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Mary Mulligan — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Mulligan across the 1930 and 1940 US Censuses in Washington-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 10-person household.

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

1940 Census Record Details

Census Year1940
LocationWashington-County, New York
SurnameMulligan
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age16
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Jackson Town
1935 Residence (County)Washington
Additional Details
Income (1939)0
Highest GradeHs 2
1935 ResidenceSame house
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardJackson Town
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.

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

Name Relation to head Relative to Mary Age Birth yr
Alice Mulligan Daughter — 7 ~1933
Helen Mulligan Daughter — 14 ~1926
Henry Mulligan Son — 9 ~1931
Jean Mulligan Daughter — 5 ~1935
Francis Mulligan Son — 12 ~1928
Margaret Mulligan Daughter — 10 ~1930
Margaret Mulligan Spouse — 46 ~1894
Mary Mulligan Daughter — 16 ~1924
Cecelia Mulligan Daughter — 3 ~1937
Thomas Mulligan Head — 50 ~1890

Census Appearances

1930
Washington, New …
Other, age 6
Washington, New York · implied b. ~1924 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mulligan
Given Name Mary
Relationship to Head Dau
Sex F
Color / Race White
Age 6
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
1940
Washington-County, New …
Daughter, age 16
Washington-County, New York · implied b. ~1924 — 10 household members
Surname Mulligan
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 16
Marital Status Single
Birthplace New York
1935 Residence (City) Jackson Town
1935 Residence (County) Washington
Income (1939) 0
Highest Grade Hs 2
1935 Residence Same house
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 Mulligan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mulligan
Daughter · 1940 · age 16 · b. ~1924 · New York
★ You are viewing this record
Sibling
Margaret Mulligan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Mulligan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mulligan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Mulligan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mulligan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mulligan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Mulligan
Sibling · 1940 · age 3
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 — Washington-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02799-00147)

Line Name Age Relation Occupation Birthplace
1 Josephine Prentiss 15 Lodger — Vermont
2 Veto Scaglione 26 Head Farmer New York
3 Marjorie Scaglione 18 Wife — New York
4 Robert Mcmurray 69 Head — Northern Ireland
5 Peter Mcmurray 33 Son Woodchopper New York
6 Henry Baker 26 Head Farm Laborer New York
7 Cathrine Baker 41 Wife — New Jersey
8 Charles Kelly 33 Head Farm Laborer Vermont
9 Grace Kelly 27 Wife — Vermont
10 Richard Kelly 4 Son — New York
11 Gladys Kelly 2 Daughter — Vermont
12 Hazel Kelly 0 Daughter — New York
13 Clinton De Barron 46 Head Farm Laborer Massachusetts
14 May De Barron 29 Wife — New Hampshire
15 Roger De Barron 10 Son — New York
16 Roland De Barron 7 Son — New York
17 Hazel De Barron 5 Daughter — New York
18 William De Barron 4 Son — New York
19 Arthur De Barron 2 Son — New York
20 William Coulter 65 Head Farmer New York
21 Bertha M. Coulter 60 Wife — New York
22 Robert M. Coulter 33 Son Farm Laborer New York
23 Thomas Mulligan 50 Head Farmer New York
24 Margaret Mulligan 46 Wife — New York
25 Mary Mulligan THIS PERSON 16 Daughter — New York
26 Helen Mulligan 14 Daughter — New York
27 Francis Mulligan 12 Son — New York
28 Margaret Mulligan 10 Daughter — New York
29 Henry Mulligan 9 Son — New York
30 Alice Mulligan 7 Daughter — New York
31 Jean Mulligan 5 Daughter — New York
32 Cecelia Mulligan 3 Daughter — New York
33 William J. Morris 64 Head Farmer New York
34 Nellie Morris 51 Wife — Vermont
35 William Morris 23 Son Laborer New York
36 Edwin Morris 21 Son — New York
37 Arthur Morris 19 Son — New York
38 Harold Morris 17 Son — New York
39 Margaret Morris 16 Daughter — New York
40 Ralph Morris 14 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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