Mary Hammond — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Hammond across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 5-person household.

Age 73 b. ~1867 Female Head Born: New York Widowed

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Hammond
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	73
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	Brooklyn
1935 Residence (County)	Kings
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Brooklyn
Est. Birth Year	~1867

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
Gene Hammond	Daughter	—	29	~1911
Ethel Hammond	Daughter	—	39	~1901
Gwendolyn Hammond	Daughter	—	30	~1910
Rosetta Hammond	Daughter	—	49	~1891
Mary Hammond	Head	—	73	~1867

Census Appearances

1920

Kings, New …

Spouse, age 54

Kings, New York · implied b. ~1866 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hammond
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Kings, New …

Other, age 65

Kings, New York · implied b. ~1865 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hammond
Given Name	Mary
Relationship to Head	Lodger
Sex	F
Color / Race	White
Age	65
Marital Status	Widowed
Birthplace	New York
Age at First Marriage	16
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Head, age 73

Kings-County, New York · implied b. ~1867 — 5 household members

Surname	Hammond
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	73
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	Brooklyn
1935 Residence (County)	Kings
Income (1939)	0
Highest Grade	No 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 Hammond 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 Hammond

Head · 1940 · age 73 · b. ~1867 · 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 — Kings-County, New York Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02617-00467)

Line	Name	Age	Relation	Occupation	Birthplace
41	Frank Cacace	50	Head	Tailor	Italy
42	Salvatore Destafano	46	Head	Tailor	Italy
43	Anna Destafano	43	Wife	House Wife	New York
44	Carl Destafano	14	Son	School Boy	New York
45	Leo Zinna	56	Head	Cement Worker	Italy
46	Anna Zinna	50	Wife	House Wife	Italy
47	Michael Zinna	14	Son	—	New York
48	Charles Zinna	14	Son	—	New York
49	Frank Cargiulo	38	Boarder	Taxi Driver	Italy
50	Julia Cargiulo	32	Daughter	House Wife	New York
51	Joseph Cargiulo	8	Son	—	New York
52	Leo Davado	40	Head	—	New York
53	Mary Davado	35	Wife	—	New York
54	Mary Hammond THIS PERSON	73	Head	—	New York
55	Rosetta Hammond	49	Daughter	Clerk	New York
56	Ethel Hammond	39	Daughter	Telephone Operator	New York
57	Gwendolyn Hammond	30	Daughter	Clerk	New York
58	Gene Hammond	29	Daughter	House Wife	New York
59	Thomas Worthley	60	Head	Repair Man	New York
60	Letitia Worthley	52	Wife	House Wife	New York
61	George Douglass	27	Son-in-law	Under-Writer	New York
62	Martha Douglass	26	Daughter	—	New York
63	Patricia Douglass	1	Grand-daughter	—	New York
64	Anna Beyer	58	Head	House Wife	New York
65	Helen Beyer	25	Daughter	Statistician	New York
66	Anthony Karasek	60	Head	Polisher	Germany
67	Julia Karasek	59	Wife	House Wife	Austria
68	Carrie Boegler	62	Head	House Wife	New York
69	Frank Linke	41	Head	Clerical	New York
70	Elsie Linke	49	Sister	House Wife	New York
71	Emma Thorn	89	Head	House Wife	Switzerland
72	Charles Jackson	32	Son-in-law	Utility Man	New York
73	Signe Jackson	50	Daughter	House Wife	New Jersey
74	Dorothy Crep	66	Head	House Wife	New York
75	William Cole	56	Head	Mail Clerk	Pennsylvania
76	Estelle Cole	52	Wife	House Wife	Pennsylvania
77	Gladys Cole	17	Daughter	Beautician	Texas
78	Inez Frizza	24	Daughter	Beautician	Texas
79	Carl Frizza	25	Son-in-law	Salesman	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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