Mary Regan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this Mary Regan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 9-person household.

Age 39 b. ~1901 Female Spouse Born: Mass. Married

1940 Census Record Details

Census Year	1940
Location	Middlesex-County, Massachusetts
Surname	Regan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Mass.
1935 Residence (City)	Boston
1935 Residence (County)	Suffolk
Additional Details
Occupation	Waitress Hostess
Industry	University Club
Class of Worker	PW
Hours Worked	24
Income (1939)	200
Highest Grade	C 1
1935 Residence	Mass.
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass
Occupation	Waitress Hostess
Township / Ward	Medford City
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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Ralph Regan	Son	—	12	~1928
Pauline Regan	Daughter	—	16	~1924
Marjorie Regan	Daughter	—	14	~1926
Ralph Regan	Head	—	40	~1900
Thomas Regan	Son	—	4	~1936
Walter Regan	Son	—	8	~1932
Robert Regan	Son	—	6	~1934
Mary Regan	Spouse	—	39	~1901
John Regan	Son	—	10	~1930

Census Appearances

1930

Suffolk, Massachusetts

Spouse, age 29

Suffolk, Massachusetts · implied b. ~1901 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Regan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Mass
Age at First Marriage	24
Father's Birthplace	Mass
Mother's Birthplace	Mass
Occupation	none
Can Read/Write	Yes
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass

1940

Middlesex-County, Massachusetts

Spouse, age 39

Middlesex-County, Massachusetts · implied b. ~1901 — 9 household members

Surname	Regan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Mass.
1935 Residence (City)	Boston
1935 Residence (County)	Suffolk
Occupation	Waitress Hostess
Industry	University Club
Class of Worker	PW
Hours Worked	24
Income (1939)	200
Highest Grade	C 1
1935 Residence	Mass.
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Regan

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-t0627-01612-00241)

Line	Name	Age	Relation	Occupation	Birthplace
1	Louis Herbert Molinari	37	Head	Service Station	Mass.
2	Rita Molinari	35	Daughter	Candy Factory	Canada Eng
3	Carl Baker	26	Lodger	Electric Welder	Mass.
4	Eleanor Baker	22	Lodger	—	Mass.
5	Ernest F. Molinari	26	Head	Service Station	Mass.
6	Dorothy F. Molinari	23	Wife	—	Mass.
7	Timothy Molinari	2	Daughter	—	Mass.
8	Joan Molinari	0	Daughter	—	Mass.
9	Stanley Meillo	36	Head	Steamfitter	Mass.
10	Anna Meillo	45	Wife	—	New York
11	Shirley Meillo	12	Daughter	—	Mass.
12	Ralph R. Regan	40	Head	—	Mass.
13	Mary Regan THIS PERSON	39	Wife	Waitress Hostess	Mass.
14	Pauline Regan	16	Daughter	—	Mass.
15	Marjorie Regan	14	Daughter	—	Mass.
16	Ralph Regan	12	Son	—	Mass.
17	John Regan	10	Son	—	Mass.
18	Walter Regan	8	Son	—	Mass.
19	Robert Regan	6	Son	—	Mass.
20	Thomas Regan	4	Son	—	Mass.
21	Frederick R. Murray	36	Head	Laborer	Mass.
22	Caroline M. Murray	30	Wife	—	Mass.
23	Roland W. Murray	3	Son	—	Mass.
24	William R. Sherwin	38	Head	Truck Driver	Mass.
25	Marie E. Sherwin	33	Wife	—	Mass.
26	Myrllon Virginia Sherwin	14	Daughter	—	Mass.
27	Roche Nelson Sherwin	27	Lodger	Truck Driver	Mass.
28	John Wolfe	57	Head	Clerk	Italy
29	Bertha Wolfe	44	Wife	—	Nova Scotia
30	Atilo Wolfe	47	Husband	Manager	Italy
31	William Wolfe	28	Son	Delivery Boy	Mass.
32	Robert Wolfe	19	Son	Machinist	Mass.
33	Francis Bierols	72	Head	—	Italy
34	Frank Bierols	40	Son	Fruits + Produce Dealer	Mass.
35	Simon Polaski	51	Head	Cook	Lithuania
36	Mary Polaski	52	Wife	—	Lithuania
37	Alexander Polaski	30	Son	Plumber	Mass.
38	Stephen Polaski	24	Son	Machinist	Mass.
39	Anna Rose Polaski	19	Daughter	Presser	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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