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Margaret Mcguire — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Margaret Mcguire across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.

Age 15 b. ~1925 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationErie-County, New York
SurnameMcGuire
Given NameMargaret
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Buffalo City
1935 Residence (County)Erie
Additional Details
Hours Worked0
Highest GradeH 1
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardBuffalo City
Est. Birth Year~1925

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 Margaret Age Birth yr
Charlotte Mcguire Daughter — 11 ~1929
Gertrude Mcguire Daughter — 17 ~1923
Richard Mcguire Son — 12 ~1928
Francis Mcguire Son — 21 ~1919
James Mcguire Son — 18 ~1922
Ethel Mcguire Spouse — 49 ~1891
Margaret Mcguire Daughter — 15 ~1925
John Mcguire Son — 23 ~1917

Census Appearances

1930
Erie, New …
Daughter, age 5
Erie, New York · implied b. ~1925 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname McGuire
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read/Write No
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Erie-County, New …
Daughter, age 15
Erie-County, New York · implied b. ~1925 — 8 household members
Surname McGuire
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race White
Age 15
Marital Status Single
Birthplace New York
1935 Residence (City) Buffalo City
1935 Residence (County) Erie
Hours Worked 0
Highest Grade H 1
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.
Linked across censuses
Our Model Tree links Margaret Mcguire across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mcguire
Daughter · 1940 · age 15 · b. ~1925 · New York
★ You are viewing this record
Sibling
Francis Mcguire
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcguire
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mcguire
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Mcguire
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Mcguire
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcguire
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 — Erie-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02823-00236)

Line Name Age Relation Occupation Birthplace
41 Ethel (S) Mcguire 49 Wife — New York
42 John Mcguire 23 Son Operator New York
43 Francis Mcguire 21 Son Laborer New York
44 James Mcguire 18 Son — New York
45 Gertrude Mcguire 17 Daughter — New York
46 Margaret Mcguire THIS PERSON 15 Daughter — New York
47 Richard Mcguire 12 Son — New York
48 Charlotte Mcguire 11 Daughter — New York
49 Andrew Brill 48 Head Laborer New York
50 Catherine Brill 32 Wife — New York
51 Joseph Brill 8 Son — New York
52 Mary Brill 2 Daughter — New York
53 George Kirsch 54 Head Bartender France
54 Gertrude Kirsch 49 Wife — New York
55 Mary G. Kirsch 20 Daughter Saleswoman New York
56 James Lawson 35 Head Attendant New York
57 Anne Lawson 34 Wife — New York
58 Thomas Lawson 10 Son — New York
59 Joan Lawson 9 Daughter — New York
60 James Lawson 6 Son — New York
61 Anne E. Lawson 5 Daughter — New York
62 John Lawson 3 Son — New York
63 Dorothy Lawson 0 Daughter — New York
64 Joseph Boulanger 48 Head Tugfireman Canada English
65 Mary Boulanger 48 Wife — New York
66 Elizabeth Boulanger 15 Daughter — New York
67 Joseph Boulanger 14 Son — New York
68 Ursuline Foley 14 Stepdaughter — New York
69 Timothy Mcnamara 47 Brother-in-law City Fireman New York
70 Anthony Jarecki 61 Head Chipper Poland
71 Maryanna Jarecki 51 Wife — Poland
72 Stanley Jarecki 26 Son Laborer New York
73 Anthony Jarecki 16 Son — New York
74 Edward Jarecki 14 Son — New York
75 John Jarecki 12 Son — New York
76 Walter Jarecki 9 Son — New York
77 Vincent Ostrowski 20 Son-in-law Presser New York
78 Helen Ostrowski 21 Daughter — New York
79 Joseph Mackay 36 Head Sealer New York
80 Mary Mackay 29 Wife — New York

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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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