Mary Wallace — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Wallace across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 5-person household.

Age 67 b. ~1873 Female Head Born: New York Widowed

1940 Census Record Details

Census Year	1940
Location	Bronx-County, New York
Surname	Wallace
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	67
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Bronx
Additional Details
Industry	0
Highest Grade	8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	New York City
Est. Birth Year	~1873

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Marion Wallace	Daughter	—	22	~1918
Mary Wallace	Head	—	67	~1873
William Wallace	Son	—	35	~1905
Walter Wallace	Son	—	32	~1908
Joseph Wallace	Son	—	28	~1912

Census Appearances

1920

Bronx, New …

Spouse, age 44

Bronx, New York · implied b. ~1876 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Wallace
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Bronx, New …

Spouse, age 56

Bronx, New York · implied b. ~1874 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Wallace
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	56
Marital Status	Married
Birthplace	New York
Age at First Marriage	21
Father's Birthplace	New York State
Mother's Birthplace	New York State
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Bronx-County, New …

Head, age 67

Bronx-County, New York · implied b. ~1873 — 5 household members

Surname	Wallace
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	67
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Bronx
Industry	0
Highest Grade	8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Mary Wallace 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 Wallace

Head · 1940 · age 67 · b. ~1873 · 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 — Bronx-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02488-00516)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mary Mullen	28	Wife	—	New York
42	Michael Mullen	5	Son	—	New York
43	John Paul Mullen	1	Son	—	New York
44	Charles Dinkes	25	Head	Seaman	New York
45	Ada Dinkes	25	Wife	—	New York
46	John Fahey	45	Head	Motorman	W. Ireland
47	Margaret Fahey	45	Wife	—	W. Ireland
48	Catherine Fahey	18	Daughter	Office Clerk	New York
49	Arthur Hartney	36	Head	Bartender	New York
50	Anna Hartney	36	Wife	—	New York
51	Ann Hartney	7	Daughter	—	New York
52	James Hamilton	45	Head	Foot Maintainer	New York
53	Alice Hamilton	45	Wife	—	New York
54	Helen Hamilton	14	Daughter	Foot Secretary	New York
55	James Hamilton	9	Son	—	New York
56	Alicia Casey	67	Mother	Watchman	New York
57	Francis Casey	30	Brother	New York State	New York
58	Margaret Horan	36	Lodger	Hand Ironer	New York
59	Herbert Koening	70	Head	Retired	New York
60	Anna Spies	66	Sister	Text Clerk	New York
61	Raymond Koening	36	Son	Asst.	New York
62	Bernard Haim	48	Head	Manager	New York
63	Ella Haim	48	Wife	—	New York
64	Eileen Haim	17	Daughter	—	New York
65	John Haim	13	Son	—	New York
66	Bernard Haim	11	Son	—	New York
67	Frank Schultz	46	Head	Pressman	New York
68	Julia Schultz	45	Wife	—	New York
69	William Schultz	25	Son	Clerk	New York
70	Anna Schultz	23	Daughter	Stenographer	New York
71	Frank Schultz	21	Son	Clerk	New York
72	Mary Wallace THIS PERSON	67	Head	—	New York
73	William Wallace	35	Son	Builder	New York
74	Walter Wallace	32	Son	Elevator Man	New York
75	Joseph Wallace	28	Son	Foot Guard	New York
76	Marion Wallace	22	Daughter	—	New York
77	Adam Becker	77	Head	Tailor	Germany
78	Kate Becker	65	Wife	—	New York
79	Betty Becker	35	Daughter	Clerical	New York
80	Alfred Becker	33	Son	Clerical	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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