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James Costello — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this James Costello across the 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.

Age 22 b. ~1918 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationBronx-County, New York
SurnameCostello
Given NameJames
Relationship to HeadSon
SexM
Color / RaceWhite
Age22
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York City
1935 Residence (County)Bronx
Additional Details
OccupationPaint Sprayer
IndustryMoving Pictures
Class of WorkerPW
Hours Worked40
Income (1939)1200
Highest GradeNo 4
1935 ResidenceSame House
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationPaint Sprayer
Township / WardNew York City
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.

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

Name Relation to head Relative to James Age Birth yr
John Costello Son — 26 ~1914
George Costello Son — 31 ~1909
Irene Costello Daughter — 17 ~1923
Bernard Costello Son — 15 ~1925
Margaret Costello Daughter — 19 ~1921
Mary Costello Daughter — 25 ~1915
James Costello Son — 22 ~1918
Irene Costello Head — 48 ~1892

Census Appearances

1930
Kings, New …
Son, age 11
Kings, New York · implied b. ~1919 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Costello
Given Name James
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace New York
Father's Birthplace Ireland (Free State)
Mother's Birthplace Ireland (Free State)
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Bronx-County, New …
Son, age 22
Bronx-County, New York · implied b. ~1918 — 8 household members
Surname Costello
Given Name James
Relationship to Head Son
Sex M
Color / Race White
Age 22
Marital Status Single
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) Bronx
Occupation Paint Sprayer
Industry Moving Pictures
Class of Worker PW
Hours Worked 40
Income (1939) 1200
Highest Grade No 4
1935 Residence Same House
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 James Costello across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Costello
Son · 1940 · age 22 · b. ~1918 · New York
★ You are viewing this record
Sibling
John Costello
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Costello
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Costello
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Costello
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Costello
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Costello
Sibling · 1940 · age 25
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 — Bronx-County, New York Open full size

Page Contents

31 people indexed on this census page (nara:1940:m-t0627-02486-00652)

Line Name Age Relation Occupation Birthplace
41 Charles Fein 48 Head Auto Record New York
42 Margaret Fein 43 Wife — Irish Free St
43 Charles Fein 17 Son — New York
44 Edward Fein 13 Son — New York
45 Margaret Fein 12 Daughter — New York
46 John Fein 9 Son — New York
47 Alexander Wilson 45 Head Marble Polisher Scotland
48 Elsie Wilson 40 Wife — England
49 Alexander Wilson 10 Son — New York
50 Ada Fell 77 Mother-in-law — England
51 James Drummond 38 Roomer Auto Machinist Scotland
52 Frank Noel 37 Head Paint Sprayer New York
53 Helen Noel 36 Wife — New York
54 Miriam Noel 13 Daughter — New York
55 Irene Costello 48 Head — New York
56 George Costello 31 Son Paint Sprayer New York
57 John Costello 26 Son Laborer New York
58 Mary Costello 25 Daughter Checker New York
59 James Costello THIS PERSON 22 Son Paint Sprayer New York
60 Margaret Costello 19 Daughter Trimmer New York
61 Irene Costello 17 Daughter — New York
62 Bernard Costello 15 Son — New York
65 Edith Downes 55 Head — Kansas
66 Charles St. John 68 Head — New York
67 George Brown 54 Roomer Presser Helper New York
68 Charles Bankowsky 63 Roomer Porter New York
69 Timothy Callahan 49 Head Bartender New York
70 Sussie Callahan 44 Wife — New York
71 Paul Bont 54 Roomer — Switzerland
74 William Nelson 52 Head Peddler Greece
75 Anna Nelson 39 Wife — Germany

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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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