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William Hamilton — 1940 US Census Record

Model Tree available

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

Our Model Tree links this William Hamilton across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1913), then head of a 8-person household.

Age 27 b. ~1913 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationNew-York-County, New York
SurnameHamilton
Given NameWilliam
Relationship to HeadSon
SexM
Color / RaceWhite
Age27
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York
1935 Residence (County)New York
Additional Details
OccupationDockhand
IndustrySteamship Co
Class of WorkerPW
Hours Worked40
Income (1939)600
Highest GradeH-2
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationDockhand
Township / WardNew York
Est. Birth Year~1913

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 William Age Birth yr
May Hamilton Daughter — 29 ~1911
Catherine Hamilton Daughter — 20 ~1920
John Hamilton Head — 56 ~1884
John Hamilton Son — 22 ~1918
George Hamilton Son — 25 ~1915
William Hamilton Son — 27 ~1913
Patrick Hamilton Son — 31 ~1909
Catherine Hamilton Spouse — 56 ~1884

Census Appearances

1920
New York, …
Son, age 7
New York, New York · implied b. ~1913 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hamilton
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
New York, …
Son, age 17
New York, New York · implied b. ~1913 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hamilton
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Messenger
Class of Worker W
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Son, age 27
New-York-County, New York · implied b. ~1913 — 8 household members
Surname Hamilton
Given Name William
Relationship to Head Son
Sex M
Color / Race White
Age 27
Marital Status Single
Birthplace New York
1935 Residence (City) New York
1935 Residence (County) New York
Occupation Dockhand
Industry Steamship Co
Class of Worker PW
Hours Worked 40
Income (1939) 600
Highest Grade H-2
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.
Model Tree available
Our Model Tree links William Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hamilton (~0.92 confidence) and father John Hamilton (~0.92 confidence) and mother Catherine Hamilton (~0.92 confidence) and father John Hamilton (~0.92 confidence) and mother Catherine Hamilton (~0.92 confidence) and mother Mary Hamilton (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
John Hamilton
b. ~1881
Source father
● Household · direct · ~0.92
Father
John Hamilton
b. ~1884
Source father
● Household · direct · ~0.92
Mother
Catherine Hamilton
b. ~1884
Source mother
● Household · direct · ~0.92
Father
John Hamilton
b. ~1887
Source father
● Household · direct · ~0.92
Mother
Catherine Hamilton
b. ~1888
Source mother
● Household · direct · ~0.92
Mother
Mary Hamilton
b. ~1892
Source mother
● Household · direct · ~0.92
This person
Anchor record
William Hamilton
Son · 1940 · age 27 · b. ~1913 · New York
★ You are viewing this record
Sibling
John Hamilton
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Hamilton
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Hamilton
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hamilton
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Hamilton
Sibling · 1940 · age 29
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-t0627-02642-00444)

Line Name Age Relation Occupation Birthplace
1 William Foran 47 Head Conductor Irish Free State
2 Bridget Foran 46 Wife — Irish Free State
3 Catherine Foran 22 Daughter Saleslady New York
4 Angellina Foran 21 Daughter Saleslady New York
5 Margaret Foran 20 Daughter Saleslady New York
6 William Foran 15 Son — New York
7 Eugene Foran 14 Son — New York
8 George Foran 13 Son — New York
9 James Foran 10 Son — New York
10 Christopher Foran 8 Son — New York
11 Mary Hansen 75 Head — Irish Free State
12 Hegas, Jens Hansen 52 Lodger Maid Germany
13 Jay, Pina Hansen 24 Lodger Maid Germany
14 Edward Mcnamara 44 Head Truckman New York
15 Helen Mcnamara 44 Wife — Irish Free State
16 Edward Mcnamara 19 Son — New York
17 James Mcnamara 16 Son — New York
18 Raymond Mcnamara 13 Son — New York
19 Samuel Bushman 52 Head Upholsterer Poland
20 Minnie Bushman 45 Wife — Austria
21 Morris Bushman 21 Son New Worker New York
22 Jack Bushman 17 Son — New York
23 Michael Ryan 50 Head Handy Man Irish Free State
24 Mary Ryan 49 Wife — Irish Free State
25 John Kennedy 50 Head Fireman Irish Free State
26 Mary Kennedy 50 Wife — Irish Free State
27 Dorothy Kennedy 18 Daughter — New York
28 John Kennedy 16 Son — New York
29 Richard Kennedy 14 Son — New York
30 Anne Kennedy 12 Daughter — New York
31 Jean Kennedy 10 Daughter — New York
32 John Hamilton 56 Head Dockhand New York
33 Catherine Hamilton 56 Wife — New York
34 Patrick Hamilton 31 Son Dockhand New York
35 May Hamilton 29 Daughter — New York
36 William Hamilton THIS PERSON 27 Son Dockhand New York
37 George Hamilton 25 Son Dockhand New York
38 John Hamilton 22 Son Dockhand New York
39 Catherine Hamilton 20 Daughter — New York
40 Martin Burns 56 Head Letter Carrier Irish Free State

Related Census Records

Search for William Hamilton

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Pedigree Summary

William + 5 siblings
Gen 1 · 6 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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