Mary Frederick — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Norfolk-County, Massachusetts

Our Model Tree links this Mary Frederick across the 1920, 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 5-person household.

Age 46 b. ~1894 Female Spouse Born: Italy Married

1940 Census Record Details

Census Year	1940
Location	Norfolk-County, Massachusetts
Surname	Frederick
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Italy
1935 Residence (City)	Weymouth Town
1935 Residence (County)	Norfolk
Naturalization Status	Naturalized
Additional Details
Highest Grade	H-2
1935 Residence	Same place
Birth Country	Italy
Birthplace (normalized)	italy
Township / Ward	Weymouth Town
Est. Birth Year	~1894

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
Vito Frederick	Son	—	20	~1920
Amelia Frederick	Daughter	—	12	~1928
Carrie Golinanza	Other	—	77	~1863
Louis Frederick	Head	—	48	~1892
Mary Frederick	Spouse	—	46	~1894

Census Appearances

1920

Suffolk, Massachusetts

Other, age 25

Suffolk, Massachusetts · implied b. ~1895 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Frederici
Given Name	Mary
Relationship to Head	Patient
Sex	F
Color / Race	White
Age	25
Marital Status	Married
Birthplace	Italy
Year of Immigration	1913
Naturalization Status	Un
Father's Birthplace	Italy
Mother's Birthplace	Italy
Can Read	Yes
Can Write	Yes
Speaks English	No
Mother Tongue	Italian
Birth Country	Italy
Year of Naturalization	Un
Birthplace (normalized)	italy

1930

Suffolk, Massachusetts

Other, age 36

Suffolk, Massachusetts · implied b. ~1894 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Frederico
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Italy
Naturalization Status	Alien
Year of Immigration	1914
Age at First Marriage	18
Father's Birthplace	Italy
Mother's Birthplace	Italy
Occupation	none
Can Read/Write	Yes
Mother Tongue	Italian
Birth Country	Italy
Birthplace (normalized)	italy

1940

Norfolk-County, Massachusetts

Spouse, age 46

Norfolk-County, Massachusetts · implied b. ~1894 — 5 household members

Surname	Frederick
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Italy
1935 Residence (City)	Weymouth Town
1935 Residence (County)	Norfolk
Naturalization Status	Naturalized
Highest Grade	H-2
1935 Residence	Same place
Birth Country	Italy
Birthplace (normalized)	italy

Model Tree

Linked across censuses

Our Model Tree links Mary Frederick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Frederick

Spouse · 1940 · age 46 · b. ~1894 · 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 — Norfolk-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01634-00402)

Line	Name	Age	Relation	Occupation	Birthplace
1	William Hutchinson	8	Son	—	Massachusetts
2	Lloyd Hutchinson	7	Son	—	Massachusetts
3	Francis Hutchinson	1	Son	—	Massachusetts
4	John Coyle	30	Head	Clerk	Massachusetts
5	Bertha Coyle	26	Wife	—	Massachusetts
6	Joseph Coyle	8	Son	—	Massachusetts
7	Joan Coyle	5	Daughter	—	Massachusetts
8	Donato Scarpelli	45	Head	Deal	Italy
9	Frances Scarpelli	44	Wife	—	Italy
10	Concetta Scarpelli	20	Daughter	Clerk	Massachusetts
11	William Scarpelli	18	Son	New Worker	Massachusetts
12	Flora Scarpelli	15	Daughter	—	Massachusetts
13	Lillian Scarpelli	11	Daughter	—	Massachusetts
14	Louis Frederick	48	Head	Clerk	Massachusetts
15	Mary Frederick THIS PERSON	46	Wife	—	Italy
16	Vito F. Frederick	20	Son	Stenographer	Massachusetts
17	Amelia Frederick	12	Daughter	—	Massachusetts
18	Carrie Golinanza	77	Aunt	—	Italy
19	Joseph Grant	53	Head	Stitcher	Italy
20	Mary Grant	47	Wife	—	Italy
21	Anthony Grant	23	Son	Driver	Massachusetts
22	Joseph Grant	24	Son	New Worker	Massachusetts
23	Margaret Grant	22	Daughter	Stitcher Worker	Massachusetts
24	Louis Grant	18	Son	New Worker	Massachusetts
25	Angie Grant	16	Daughter	New Worker	Massachusetts
26	Richard Grant	9	Son	—	Massachusetts
27	Mary A. Rizzo	64	Head	—	Italy
28	Albert Rizzo	33	Son	Making Room	Massachusetts
29	Albert La Croce	26	Son-in-law	Making Room	Massachusetts
30	Lena La Croce	23	Daughter	—	Massachusetts
31	Anthony Russo	30	Head	Grinder	Massachusetts
32	Caroline Russo	28	Wife	—	Massachusetts
33	Ann M. Russo	8	Daughter	—	Massachusetts
34	William W. Paterson	48	Head	Janitor	New York
35	Laura M. Paterson	45	Wife	—	Massachusetts
36	Wallace W. Paterson	17	Son	New Worker	Massachusetts
37	Barbara Paterson	14	Daughter	—	Massachusetts
38	Robert L. Paterson	12	Son	—	Massachusetts
39	Enrico Danubio	49	Head	Laster	Italy
40	Rose Danubio	41	Wife	—	Massachusetts

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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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