Mary Carroll — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Carroll across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 7-person household.

Age 61 b. ~1879 Female Spouse Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	Bronx-County, New York
Surname	Carroll
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Bronx Borough
1935 Residence (County)	Bronx
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Bronx Borough
Est. Birth Year	~1879

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Carroll	Daughter	—	21	~1919
James Carroll	Head	—	61	~1879
Kenneth Carroll	Son	—	17	~1923
Walter Carroll	Son	—	31	~1909
Raymond Carroll	Son	—	27	~1913
Vincent Carroll	Son	—	25	~1915
Mary Carroll	Spouse	—	61	~1879

Census Appearances

1920

New York, …

Other, age 40

New York, New York · implied b. ~1880 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Carroll
Given Name	Mary
Relationship to Head	Cook
Sex	F
Color / Race	White
Age	40
Marital Status	Single
Birthplace	Ireland
Year of Immigration	1904
Naturalization Status	Alien
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Cook
Industry	Private family
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 51

Bronx, New York · implied b. ~1879

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Carroll
Given Name	Mary
Relationship to Head	Head-H
Sex	F
Color / Race	White
Age	51
Marital Status	Widowed
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1903
Age at First Marriage	27
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	42
Radio Set	R
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Bronx-County, New …

Spouse, age 61

Bronx-County, New York · implied b. ~1879 — 7 household members

Surname	Carroll
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Bronx Borough
1935 Residence (County)	Bronx
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Carroll

Spouse · 1940 · age 61 · b. ~1879 · 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-t0627-02482-00618)

Line	Name	Age	Relation	Occupation	Birthplace
1	James Carroll	61	Head	Laborer	Ireland
2	Mary Carroll THIS PERSON	61	Wife	—	Ireland
3	Walter Carroll	31	Son	Bookkeeper	New York
4	Raymond Carroll	27	Son	Clerk	New York
5	Vincent Carroll	25	Son	Salesman	New York
6	Mary Carroll	21	Daughter	—	New York
7	Kenneth Carroll	17	Son	—	New York
8	Edward Cronin	58	Head	Train Man	Ireland
9	Catherine Cronin	43	Wife	—	Ireland
10	Margaret Cronin	18	Daughter	—	New York
11	Catherine Cronin	15	Daughter	—	New York
12	Edward Cronin	7	Son	—	New York
13	Egbert Ash	46	Head	Painter	New York
14	May Ash	42	Wife	—	New York
15	Mary Bell	68	Mother	—	Ireland
16	Johanna Rasch	48	Head	—	New York
17	Dorathea Rasch	46	Sister	Chief Operator	New York
18	Paul Neal	52	Head	Welder	Germany
19	Emma Neal	71	Wife	—	Germany
20	Peter Bradley	42	Head	Fireman	Ireland
21	Catherine Bradley	34	Wife	—	Ireland
22	Catherine Bradley	16	Daughter	—	New York
23	Anna Bradley	15	Daughter	—	New York
24	John Bradley	12	Son	—	New York
25	Arline Bradley	7	Daughter	—	New York
26	Thomas Esposito	40	Head	Attorney	New York
27	Louise Esposito	26	Wife	—	New York
28	Sylvia Esposito	8	Daughter	—	New York
29	John Esposito	4	Son	—	New York
30	Patrick Cunniff	38	Head	Conductor	New York
31	Beatrice Cunniff	33	Wife	—	New York
32	Patrick Cunniff	3	Son	—	New York
33	Robert Cunniff	0	Son	—	New York
34	Ellen Phelan	62	Head	—	Ireland
35	William Clyne	32	Head	Switchman	Ireland
36	Mary Clyne	27	Wife	—	New Jersey
37	William Clyne	2	Son	—	New York
38	Anne Clyne	1	Daughter	—	New York
39	James Wholey	48	Head	Chauffeur	Ireland
40	Nora Wholey	45	Wife	—	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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