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Mary Delaney — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Delaney across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.

Age 20 b. ~1920 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationNew-York-County, New York
SurnameDelaney
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age20
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York City
1935 Residence (County)New York
Additional Details
OccupationPacker
IndustryFood
Class of WorkerPW
Hours Worked47
Income (1939)496
Highest GradeNo 8
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationPacker
Township / WardNew York City
Est. Birth Year~1920

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
Helen Delaney Daughter — 21 ~1919
Cornelius Delaney Son — 12 ~1928
Martin Delaney Son — 15 ~1925
John Delaney Son — 14 ~1926
Edward Delaney Son — 17 ~1923
Helen Delaney Spouse — 45 ~1895
Thomas Delaney Head — 47 ~1893
Mary Delaney Daughter — 20 ~1920
Frank Delaney Son — 19 ~1921

Census Appearances

1930
New York, …
Daughter, age 9
New York, New York · implied b. ~1921 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Delaney
Given Name Mary
Relationship to Head daughter
Sex F
Color / Race White
Age 9
Marital Status Single
Birthplace New York
Father's Birthplace Irish Free State
Mother's Birthplace Irish Free State
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Daughter, age 20
New-York-County, New York · implied b. ~1920 — 9 household members
Surname Delaney
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 20
Marital Status Single
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) New York
Occupation Packer
Industry Food
Class of Worker PW
Hours Worked 47
Income (1939) 496
Highest Grade No 8
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 Delaney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Delaney
Daughter · 1940 · age 20 · b. ~1920 · New York
★ You are viewing this record
Sibling
Frank Delaney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Delaney
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Delaney
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Delaney
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Delaney
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Delaney
Sibling · 1940 · age 12
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-t0627-02630-00983)

Line Name Age Relation Occupation Birthplace
1 Doris Fox 2 Daughter — New York
2 Harriet Walsh 61 Head H New York
3 Anna Mcmahon 87 Head Ot Eire
4 John Mcmahon 47 Son Laborer New York
5 Jenny Vance 50 Head Ot New York
6 Patrick Kennedy 79 Uncle Ot New York
7 Anna Neumann 66 Head Ot Pennsylvania
8 William Van Bramer 38 Son Helper New York
9 Frances Van Bramer 5 Granddaughter — New York
10 John Soler 40 Head Laborer Spain
11 Marie Soler 30 Wife H Virginia
12 John Keane 44 Head Laborer Eire
13 Anna Keane 42 Wife H Eire
14 James Keane 12 Son — New Jersey
15 Margaret Keane 10 Daughter — New Jersey
16 William Keane 6 Son — New York
17 Alice Keane 2 Daughter — New York
18 Jessie Wyman 66 Head Ot New York
19 Frank Thurston 40 Head Laborer New York
20 Rosanna Thurston 38 Wife Ot New York
21 John Thurston 15 Son S New York
22 Frank Thurston 9 Son — New York
23 Rosanna Thurston 6 Daughter — New York
24 Catherine Thurston 1 Daughter — New York
25 Alice Gatens 60 Head Ot New York
26 Fanny Fleischmann 77 Head Ot New York
27 John Ryan 43 Head Operator New York
28 Hattie Ryan 29 Wife H New York
29 Bernard Ryan 6 Son — New York
30 Anna Mccarthy 34 Head Ot New York
31 Madeline Mccarthy 13 Daughter — New York
32 Thomas Delaney 47 Head Dockworker New York
33 Helen Delaney 45 Wife H New York
34 Helen Delaney 21 Daughter Packer New York
35 Mary Delaney THIS PERSON 20 Daughter Packer New York
36 Frank Delaney 19 Son Laborer New York
37 Edward Delaney 17 Son New Work New York
38 Martin Delaney 15 Son S New York
39 John Delaney 14 Son S New York
40 Cornelius Delaney 12 Son — 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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