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Mary Blake — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Blake across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.

Age 16 b. ~1924 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationKings-County, New York
SurnameBlake
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age16
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York City, Brooklyn Borough
1935 Residence (County)Kings
Additional Details
Highest GradeHs 4
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York City Brooklyn Borough
Est. Birth Year~1924

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 Mary Age Birth yr
Gertrude Blake Daughter — 11 ~1929
Joseph Blake Son — 15 ~1925
John Blake Son — 5 ~1935
Mary Blake Daughter — 16 ~1924
Francis Blake Son — 14 ~1926
Michael Blake Head — 53 ~1887
Frances Blake Spouse — 45 ~1895
Annette Blake Daughter — 9 ~1931

Census Appearances

1930
Kings, New …
Daughter, age 5
Kings, New York · implied b. ~1925 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Black
Given Name Mary
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 Scotland
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Kings-County, New …
Daughter, age 16
Kings-County, New York · implied b. ~1924 — 8 household members
Surname Blake
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 16
Marital Status Single
Birthplace New York
1935 Residence (City) New York City, Brooklyn Borough
1935 Residence (County) Kings
Highest Grade Hs 4
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 Mary Blake across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blake
Daughter · 1940 · age 16 · b. ~1924 · New York
★ You are viewing this record
Sibling
John Blake
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Blake
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Blake
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annette Blake
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Blake
Sibling · 1940 · age 11
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-t0627-02616-00135)

Line Name Age Relation Occupation Birthplace
41 Edward F. Schneider 63 Head Fire Dept N.Y. City Connecticut
42 Mary Anne Schneider 57 Wife — Northern Ireland
43 Henry Dewhurst 45 Head Accountant England
44 Jean Dewhurst 46 Wife Pvt Secretary England
45 Steven Dewhurst 22 Son Clerk England
46 Marion Dewhurst 18 Daughter New Worker New York
47 Grace Dewhurst 14 Daughter — New York
48 Frederick Wall 65 Head Dock Builder England
49 Mary Wall 66 Wife — New York
50 Nicholas Muller 33 Head Delicatessen Germany
51 Martha Muller 23 Wife Delicatessen Germany
52 Michael Blake 53 Head Fireman New York
53 Frances Blake 45 Wife — New Jersey
54 Mary Blake THIS PERSON 16 Daughter — New York
55 Joseph Blake 15 Son — New York
56 Francis Blake 14 Son — New York
57 Gertrude Blake 11 Daughter — New York
58 Annette Blake 9 Daughter — New York
59 John Blake 5 Son — New York
60 John Sheridan 65 Head — Northern Ireland
61 Bridget Sheridan 65 Wife — Northern Ireland
62 Barre Valentine 50 Head Beauty Parlor France
63 George Reynolds 33 Boarder Brick Layer England
64 Agnes Reynolds 25 Boarder Beautician New York
65 Charles Armstrong 69 Boarder Elevator Operator Boston, Mass
66 William Amberman 32 Head Butcher Bklyn NY
67 Mildred Amberman 30 Wife — Bklyn NY
68 Barry Amberman 5 Son — Bklyn NY
69 Lois Amberman 3 Daughter — Bklyn NY
70 Michael Stephens 33 Head Paver For The City Ireland
71 Mary Stephens 33 Wife — Northern Ireland
72 Eileen Stephens 8 Daughter — Bklyn NY
73 Maureen Stephens 7 Daughter — Bklyn NY
74 Anna Danaly 62 Head — Bklyn NY
75 William Danaly 31 Son Bookkeeper Bklyn NY
76 Earnest Danaly 28 Son Office Work Bklyn NY
77 John J. Quinn 52 Head Fireman Dept Parks New York
78 Mollie Quinn 41 Wife — New York
79 Sarah Quinn 5 Daughter — New York
80 Rita Murray 29 Head — Bklyn NY

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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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