Sister File Clerk New York
40 John Hanley 28 Head Clerk 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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