Mary Boyle — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Boyle across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 5-person household.

Age 47 b. ~1893 Female Spouse Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Bronx-County, New York
Surname	Boyle
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Bronx
Additional Details
Highest Grade	No 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	~1893

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
Hellen Boyle	Daughter	—	22	~1918
Daniel Boyle	Head	—	50	~1890
Ellen Byrne	Other	—	68	~1872
Henry Boyle	Son	—	25	~1915
Mary Boyle	Spouse	—	47	~1893

Census Appearances

1920

Bronx, New …

Spouse, age 26

Bronx, New York · implied b. ~1894 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Boyle
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	26
Marital Status	Married
Birthplace	New York
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Bronx, New …

Spouse, age 36

Bronx, New York · implied b. ~1894 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Boyle
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	New York
Age at First Marriage	19
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Bronx-County, New …

Spouse, age 47

Bronx-County, New York · implied b. ~1893 — 5 household members

Surname	Boyle
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Bronx
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 Boyle across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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Anchor record

Mary Boyle

Spouse · 1940 · age 47 · b. ~1893 · 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-t0627-02478-00275)

Line	Name	Age	Relation	Occupation	Birthplace
1	Agnes Silber	74	Boarder	—	New York
2	Patric Rooney	52	Head	Fireman	Ireland
3	Rose A. Rooney	43	Wife	—	Ireland
4	Hugh Rooney	10	Son	—	New York
5	Rose - M Rooney	7	Daughter	—	New York
6	Patric Dwyer	36	Head	Clerical Work	Ireland
7	Nora Dwyer	38	Wife	—	Ireland
8	John Dwyer	8	Son	—	New York
9	Patric Jr Dwyer	7	Son	—	New York
10	Cornelius Dwyer	38	Brother	—	Ireland
11	Charles Pollard	35	Head	Hat Blocker	New York
12	Ellen Pollard	30	Wife	—	New York
13	Emily Pollard	10	Daughter	—	New York
14	Eleanor Pollard	8	Daughter	—	New York
15	Frank Pollard	80	Father	—	Italy
16	Mena Pollard	70	Mother	—	Germany
17	Carl Sasse	43	Head	Signal Man	New York
18	Harriet Sasse	41	Wife	—	New York
19	Carl Jr Sasse	7	Son	—	New York
20	Owen Herbert Sasse	19	Son	Clerk	New York
21	Harriet Sasse	16	Daughter	—	New York
22	Vincent Freese	41	Head	Clerk	New York
23	Agnes Freese	38	Wife	—	New York
24	Ann Freese	17	Daughter	Clerk	New York
25	Arthur Freese	15	Son	—	New York
26	Joan Freese	8	Daughter	—	New York
27	Anthony Havens	36	Head	Tel Repairman	Syracuse N.Y.
28	Marie Havens	31	Wife	—	New York
29	Richard Havens	8	Son	—	New York
30	Marie Havens	7	Daughter	—	New York
31	Annette Havens	3	Daughter	—	New York
32	Catherine Havens	61	Mother	—	New York
33	Daniel Boyle	50	Head	Clerk	New York
34	Mary Boyle THIS PERSON	47	Wife	—	New York
35	Henry F. Boyle	25	Son	Fireman	New York
36	Hellen Boyle	22	Daughter	Stenographer	New York
37	Ellen Byrne	68	Mother in Law	—	Ireland
38	John Mc Cabe	46	Head	Special Officer	New York
39	Anna Mc Cabe	45	Wife	—	New York
40	John Jr Mc Cabe	21	Son	Clerical Work	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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