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Helen Mcdonald — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Helen Mcdonald across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1931), then head of a 9-person household.

Age 9 b. ~1931 Female Daughter Born: NEW YORK Single

1940 Census Record Details

Census Year1940
LocationKings-County, New York
SurnameMCDONALD
Given NameHELEN
Relationship to HeadDAUGHTER
SexF
Color / RaceWhite
Age9
Marital StatusSingle
BirthplaceNEW YORK
1935 Residence (City)NEW YORK CITY
1935 Residence (County)KINGS
Additional Details
Highest GradeNo 3
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York City
Est. Birth Year~1931

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 1940 census.

Name Relation to head Relative to Helen Age Birth yr
Harry Mcdonald Head — 43 ~1897
Helen Mcdonald Spouse — 40 ~1900
Rose Mcdonald Daughter — 11 ~1929
Robert Mcdonald Son — 16 ~1924
Lenox Mcdonald Son — 13 ~1927
Harold Mcdonald Son — 20 ~1920
Helen Mcdonald Daughter — 9 ~1931
Arthur Mcdonald Son — 15 ~1925
Eleanor Mcdonald Daughter — 19 ~1921

Census Appearances

1930
Kings, New …
Daughter, age
Kings, New York · implied b. ~1930 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mc Donald
Given Name Helen
Relationship to Head daughter
Sex F
Color / Race White
Age 0
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Kings-County, New …
Daughter, age 9
Kings-County, New York · implied b. ~1931 — 9 household members
Surname MCDONALD
Given Name HELEN
Relationship to Head DAUGHTER
Sex F
Color / Race White
Age 9
Marital Status Single
Birthplace NEW YORK
1935 Residence (City) NEW YORK CITY
1935 Residence (County) KINGS
Highest Grade No 3
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 Helen Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Mcdonald
Daughter · 1940 · age 9 · b. ~1931 · New York
★ You are viewing this record
Sibling
Harold Mcdonald
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mcdonald
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mcdonald
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Mcdonald
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenox Mcdonald
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcdonald
Sibling · 1940 · age 16
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 — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02558-00596)

Line Name Age Relation Occupation Birthplace
1 George Littman 41 HEAD Maintenance Engineer FRANCE
2 Olga Littman 42 WIFE — AUSTRIA
3 Harry Mcdonald 43 HEAD Police Officer NEW YORK
4 Helen Mcdonald 40 WIFE — NEW YORK
5 Harold Mcdonald 20 SON Riveter NEW YORK
6 Eleanor Mcdonald 19 DAUGHTER — NEW YORK
7 Robert Mcdonald 16 SON — NEW YORK
8 Arthur Mcdonald 15 SON — NEW YORK
9 Lenox Mcdonald 13 SON — NEW YORK
10 Rose Mcdonald 11 DAUGHTER — NEW YORK
11 Helen Mcdonald THIS PERSON 9 DAUGHTER — NEW YORK
12 Arthur H. Blush 42 HEAD Letter Carrier NEW YORK
13 Teresa Blush 37 WIFE — NEW YORK
14 Arthur Blush 16 SON — NEW YORK
15 Virginia Blush 11 DAUGHTER — NEW YORK
16 August Klein 44 HEAD Baker NEW YORK
17 Marie Klein 43 WIFE — AUSTRIA
18 August Jr. Klein 22 SON Assembler NEW YORK
19 George Klein 20 SON Machinist NEW YORK
20 Martin Colbert 65 HEAD — NEW YORK
21 Martin Colbert 25 SON Runner NEW YORK
22 Harry J. Mann 60 HEAD Teller NEW YORK
23 Nellie G. Mann 66 WIFE — NEW YORK
24 Henry Wantel 73 HEAD — NEW YORK
25 Ellan Wantel 67 WIFE — SCOTLAND
26 John Winters 30 HEAD Laundry NEW YORK
27 Frances Winters 26 WIFE — NEW YORK
28 Edna Winters 2 DAUGHTER — NEW YORK
29 Ross Karnbach 63 HEAD Superintendent NEW YORK
30 Minnie Karnbach 58 WIFE — NEW YORK
31 Albert Karnbach 27 SON Deck Hand NEW YORK
32 Sussanna Karnbach 25 DAUGHTER Salesgirl NEW YORK
33 Minnie Karnbach 18 DAUGHTER — NEW YORK
34 Eva Karnbach 16 DAUGHTER — NEW YORK
35 Evelyn Karnbach 16 DAUGHTER — NEW YORK
36 James Karnbach 12 SON — NEW YORK
37 Frederick Schultz 51 HEAD Estimator NEW JERSEY
38 Marie Schultz 45 WIFE — PENN.
39 Helen Colley 35 HEAD — NEW YORK
40 Oliver Colley 10 SON — 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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