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William Sweeney — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this William Sweeney across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.

Age 13 b. ~1927 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationNew-York-County, New York
SurnameSweeney
Given NameWilliam
Relationship to HeadSon
SexM
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York City
1935 Residence (County)New York
Additional Details
Highest Grade8
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York City
Est. Birth Year~1927

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 William Age Birth yr
Mary Sweeney Daughter — 5 ~1935
Catherine Sweeney Daughter — 16 ~1924
Ann Sweeney Daughter — 20 ~1920
John Sweeney Head — 47 ~1893
William Sweeney Son — 13 ~1927
John Sweeney Son — 16 ~1924
George Sweeney Son — 11 ~1929
Charles Sweeney Son — 14 ~1926
Catherine Sweeney Spouse — 47 ~1893

Census Appearances

1930
New York, …
Son, age 4
New York, New York · implied b. ~1926 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Sweeney
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 4
Marital Status Single
Birthplace New York
Father's Birthplace New Jersey
Mother's Birthplace New York
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Son, age 13
New-York-County, New York · implied b. ~1927 — 9 household members
Surname Sweeney
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 13
Marital Status Single
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) New York
Highest Grade 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 William Sweeney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Sweeney
Son · 1940 · age 13 · b. ~1927 · New York
★ You are viewing this record
Sibling
Ann Sweeney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sweeney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sweeney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Sweeney
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Sweeney
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sweeney
Sibling · 1940 · age 5
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-t0627-02658-00609)

Line Name Age Relation Occupation Birthplace
1 Lillian Luchers 15 Daughter — New York
2 Patricia Luchers 11 Daughter — New York
3 Kathleen Luchers 6 Daughter — New York
4 Father Salvatio None M — Pa
5 James Sweeney 52 Head Stock Clerk New York
6 Theresa Sweeney 50 Wife — New York
7 James Sweeney 24 Son Elevator Op New York
8 Eleanor Sweeney 22 Daughter Saleswoman New York
9 Clarence Sweeney 18 Son Clerk New York
10 John Sweeney 47 Head Shipping Clerk Jersey
11 Catherine Sweeney 47 Wife — New York
12 Ann Sweeney 20 Daughter Saleswoman New York
13 John Sweeney 16 Son — New York
14 Catherine Sweeney 16 Daughter — New York
15 Charles Sweeney 14 Son — New York
16 William Sweeney THIS PERSON 13 Son — New York
17 George Sweeney 11 Son — New York
18 Mary Sweeney 5 Daughter — New York
19 Walter Mandel 51 Head Shipping Clerk Germany
20 Emma Mandel 47 Wife — Germany
21 Elsie Dober 60 Head — Germany
22 Louis Stamp 51 Head Elevator Op New York
23 Rose Stamp 49 Wife — New York
24 Louis Stamp 18 Son — New York
25 Henry Stamp 10 Son — New York
26 Otto Fischer 49 Head Bartender Germany
27 Clara Fischer 48 Wife Bartender Germany
28 Johanna Fischer 8 Daughter — Germany
29 Elizabeth Schmid 65 Head — Germany
30 Freda Blum 60 Lodger — Germany
31 Charles Hernandez 35 Head Electrician New York
32 Rose Hernandez 25 Wife — Penn
33 Leonor Hernandez 4 Daughter — New York
34 Nora Reardon 70 Head — Eire
35 Dan Reardon 44 Son Night Watchman New York
36 Lillian Kropacek 32 Head Social Worker New York
37 Mary Kropacek 68 Mother — New York
38 Edith Kropacek 29 Sister Telephone Op New York
39 Andrea Panteliano 13 Niece — New York
40 Gene Seaforo 32 Lodger Messenger Italy

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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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