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Mary Mcnamara — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Kings, New York

Our Model Tree links this Mary Mcnamara across the 1910 and 1920 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 9-person household.

Age 11 b. ~1909 Female Daughter Born: New York Single

1920 Census Record Details

Census Year1920
LocationKings, New York
SurnameMcNamara
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
Occupationnone
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardBorough Of Brooklyn
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.

9 people recorded at the same address in the 1920 census.

Name Relation to head Relative to Mary Age Birth yr
Rose Mcnamara Daughter — 10 ~1910
Annetta Mcnamara Daughter — 6 ~1914
Margaret Mcnamara Daughter — 4 ~1916
Irene Mcnamara Daughter — 2 ~1918
Mary Mcnamara Daughter — 11 ~1909
Joseph Mcnamara Head — 51 ~1869
Francis Mcnamara Son — 1 ~1919
Joseph Mcnamara Son — 8 ~1912
Annetta Mcnamara Spouse — 50 ~1870

Census Appearances

1910
Kings, New …
Daughter, age 1
Kings, New York · implied b. ~1909 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname McNamara
Given Name Mary
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
Kings, New …
Daughter, age 11
Kings, New York · implied b. ~1909 — 9 household members
Surname McNamara
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
Occupation none
Can Read Yes
Can Write Yes
Speaks English 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.
Linked across censuses
Our Model Tree links Mary Mcnamara across 2 US Census years (1910 and 1920) in Kings, New York, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcnamara
Daughter · 1920 · age 11 · b. ~1909 · New York
★ You are viewing this record
Sibling
Rose Mcnamara
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcnamara
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Mcnamara
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mcnamara
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcnamara
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annetta Mcnamara
Sibling · 1920 · age 6
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

1920 US Federal Census — Kings, New York Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1169unit:0309)

Line Name Age Relation Occupation Birthplace
1 Maurice Higgins 14 Son — New York
2 Joseph H. Mcnamara 51 Head Superintendent New York
3 Annetta K. Mcnamara 50 Wife None New York
4 Mary Mcnamara THIS PERSON 11 Daughter None New York
5 Rose A. Mcnamara 10 Daughter None New York
6 Joseph H. Jr. Mcnamara 8 Son None New York
7 Annetta Mcnamara 6 Daughter None New York
8 Margaret Mcnamara 4 Daughter None New York
9 Irene Mcnamara 2 Daughter None New York
10 Francis Mcnamara 1 Son None New York
11 Isadore St. Lawrence 42 Head Clerk New York
12 Mary E. St. Lawrence 42 Wife None New York
13 Josephine M. St. Lawrence 11 Daughter None New York
14 Isadore St. Lawrence 10 Son None New York
15 John J. St. Lawrence 14 Son None New York
16 Hannah St. Lawrence 11 Sister-in-law None New York
17 Eleanor St. Lawrence 7 Daughter None New York
18 Francis J. St. Lawrence 5 Son None New York
19 William J. St. Lawrence 3 Son None New York
20 Ruth St. Lawrence 1 Daughter None New York
21 Catherine St. Lawrence 0 Daughter None New York
22 William J. Lundy 42 Head Conductor New York
23 Gertrude Lundy 40 Wife None New York
24 William J. Lundy 15 Son None New York
25 Robert J. Lundy 13 Son None New York
26 Edward Lundy 11 Son None New York
27 Gertrude Lundy 8 Daughter None New York
28 Thomas Walsh 46 Head Clerk Ireland
29 Mary Walsh 45 Wife None Ireland
30 Thomas Walsh 22 Son Clerk New York
31 John Walsh 19 Son Clerk New York
32 Catherine Walsh 10 Daughter None New York
33 James Walsh 11 Son None New York
34 William Walsh 8 Son None New York
35 Edward Walsh 5 Son None New York
36 Joseph Walsh 3 Son None New York
37 Robert Walsh 1 Son None New York
38 Michael F. Walsh 43 Head Fireman New York
39 Margaret Walsh 39 Wife None New York
40 Thomas M. Walsh 19 Son Clerk New York
41 Cecelia M. Walsh 17 Daughter Typist New York
42 John J. Walsh 14 Son Office Boy New York
43 Michael Jr. Walsh 12 Son None New York
44 Richard Walsh 11 Son None New York
45 Margaret Walsh 7 Daughter None New York
46 Francis Walsh 4 Son None New York
47 Virginia Walsh 3 Daughter None New York
48 Julia Fortune 69 Mother-in-law None New York
49 John Liljeblad 39 Head Carpenter Sweden
50 Helen Liljeblad 43 Wife None Norway

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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