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Mary Clifford — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Clifford across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.

Age 17 b. ~1923 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationKings-County, New York
SurnameClifford
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York City
1935 Residence (County)Kings
Additional Details
Highest GradeH 2
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York City
Est. Birth Year~1923

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.

6 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Mary Clifford Spouse — 30 ~1910
Christopher Clifford Son — 14 ~1926
Helen Clifford Daughter — 12 ~1928
William Clifford Son — 9 ~1931
Christopher Clifford Head — 41 ~1899
Mary Clifford Daughter — 17 ~1923

Census Appearances

1930
Kings, New …
Daughter, age 7
Kings, New York · implied b. ~1923 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Clifford
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Can Read/Write Yes
Mother Tongue English
Home Owned/Rented No
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Kings-County, New …
Daughter, age 17
Kings-County, New York · implied b. ~1923 — 6 household members
Surname Clifford
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 17
Marital Status Single
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) Kings
Highest Grade H 2
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 Clifford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Daughter · 1940 · age 17 · b. ~1923 · New York
★ You are viewing this record
Sibling
Christopher Clifford
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Clifford
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clifford
Sibling · 1940 · age 9
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-t0627-02581-00897)

Line Name Age Relation Occupation Birthplace
1 Alfred Strebel 47 Head Watchman New York
2 Catherine Strebel 45 Wife — Eire
3 Maurice O'Connor 27 Head Secretary New York
4 Eleanor O'Connor 25 Sister Typist New York
5 Edmund O'Connor 24 Brother Clerk New York
6 Lillian O'Connor 17 Sister — New York
7 Mary F. Atkinson 71 Head — New York
8 Walter A. Whalen 55 Brother Chauffeur New York
9 Frank Grace 63 Head Clerk New York
10 Catherine Grace 60 Wife — New York
11 Anna Grace 33 Daughter Stenographer New York
12 Fanny Cottone 56 Head — Italy
13 Daniel Cottone 16 Son — New York
14 Santo Cottone 32 Son Pharmacist New York
15 Joseph Rivotta 32 Head Chauffeur New York
16 Martha Rivotta 29 Wife — Poland
17 Martha Rivotta 5 Daughter — New York
18 Janet Rivotta 5 Daughter — New York
19 Christopher Clifford 41 Head Dockmaster New York
20 Mary Clifford 30 Wife Cleaner New York
21 Mary Clifford THIS PERSON 17 Daughter — New York
22 Christopher Clifford 14 Son — New York
23 Helen Clifford 12 Daughter — New York
24 William Clifford 9 Son — New York
25 William Ditchel 53 Head — New York
26 Anna Ditchel 50 Wife Telephone Op. New York
27 Richard Maher 45 Head — New York
28 Veronica Maher 34 Wife Teacher New York
29 Donald Maher 6 Son — New York
30 Bridget O'Day 60 Head — New York
31 Anna O'Day 29 Daughter Clerk New York
32 Theresa O'Day 27 Daughter Clerk New York
33 Marie O'Day 26 Daughter Stenographer New York
34 Loyola O'Day 24 Daughter — New York
35 Ronald Beadle 27 Head Stockman New Foundland
36 Marie Beadle 26 Wife — New York
37 Elizabeth Beadle 7 Daughter — New York
38 Joan Beadle 5 Daughter — New York
39 Ronald Beadle 2 Son — New York
40 Stephen Heppner 32 Head Printer 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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