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Mary Hamilton — 1930 US Census Record

Model Tree available

1930 United States Federal Census · New York, New York

Our Model Tree links this Mary Hamilton across the 1910, 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1909), then head of a 8-person household.

Age 21 b. ~1909 Female Daughter Born: New York Single

1930 Census Record Details

Census Year1930
LocationNew York, New York
SurnameHamilton
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age21
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
OccupationLaborer
IndustryBakery
Class of WorkerW
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationLaborer
Township / WardNew York
Est. Birth Year~1909

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 1930 census.

Name Relation to head Relative to Mary Age Birth yr
Mary Hamilton Daughter — 21 ~1909
Catherine Hamilton Daughter — 9 ~1921
John Hamilton Head — 49 ~1881
John Hamilton Son — 15 ~1915
William Hamilton Son — 17 ~1913
Patrick Hamilton Son — 19 ~1911
George Hamilton Son — 13 ~1917
Catherine Hamilton Spouse — 42 ~1888

Census Appearances

1910
New York, …
Daughter, age 1
New York, New York · implied b. ~1909 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hamilton
Given Name Marie
Relationship to Head Daughter
Sex F
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
New York, …
Daughter, age 11
New York, New York · implied b. ~1909 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hamilton
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
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, …
Daughter, age 21
New York, New York · implied b. ~1909 — 8 household members
Surname Hamilton
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 21
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation Laborer
Industry Bakery
Class of Worker W
Can Read/Write Yes
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 Mary Hamilton across 3 US Census years (1910, 1920 and 1930) in New York, New York, using XGBoost record linkage. Identified parents: father John Hamilton (~0.92 confidence) and father John Hamilton (~0.92 confidence) and father Jas Hamilton (~0.92 confidence) and mother Anna Hamilton (~0.92 confidence) and mother Grace Hamilton (~0.92 confidence) and mother Catherine 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
Father
Jas Hamilton
b. ~1886
Source father
● Household · direct · ~0.92
Mother
Anna Hamilton
b. ~1886
Source mother
● Household · direct · ~0.92
Mother
Grace Hamilton
b. ~1888
Source mother
● Household · direct · ~0.92
Mother
Catherine Hamilton
b. ~1888
Source mother
● Household · direct · ~0.92
This person
Anchor record
Mary Hamilton
Daughter · 1930 · age 21 · b. ~1909 · New York
★ You are viewing this record
Sibling
Catherine Hamilton
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hamilton
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hamilton
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hamilton
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Hamilton
Sibling · 1930 · age 19
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

1930 US Federal Census — New York, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1548:0303)

Line Name Age Relation Occupation Birthplace
1 William Mcandrew 52 Head Asst. Co. Manager Ireland
2 Mary Mcandrew 44 Wife — Ireland
3 James Mcandrew 22 Son Office Work New York
4 Mary Mcandrew 18 Daughter Office Work New York
5 Joseph Mcandrew 11 Son — New York
6 William Jr Mcandrew 9 Son — New York
7 Thomas Mcandrew 7 Son — New York
8 James Briody 40 Brother in law — Ireland
9 Thomas King 59 Head Foreman Ireland
10 Bridget King 52 Wife — Ireland
11 Thomas King 23 Son Clerk New York
12 Marguerite King 18 Daughter Telephone Operator New York
13 Anna King 16 Daughter Machine Operator New York
14 William King 14 Son — New York
15 Helen King 11 Daughter — New York
16 Bella Murray 52 Head Net Dresser New York
17 Nora Murray 38 Sister — New York
18 John Hamilton 49 Head Yardmaster New York
19 Catherine Hamilton 42 Wife — New York
20 Mary Hamilton THIS PERSON 21 Daughter Laborer New York
21 Patrick Hamilton 19 Son Laborer New York
22 William Hamilton 17 Son Messenger New York
23 John Hamilton 15 Son — New York
24 George Hamilton 13 Son — New York
25 Catherine Hamilton 9 Daughter — New York
26 Charles Sr Dunn 44 Head Loading New York
27 Margaret Dunn 36 Wife — New York
28 Catherine Dunn 14 Daughter — New York
29 Elizabeth Dunn 12 Daughter — New York
30 Ruth Dunn 10 Daughter — New York
31 Dorothy Dunn 7 Daughter — New York
32 Charles Jr Dunn 6 Son — New York
33 James Dunn 3 Son — New York
34 Mary Dunn 1 Daughter — New York
35 Timothy Conway 56 Head Longshoreman Ireland
36 Annie Conway 43 Wife — Ireland
37 Mary Conway 12 Daughter — New York
38 Timothy Conway 11 Son — New York
39 Patrick Conway 9 Son — New York
40 Anna Conway 6 Daughter — New York
41 Theresa Conway 4 Daughter — New York
42 Joseph Conway 2 Son — New York
43 Mary Myron 43 Head Housework Ireland
44 Mary Myron 20 Daughter — New York
45 Sarah Myron 14 Daughter — New York
46 Edward Myron 12 Son — New York
47 William Myron 9 Son — New York
48 Florence Myron 8 Daughter — New York
49 Robert Myron 5 Son — New York
50 James Myron 3 Son — New York

Search for Mary Hamilton

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Pedigree Summary

Mary + 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 1930 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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