Mary Connelly — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this Mary Connelly across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 8-person household.

Age 39 b. ~1901 Female Spouse Born: Canada English Married

1940 Census Record Details

Census Year	1940
Location	Middlesex-County, Massachusetts
Surname	Connelly
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Canada English
1935 Residence (City)	Medford
1935 Residence (County)	Middlesex
Naturalization Status	Alien
Additional Details
Occupation	none
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Same place
Birth Country	Canada
Birthplace (normalized)	canada english
Township / Ward	Medford
Est. Birth Year	~1901

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
William Connelly	Son	—	12	~1928
Mary Connelly	Spouse	—	39	~1901
Francis Connelly	Son	—	13	~1927
Walter Connelly	Head	—	49	~1891
Marie Connelly	Daughter	—	6	~1934
Elaine Connelly	Daughter	—	8	~1932
June Connelly	Daughter	—	2	~1938
Dorothy Connelly	Daughter	—	15	~1925

Census Appearances

1930

Suffolk, Massachusetts

Other, age 29

Suffolk, Massachusetts · implied b. ~1901 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Connolly
Given Name	Mary E.
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Canada English
Naturalization Status	Alien
Year of Immigration	1901
Age at First Marriage	22
Father's Birthplace	Canada English
Mother's Birthplace	Canada English
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Canada
Birthplace (normalized)	canada english

1940

Middlesex-County, Massachusetts

Spouse, age 39

Middlesex-County, Massachusetts · implied b. ~1901 — 8 household members

Surname	Connelly
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Canada English
1935 Residence (City)	Medford
1935 Residence (County)	Middlesex
Naturalization Status	Alien
Occupation	none
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Same place
Birth Country	Canada
Birthplace (normalized)	canada english

Model Tree

Linked across censuses

Our Model Tree links Mary Connelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Connelly

Spouse · 1940 · age 39 · b. ~1901 · 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 — Middlesex-County, Massachusetts Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01612-00492)

Line	Name	Age	Relation	Occupation	Birthplace
41	Herbert H. Carter	61	brother	Painter	Scotland
42	Jane Carter	53	sister	None	Scotland
43	Edward Woodhouse	70	lodger	Janitor	England
44	Frank Rizzeri	41	head	Barber	Italy
45	Rose M. Rizzeri	41	wife	None	Mass.
46	Emma Rizzeri	17	daughter	None	Mass.
47	Peter Rizzeri	15	son	None	Mass.
48	Abramo Moscone	50	head	Proprietor	Italy
49	Nancy Moscone	44	wife	None	Italy
50	Peter Moscone	20	son	Washer	Rhode Island
51	John Moscone	18	son	New Worker	Mass.
52	George Moscone	15	son	None	Mass.
53	Rena Moscone	11	daughter	None	Mass.
54	Antonio Ulavonni	48	lodger	Bartender	Italy
56	Bernard Bodkin	34	head	Carpenter	Mass.
57	Mary Bodkin	26	wife	None	Mass.
58	Bernice Bodkin	8	daughter	None	Mass.
59	John Bodkin	6	son	None	Mass.
60	Barbara Bodkin	3	daughter	None	Mass.
61	Raymond Emery	49	head	Painter	Mass.
62	Lettie V. Emery	39	wife	None	Mass.
63	Raymond D. Emery	15	son	None	Mass.
64	Melvin Emery	13	son	None	Mass.
65	George Emery	10	son	None	Mass.
66	Edward Cheade	21	step-son	Electrician Helper	Mass.
67	David Welsh	38	head	None	Mass.
68	Annie M. Welsh	17	daughter	None	New Hampshire
69	James C. Welsh	16	son	Apprentice Machinist	Maine
70	Robert R. Welsh	14	son	None	Maine
71	Walter P. Connelly	49	head	Brakeman	Canada English
72	Mary Connelly THIS PERSON	39	wife	None	Canada English
73	Dorothy Connelly	15	daughter	None	Mass.
74	Francis Connelly	13	son	None	Mass.
75	William Connelly	12	son	None	Mass.
76	Elaine Connelly	8	daughter	None	Mass.
77	Marie Connelly	6	daughter	None	Mass.
78	June Connelly	2	daughter	None	Mass.
79	Cyrus K. Clark	72	head	Carpenter	Maine
80	Ethel F. Jennings	43	daughter	None	Mass.

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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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