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John Mcnamara — 1930 US Census Record

Model Tree available

1930 United States Federal Census · New York, New York

Our Model Tree links this John Mcnamara across the 1910, 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed), with identified parents Mary & Jerry — first a son (b.~1899), then head of a 9-person household.

Age 31 b. ~1899 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationNew York, New York
SurnameMcNamara
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age31
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceIreland
Mother's BirthplaceIreland
Additional Details
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York City
Est. Birth Year~1899

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 1930 census.

Name Relation to head Relative to John Age Birth yr
Margaret Mcnamara Daughter — 21 ~1909
Margaret Mcnamara Daughter — 33 ~1897
Geraldine Mcnamara Daughter — 17 ~1913
Agnes Mcnamara Daughter — 21 ~1909
Thomas Mcnamara Head — 57 ~1873
Thomas Mcnamara Son — 23 ~1907
John Mcnamara Son — 31 ~1899
Frank Mcnamara Son — 18 ~1912
Mary Mcnamara Spouse — 53 ~1877

Census Appearances

1910
New York, …
Son, age 11
New York, New York · implied b. ~1899 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname McNamara
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read Yes
Can Write Yes
Speaks English English
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
New York, …
Son, age 21
New York, New York · implied b. ~1899 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname McNamara
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 21
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation Clerk
Industry Post Office
Class of Worker W
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 31
New York, New York · implied b. ~1899 — 9 household members
Surname McNamara
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 31
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
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 John Mcnamara across 3 US Census years (1910, 1920 and 1930) in New York, New York, using XGBoost record linkage. Identified parents: mother Mary Mcnamara (~0.92 confidence) and father Jerry Mcnamara (~0.92 confidence) and father Thomas Mcnamara (~0.92 confidence) and mother Mary Mcnamara (~0.92 confidence) and mother Mary Mcnamara (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Mother
Mary Mcnamara
b. ~1870
Source mother
● Household · direct · ~0.92
Father
Jerry Mcnamara
b. ~1873
Source father
● Household · direct · ~0.92
Father
Thomas Mcnamara
b. ~1873
Source father
● Household · direct · ~0.92
Mother
Mary Mcnamara
b. ~1877
Source mother
● Household · direct · ~0.92
Mother
Mary Mcnamara
b. ~1878
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Mcnamara
Son · 1930 · age 31 · b. ~1899 · New York
★ You are viewing this record
Sibling
Frank Mcnamara
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcnamara
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcnamara
Sibling · 1930 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Mcnamara
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Mcnamara
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcnamara
Sibling · 1930 · age 21
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:newyorkcensus00reel1579:0976)

Line Name Age Relation Occupation Birthplace
1 Ruth Mayer 23 Daughter Typist New York
2 Alice Mayer 17 Boarder — New York
3 Bernard Ziman 62 Head — Austria
4 Minnie Ziman 58 Wife — Austria
5 David Ziman 35 Son Salesman New York
6 Linda Ziman 21 Daughter Secretary New York
7 Charles Ziman 17 Son Sales Clerk New York
8 Solomon Ziman 32 Son Salesman New York
9 Elizabeth Lowery 52 Head Custom Tailoress New York State
10 Elizabeth Lowery 32 Daughter — New York State
11 Robert Lowery 21 Son — New York State
12 Richard Lowery 19 Son — New York State
13 Edward Lowery 17 Son — New York State
14 John Lowery 15 Son — New York State
15 Andrew Stram 45 Head Bricklayer Poland
16 Mary Stram 43 Wife — Poland
17 Helen Stram 18 Daughter Bookkeeper Poland
18 Elizabeth Stram 15 Daughter — Poland
19 Andrew Stram 12 Son — Poland
20 Sophie Stram 10 Daughter — Poland
21 John Kane 35 Head Clerk New York
22 Agnes Kane 32 Wife — New York
23 John Kane 10 Son — New York
24 James Kane 8 Son — New York
25 Mary Kane 24 Boarder — New York
26 Freda Strauss 47 Head — Russia
27 Rose Strauss 27 Daughter — Russia
28 Jacob Strauss 22 Son Accountant Russia
29 Seymour Strauss 16 Son — Russia
30 Lillian Strauss 14 Daughter — Russia
31 Samuel Snyder 40 Head Shoe Store Russia
32 Sarah Snyder 38 Wife — Russia
33 Harold Snyder 13 Son — New York
34 Beatrice Snyder 10 Daughter — New York
35 John Besterman 42 Head Salesman Germany
36 Marion Besterman 37 Wife — New York
37 Thomas Mcnamara 57 Head Manager Ireland
38 Mary Mcnamara 53 Wife — Ireland
39 Margaret Mcnamara 33 Daughter — New York
40 John Mcnamara THIS PERSON 31 Son — New York
41 Thomas Mcnamara 23 Son — New York
42 Agnes Mcnamara 21 Daughter — New York
43 Margaret Mcnamara 21 Daughter — New York
44 Frank Mcnamara 18 Son — New York
45 Geraldine Mcnamara 17 Daughter — New York
46 Joseph Butsera 46 Head Dept Store Austria
47 Mary Butsera 43 Wife — Austria
48 Mary Butsera 14 Daughter — New York
49 Albert Pee 63 Head Broker New Jersey
50 Mary Pee 63 Wife — New York

Search for John Mcnamara

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Pedigree Summary

John + 6 siblings
Gen 1 · 5 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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