Mary Foley — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Foley across the 1920, 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 4-person household.

Age 69 b. ~1871 Female Spouse Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	Westchester-County, New York
Surname	Foley
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Yonkers
1935 Residence (County)	Westchester
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Highest Grade	G 5
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Yonkers
Est. Birth Year	~1871

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Foley	Daughter	—	43	~1897
William Foley	Head	—	69	~1871
John Foley	Son	—	49	~1891
Mary Foley	Spouse	—	69	~1871

Census Appearances

1920

Bronx, New …

Other, age 55

Bronx, New York · implied b. ~1865 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Foley
Given Name	Mary
Relationship to Head	aunt
Sex	F
Color / Race	White
Age	55
Marital Status	Single
Birthplace	Ireland
Naturalization Status	Un
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Housekeeper
Industry	At home
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

Bronx, New …

Other, age 64

Bronx, New York · implied b. ~1866 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Foley
Given Name	Mary
Relationship to Head	Mother
Sex	F
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1885
Age at First Marriage	26
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Westchester-County, New …

Spouse, age 69

Westchester-County, New York · implied b. ~1871 — 4 household members

Surname	Foley
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Yonkers
1935 Residence (County)	Westchester
Naturalization Status	Naturalized
Class of Worker	0
Highest Grade	G 5
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links Mary Foley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Foley

Spouse · 1940 · age 69 · b. ~1871 · New York

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Westchester-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02863-00710)

Line	Name	Age	Relation	Occupation	Birthplace
1	Catherine Hagan	11	daughter	—	New York
2	Robert Kelly	44	head	Electrician	New York
3	Winifred Kelly	44	wife	—	New Jersey
4	Marion Kelly	21	daughter	Assembler	New York
5	Robert Kelly	13	son	—	New York
6	John Kelly	10	son	—	New York
7	Edwin Lynt	36	head	Reeler	New York
8	Nora Lynt	36	wife	—	New York
9	Edwin Lynt	1	son	0	New York
10	Thomas Fleming	59	father-in-law	Cleaner	Ireland
11	John Deagan	48	head	Painter	New York
12	John Deagan	26	son	Musician	New York
13	Thomas Deagan	20	son	Musician	New York
14	Samuel Weldon	42	head	Laborer	New York
15	Elizabeth Weldon	35	wife	—	New York
16	Evelyn Weldon	18	daughter	New Worker	New York
17	James Weldon	13	son	—	New York
18	Arlene Weldon	8	daughter	—	New York
19	Samuel Weldon	6	son	—	New York
20	William Weldon	4	son	0	New York
21	Barbara Ann Weldon	0	daughter	0	New York
22	William Merrigan	38	head	Helper Steam Fitter	New York
23	James Deriso	34	head	Time Keeper	New York
24	Catherine Deriso	31	wife	—	New York
25	Elizabeth Deriso	11	daughter	—	New York
26	James Deriso	9	son	—	New York
27	James Copley	33	lodger	Laborer	New York
28	William Foley	69	head	Elevator Operator	Ireland
29	Mary Foley THIS PERSON	69	wife	—	Ireland
30	John W. Foley	49	son	Clerk	New York
31	Mary Foley	43	daughter	—	New York
32	Charles Sullivan	42	head	Sales Man	New York
33	Elizabeth Sullivan	42	wife	—	New York
34	Thomas Foley	42	head	Fireman	New York
35	Catherine Foley	42	wife	—	New York
36	Helen Foley	13	daughter	—	New York
37	Lorraine Foley	12	daughter	—	New York
38	William Foley	9	son	—	New York
39	Thomas Foley	7	son	—	New York
40	William Monahan	66	head	—	Ireland

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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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