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William Cox — 1940 US Census Record

Model Tree available

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

Our Model Tree links this William Cox across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents Olive & Ethel — first a son (b.~1919), then head of a 3-person household.

Age 21 b. ~1919 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationBronx-County, New York
SurnameCox
Given NameWilliam
Relationship to HeadSon
SexM
Color / RaceWhite
Age21
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York City
1935 Residence (County)Bronx
Additional Details
Occupationnew worker
Class of WorkerPW
Hours Worked26
Income (1939)0
Highest GradeNo 4
1935 ResidenceN.Y.
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationNew Worker
Township / WardNew York City
Est. Birth Year~1919

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.

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

Name Relation to head Relative to William Age Birth yr
Violet Cox Daughter — 23 ~1917
Ethel Cox Head — 49 ~1891
William Cox Son — 21 ~1919

Census Appearances

1920
New York, …
Son, age 1
New York, New York · implied b. ~1919 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cox
Given Name William H.
Relationship to Head Son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Father's Birthplace England
Mother's Birthplace England
Mother Tongue English
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Bronx, New …
Son, age 11
Bronx, New York · implied b. ~1919 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cox
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace New York
Father's Birthplace England
Mother's Birthplace England
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Bronx-County, New …
Son, age 21
Bronx-County, New York · implied b. ~1919 — 3 household members
Surname Cox
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 21
Marital Status Single
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) Bronx
Occupation new worker
Class of Worker PW
Hours Worked 26
Income (1939) 0
Highest Grade No 4
1935 Residence N.Y.
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.
Model Tree available
Our Model Tree links William Cox across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Olive Cox (~0.92 confidence) and mother Ethel Cox (~0.92 confidence) and father Albert Cox (~0.92 confidence) and mother Ethel Cox (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Mother
Olive Cox
b. ~1890
Source mother
● Household · direct · ~0.92
Mother
Ethel Cox
b. ~1891
Source mother
● Household · direct · ~0.92
Father
Albert Cox
b. ~1892
Source father
● Household · direct · ~0.92
Mother
Ethel Cox
b. ~1900
Source mother
● Household · direct · ~0.92
This person
Anchor record
William Cox
Son · 1940 · age 21 · b. ~1919 · New York
★ You are viewing this record
Sibling
Violet Cox
Sibling · 1940 · age 23
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

40 people indexed on this census page (nara:1940:m-t0627-02460-00427)

Line Name Age Relation Occupation Birthplace
41 Barbara Heldheimer 25 Head — Germany
42 Matthew Geelen 65 Lodger Psychologist Germany
43 Frank Freiberg 44 Head Supervisor New York
44 Matilda Freiberg 36 Wife — New York
45 Wolfgang Wittmann 36 Head Salesman Germany
46 Anna Wittmann 32 Wife Baker Germany
47 William Uppold 35 Head Maid Germany
48 Katie Uppold 32 Wife Baker Germany
49 William Jr. Uppold 8 Son — New York
50 Edward Butler 39 Head Maintenance Eire
51 Anne Butler 30 Wife Maid Eire
52 Justine Vlasak 44 Head Cook Czechoslovakia
53 Otto Plath 51 Head Car Washer Germany
54 Rose Plath 44 Wife — New York
55 William Plath 22 Son Pressman New York
56 Muriel Plath 19 Daughter Stock Clerk New York
57 Ethel Cox 49 Head Cleaner England
58 Violet Cox 23 Daughter Nurse'S Aid New York
59 William Cox THIS PERSON 21 Son New Worker New York
60 Philip Pfeiffer 57 Head Waiter Germany
61 Lisette Pfeiffer 51 Wife Housekeeper Germany
62 Edward Mccabe 26 Head Record Clerk New York
63 Ellen Mccabe 61 Mother — Eire
64 Lawrence Pushkofer 33 Head Painter New York
65 Mary Pushkofer 33 Wife — New York
66 Ronald Pushkofer 13 Son — New York
67 Lawrence Pushkofer 11 Son — New York
68 Howard Williams 19 Nephew Coppersmith Helper New York
69 Francis Fitzpatrick 38 Head Laborer New York
70 Loretta Fitzpatrick 29 Wife — New York
71 Theresa Fitzpatrick 11 Daughter — New York
72 Anthony Celentano 24 Head Laborer New York
73 Gladys Celentano 18 Wife — New York
74 Virginia Celentano 2 Daughter — New York
75 Annabelle Clayton 49 Head Waitress New York
76 Anthony Prato 42 Head Truck Driver New York
77 Helen Prato 39 Wife — New York
78 Lucille Prato 20 Daughter Stock Clerk New York
79 Edward Prato 18 Son — New York
80 Bertha Hattorf 37 Head Shirt Operator New York

Search for William Cox

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Pedigree Summary

William + 1 sibling
Gen 1 · 4 parents ~0.92
Max depth 4 (1900–1950 window)

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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