Mary Power — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Suffolk, Massachusetts

Our Model Tree links this Mary Power across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 7-person household.

Age 33 b. ~1897 Female Spouse Born: Massachusetts Married

1930 Census Record Details

Census Year	1930
Location	Suffolk, Massachusetts
Surname	Power
Given Name	Mary J
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Massachusetts
Age at First Marriage	18
Father's Birthplace	Irish Free State
Mother's Birthplace	Massachusetts
Additional Details
Can Read/Write	Yes
Veteran	No
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	massachusetts
Township / Ward	Boston City Of
Est. Birth Year	~1897

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.

7 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
John Power	Head	—	38	~1892
Mary Power	Spouse	—	33	~1897
Dolores Power	Daughter	—	1	~1929
Lorraine Power	Daughter	—	4	~1926
Mary Power	Daughter	—	13	~1917
William Power	Son	—	2	~1928
Joan Power	Daughter	—		~1930

Census Appearances

1930

Suffolk, Massachusetts

Spouse, age 33

Suffolk, Massachusetts · implied b. ~1897 — 7 household members

Surname	Power
Given Name	Mary J
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Massachusetts
Age at First Marriage	18
Father's Birthplace	Irish Free State
Mother's Birthplace	Massachusetts
Can Read/Write	Yes
Veteran	No
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	massachusetts

1940

Suffolk-County, Massachusetts

Spouse, age 41

Suffolk-County, Massachusetts · implied b. ~1899 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Powers
Given Name	Mary J.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Massachusetts
1935 Residence (City)	Boston City
1935 Residence (County)	Suffolk
Highest Grade	7
1935 Residence	Same Place
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	massachusetts

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Power

Spouse · 1930 · age 33 · b. ~1897 · Massachusetts

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1930 US Federal Census — Suffolk, Massachusetts Open full size

Page Contents

50 people indexed on this census page (ia:1930:massachusettscensus00reel946:0744)

Line	Name	Age	Relation	Occupation	Birthplace
1	Fred Coles	53	Head	Salesman	New York
2	Ida B Coles	44	Wife	—	Pennsylvania
3	Paul Gailunas	35	Head	Dyer	Lithuania
4	Amy Gailunas	30	Wife	—	Lithuania
5	Paul Gailunas	5	Son	—	Massachusetts
6	Robert J Gailunas	3	Son	—	Massachusetts
7	John J Cullen	60	Head	—	Massachusetts
8	Mary G Cullen	50	Wife	—	Massachusetts
9	Mary F Cullen	22	Daughter	Bookkeeper	Massachusetts
10	Jennie Cygra	47	Head	—	Lithuania
11	Charles Cygra	23	Son	Shipper	Massachusetts
12	Joseph Cygra	21	Son	Clerk	Massachusetts
13	Bernice Cygra	19	Daughter	Helper	Massachusetts
14	Frank Cygra	17	Son	—	Massachusetts
15	Helen Cygra	12	Daughter	—	Massachusetts
16	Richard J Fitzgerald	37	Head	Laborer	Massachusetts
17	Margaret Fitzgerald	47	Wife	—	Irish Free State
18	John J Galvin	24	Step son	Longshoreman	Massachusetts
19	Timothy Galvin	23	Step son	—	Massachusetts
20	Mary Galvin	20	Step daughter	Machine Operator	Massachusetts
21	William Galvin	18	Step son	Machine Operator	Massachusetts
22	Richard Grant	51	Head	Machine Operator	Massachusetts
23	Peter J Campion	40	Roomer	Salesman	Irish Free State
24	Martin J Keeley	34	Roomer	Custodian	Massachusetts
25	Joseph J Keeley	23	Roomer	Clerk	Massachusetts
26	Thomas S Robbins	53	Roomer	—	Massachusetts
27	Julia A Sullivan	65	Head	—	Massachusetts
28	Nora E Cunney	67	Sister	—	Massachusetts
29	Catherine Tehall	55	Sister	—	Massachusetts
30	Margaret A Sullivan	22	Cousin	Bookkeeper	Massachusetts
31	Alice J Mahony	36	Cousin	—	Massachusetts
32	Mary Mahony	72	Aunt	—	New York
33	Patrick Toole	58	Roomer	Carpenter	Irish Free State
34	Joseph H Gannon	44	Head	Watchman	Massachusetts
35	Mary E Gannon	49	Wife	—	Massachusetts
36	Mary C Gannon	13	Daughter	—	Massachusetts
37	Joseph B Gannon	11	Son	—	Massachusetts
38	John J Power	38	Head	Salesman	Massachusetts
39	Mary J Power THIS PERSON	33	Wife	—	Massachusetts
40	Mary Power	13	Daughter	—	Massachusetts
41	Lorraine Power	4	Daughter	—	Massachusetts
42	William Power	2	Son	—	Massachusetts
43	Dolores Power	1	Daughter	—	Massachusetts
44	Joan Power	0	Daughter	—	Massachusetts
45	Mary Gorman	63	Head	—	Irish Free State
46	Arthur Gorman	31	Son	Clerk	Massachusetts
47	John Hagadon	61	Brother	—	Irish Free State
48	John Faulkner	45	Head	—	Massachusetts
49	Archie A Faulkner	45	Wife	—	Irish Free State
50	Mary Ward	44	Roomer	—	Massachusetts

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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