Mary Long — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Bronx, New York

Our Model Tree links this Mary Long across the 1920, 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.

Age 66 b. ~1864 Female Head Born: Connecticut Widowed

1930 Census Record Details

Census Year	1930
Location	Bronx, New York
Surname	Long
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	66
Marital Status	Widowed
Birthplace	Connecticut
Age at First Marriage	25
Father's Birthplace	Germany
Mother's Birthplace	Germany
Additional Details
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	$61
Radio Set	R
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut
Est. Birth Year	~1864

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.

3 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Louise Long	Daughter	—	34	~1896
Mary Long	Head	—	66	~1864
Henry Long	Son	—	33	~1897

Census Appearances

1920

Bronx, New …

Head, age 57

Bronx, New York · implied b. ~1863 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Long
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	57
Marital Status	Widowed
Birthplace	Connecticut
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

1930

Bronx, New …

Head, age 66

Bronx, New York · implied b. ~1864 — 3 household members

Surname	Long
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	66
Marital Status	Widowed
Birthplace	Connecticut
Age at First Marriage	25
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	$61
Radio Set	R
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

1940

Queens-County, New …

Spouse, age 78

Queens-County, New York · implied b. ~1862 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Long
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	78
Marital Status	Married
Birthplace	Connecticut
1935 Residence (City)	Flushing
1935 Residence (County)	Queens
Highest Grade	No 8
1935 Residence	Same place
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

Model Tree

Linked across censuses

Our Model Tree links Mary Long 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 Long

Head · 1930 · age 66 · b. ~1864 · New York

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

Original Census Page

1930 US Federal Census — Bronx, New York Open full size

Page Contents

31 people indexed on this census page (ia:1930:newyorkcensus00reel1471:0936)

Line	Name	Age	Relation	Occupation	Birthplace
51	Mary Long THIS PERSON	66	Head	—	Connecticut
52	Henry Long	33	Son	Dentist	Rhode Island
53	Louise Long	34	Daughter	Fitter	Rhode Island
54	Bertha Hahnenfeld	59	Head	—	New York
55	Bertha M. Hahnenfeld	32	Daughter	—	New York
56	John Garger	28	Head	Janitor	Germany
57	Mary Garger	23	Wife	—	Pennsylvania
58	Mary Garger	2	Daughter	—	New York
59	William Deeley	44	Head	Stationary Engineer	Ireland
60	Margaret Deeley	42	Wife	—	New York
61	Joseph Deeley	24	Son	Bank Clerk	New York
62	Mary Deeley	13	Daughter	—	New York
63	William Jr. Deeley	12	Son	—	New York
64	Emmett Deeley	10	Son	—	New York
65	Elizabeth Flanagan	58	Head	—	Massachusetts
66	James H. Flanagan	30	Son	Marine Engineer	Massachusetts
67	Joseph H. Flanagan	28	Son	Chief Engineer	Massachusetts
68	John A. Flanagan	26	Son	—	Massachusetts
69	Edward Lyons	19	Nephew	Messenger	Massachusetts
70	Virginia Lyons	12	Niece	—	Massachusetts
71	Paul V. Adell	50	Head	Personnel Counsel	New York
72	Florence A. Adell	42	Sister	Gallery Clerk	New York
73	Olga Fechner	58	Head	Bookkeeper	Germany
74	John Nilsson	50	Roomer	Cook	Germany
75	Robert Cutch	55	Roomer	Housekeeper	Germany
76	William Lyon	36	Roomer	Chauffeur	Minnesota
77	Michael Cohn	57	Roomer	Merchandise	New York
78	Paul Lake	35	Roomer	Painter	Germany
79	Eric Robault	43	Roomer	Attendant	Germany
80	Donald Klutz	64	Roomer	Driver	New York
81	Frank Karsal	64	Roomer	Furn. Maker	Czechoslovakia

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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