John Cronin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Suffolk-County, Massachusetts

Our Model Tree links this John Cronin across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 2-person household.

Age 74 b. ~1866 Male Head Born: England Widowed

1940 Census Record Details

Census Year	1940
Location	Suffolk-County, Massachusetts
Surname	Cronin
Given Name	John A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	74
Marital Status	Widowed
Birthplace	England
1935 Residence (City)	Boston City
1935 Residence (County)	Suffolk
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth Country	England
Birthplace (normalized)	england
Township / Ward	Boston City
Est. Birth Year	~1866

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Mary Cronin	Daughter	—	52	~1888
John Cronin	Head	—	74	~1866

Census Appearances

1920

Essex, Massachusetts

Head, age 53

Essex, Massachusetts · implied b. ~1867 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cronin
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Widowed
Birthplace	England
Father's Birthplace	England
Mother's Birthplace	England
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	R
Birth Country	England
Birthplace (normalized)	england

1930

Suffolk, Massachusetts

Head, age 64

Suffolk, Massachusetts · implied b. ~1866 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cronin
Given Name	John A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Widowed
Birthplace	England
Naturalization Status	Naturalized
Year of Immigration	1882
Age at First Marriage	18
Father's Birthplace	Irish Free State
Mother's Birthplace	England
Occupation	Painter
Industry	Building Constr
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	45
Veteran	No
Birth Country	England
Birthplace (normalized)	england

1940

Suffolk-County, Massachusetts

Head, age 74

Suffolk-County, Massachusetts · implied b. ~1866 — 2 household members

Surname	Cronin
Given Name	John A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	74
Marital Status	Widowed
Birthplace	England
1935 Residence (City)	Boston City
1935 Residence (County)	Suffolk
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth Country	England
Birthplace (normalized)	england

Model Tree

Linked across censuses

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

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This person

Anchor record

John Cronin

Head · 1940 · age 74 · b. ~1866 · Massachusetts

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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 — Suffolk-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01663-00198)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary Sheehan	68	Sister	Dressmaker	Massachusetts
2	Lawrence Lombard	37	Step	Investigator	Massachusetts
3	Sarah R. Robertson	59	Head	—	England
4	Raymond Robertson	25	Son	Salesman	Massachusetts
5	John Robertson	22	Son	Clerk	Massachusetts
6	George Robertson	20	Son	Porter	Massachusetts
7	Virginia Robertson	16	daughter	Waitress	Massachusetts
8	Christopher Plastira	60	Lodger	Chef	Greece
9	Harrison Relyea	39	Lodger	Laborer	Connecticut
10	Charles Carlson	45	Lodger	Painter	Sweden
11	Sophie Wazala	35	Lodger	Chamber Maid	Massachusetts
12	Margaret Griffin	48	Head	Housekeeper	Irish Free State
13	Florence Lee	45	Lodger	Typist	Massachusetts
14	Nunzio Giambro	21	Head	Painter	Italy
15	Constantina Giambro	24	Wife	Housekeeper	Massachusetts
16	Roland Giambro	1	son	—	Massachusetts
17	Bertha Clark	57	Head	Housekeeper	New Hampshire
18	Catherine Mcfarland	89	Head	—	French Canada
19	Annie Stone	69	Lodger	Domestic	French Canada
20	Fanny Arthur	85	Head	—	Massachusetts
21	Charles Weber	48	Nephew	Teacher	Massachusetts
22	John A. Cronin THIS PERSON	74	Head	—	England
23	Mary A. Cronin	52	daughter	Secretary	Massachusetts
24	Mary L. Walsh	62	Head	—	Massachusetts
25	Annie B. Walsh	56	Sister	—	Massachusetts
26	Francis Spencer	40	Head	—	Rhode Island
27	Angus Murdock	53	Head	Steam Engineer	Scotland
28	Agnes Murdock	49	Wife	Waitress	Scotland
29	Rubina Watt	59	Sister	Elevator Operator	Scotland
30	John Ervana	19	Nephew	—	Scotland
31	Thomas Casey	32	Head	Foreman	Massachusetts
32	Teresa Casey	35	Wife	—	Massachusetts
33	Thomas Casey	3	Son	—	Massachusetts
34	Cornelius Brady	39	Head	Stationary Engineer	District of Col.
35	Margaret Brady	32	Wife	—	Irish Free State
36	Cornelius Brady	4	Son	—	Massachusetts
37	Margaret Brady	2	daughter	—	Massachusetts
38	Alex Bouchut	64	Head	Cook	France
39	Margaret Bouchut	48	Wife	—	France
40	Elmer X. Lalsbury	54	Head	Motor Man	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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