Mary Dwyer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Onondaga-County, New York

Our Model Tree links this Mary Dwyer across the 1930 and 1940 US Censuses in Onondaga-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 8-person household.

Age 60 b. ~1880 Female Spouse Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Onondaga-County, New York
Surname	Dwyer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Syracuse City
1935 Residence (County)	Onondaga
Additional Details
Class of Worker	0
Hours Worked	0
Income (1939)	0
Highest Grade	H-4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Syracuse City
Est. Birth Year	~1880

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
Joseph Dwyer	Son	—	25	~1915
John Dwyer	Son	—	35	~1905
Mary Dwyer	Spouse	—	60	~1880
John Dwyer	Head	—	60	~1880
Paul Dwyer	Son	—	33	~1907
William Dwyer	Son	—	39	~1901
Edward Dwyer	Son	—	14	~1926
Robert Dwyer	Son	—	19	~1921

Census Appearances

1930

Onondaga, New …

Other, age 50

Onondaga, New York · implied b. ~1880 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dwyer
Given Name	Mary
Relationship to Head	Sister
Sex	F
Color / Race	White
Age	50
Marital Status	Single
Birthplace	New York
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Onondaga-County, New …

Spouse, age 60

Onondaga-County, New York · implied b. ~1880 — 8 household members

Surname	Dwyer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Syracuse City
1935 Residence (County)	Onondaga
Class of Worker	0
Hours Worked	0
Income (1939)	0
Highest Grade	H-4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Dwyer

Spouse · 1940 · age 60 · b. ~1880 · New York

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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 — Onondaga-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02855-00221)

Line	Name	Age	Relation	Occupation	Birthplace
1	Lola Cole	19	Daughter	—	New York
2	Alderic Caja	38	Head	Barber	Canada
3	Anna Caja	37	Wife	—	New York
4	Alderic Caja	17	Son	—	New York
5	Stephen Shulsa	47	Head	Electrician	New York
6	Anna Shulsa	32	Wife	Seamstress	New York
7	Raymond Shulsa	14	Son	—	New York
8	Patrick Gleason	57	Head	Laborer	New York
9	Mary Gleason	40	Wife	—	New York
10	Lawrence Molloy	45	Brother in law	—	New York
11	James Browne	59	Head	Policeman	New York
12	Mary Browne	57	Wife	—	New York
13	Robert Browne	32	Son	Reporter	New York
14	James Browne	30	Son	Salesman	New York
15	Dorothy Browne	27	Daughter	Stenographer	New York
16	John Dwyer	60	Head	Molder	New York
17	Mary Dwyer THIS PERSON	60	Wife	—	New York
18	William Dwyer	39	Son	Salesman	New York
19	John Jr. Dwyer	35	Son	Chemist	New York
20	Paul Dwyer	33	Son	Draftsman	New York
21	Joseph Dwyer	25	Son	—	New York
22	Robert Dwyer	19	Son	—	New York
23	Edward Dwyer	14	Son	—	New York
24	—	None	—	—	—
25	—	None	—	—	—
26	—	None	—	—	—
27	—	None	—	—	—
28	—	None	—	—	—
29	Rudolph Baat	33	Head	Machine Work	New York
30	Veronica Baat	24	Wife	Inspector	New York
31	Abbot Melick	47	Head	Painter	New York
32	Jennie Melick	45	Wife	Real Estate	Poland
33	William Rokuki	24	Son	Salesman	New York
34	Sylvia Rokuki	23	Daughter	Stenographer	New York
35	Paul Rokuki	22	Son	—	New York
36	Harry Mahmoth	65	Head	Rigger	Poland
37	Julia Mahmoth	60	Wife	—	Poland
38	Mary Mahmoth	28	Daughter	—	New York
39	Ella Mahmoth	22	Daughter	Inspector	New York
40	Anna Mahmoth	19	Daughter	Fruit Worker	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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