Mary William — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · New York, New York

Our Model Tree links this Mary William across the 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 4-person household.

Age 22 b. ~1908 Female Spouse Born: Irish Free State Married

1930 Census Record Details

Census Year	1930
Location	New York, New York
Surname	William
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Irish Free State
Naturalization Status	Alien
Year of Immigration	1924
Age at First Marriage	18
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Additional Details
Occupation	Housewife
Can Read/Write	Yes
Mother Tongue	English
Birthplace (normalized)	irish free state
Occupation	Housewife
Township / Ward	Nyc
Est. Birth Year	~1908

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Catherine William	Daughter	—	4	~1926
Robert William	Head	—	24	~1906
Thomas William	Son	—	2	~1928
Mary William	Spouse	—	22	~1908

Census Appearances

1930

New York, …

Spouse, age 22

New York, New York · implied b. ~1908 — 4 household members

Surname	William
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Irish Free State
Naturalization Status	Alien
Year of Immigration	1924
Age at First Marriage	18
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Occupation	Housewife
Can Read/Write	Yes
Mother Tongue	English
Birthplace (normalized)	irish free state

1940

Bronx-County, New …

Spouse, age 32

Bronx-County, New York · implied b. ~1908 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Williams
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Irish Free State
1935 Residence (City)	New York City
1935 Residence (County)	Manhattan
Naturalization Status	Naturalized
Highest Grade	No 6
1935 Residence	New York
Birthplace (normalized)	irish free state

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary William

Spouse · 1930 · age 22 · b. ~1908 · New York

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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 — New York, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1557:0893)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mike Peters	50	Head	Ice Man	Italy
2	Cristina Peters	20	Wife	Dressmaker	Italy
3	Ferdinand Peters	19	Son	Dial Polisher	Italy
4	George Nicholas	42	Head	Manager	Greece
5	Mary Nicholas	37	Wife	Housewife	Greece
6	Henry Lehret	46	Head	Pantry Cook	France
7	Hilly Lehret	34	Wife	Housewife	Irish Free State
8	Robert William	24	Head	Doorman	New York
9	Mary William THIS PERSON	22	Wife	Housewife	Irish Free State
10	Catherine William	4	Daughter	—	New York
11	Thomas William	2	Son	—	New York
12	Catherine Homan	40	Head	Servant	Irish Free State
13	Marion Homan	40	Son	Coal Passer	New York
14	Charles Homan	50	Cousin	Coal Passer	Irish Free State
15	Fred Campbell	27	Head	Chauffeur	Rhode Island
16	Elizabeth Campbell	33	Wife	Housewife	Irish Free State
17	Laura Campbell	5	Daughter	—	New York
18	Dorothy Campbell	3	Daughter	—	New York
19	William Campbell	2	Son	—	New York
20	Christine H. Haag	39	Head	Cook	Germany
21	Liselotte Haag	12	Daughter	—	Germany
22	Erna Stummer	19	Niece	Servant	Germany
23	Elsa Stummer	20	Niece	Servant	Germany
24	Mike Cahill	26	Head	Laborer	Irish Free State
25	Catherine Cahill	19	Wife	—	New York
26	William Cahill	2	Son	—	New York
27	Catherine Cahill	0	Daughter	—	New York
28	Mary Foster	50	Mother Law	Maid Servant	New York
29	John Blunk	27	Head	Mechanic	Germany
30	Emma Blunk	25	Wife	Housewife	Germany
31	Herman Blunk	3	Son	—	Germany
32	Fred Bondside	22	Brother	Mechanic	Germany
33	Hooker Hartman	27	Boarder	Mechanic	Germany
34	Charles Aubert	28	Boarder	Chemist	Germany
35	Edward Fitzgerald	35	Head	Carpenter	Irish Free State
36	Rose Fitzgerald	46	Wife	Housekeeper	Canada
37	Thomas Gordon	75	Head	Elevator Man	Irish Free State
38	Eddy Gordon	35	Son	Watchman	New Jersey
39	Ernest Bode	43	Head	Waiter	Germany
40	Marie Bode	42	Wife	Housewife	Austria
41	Amelie Bode	16	Daughter	—	Germany
42	Marchen Bode	12	Daughter	—	Germany
43	Ernest Bode	4	Son	—	Germany
44	Northrop Willard	49	Head	Carpenter	Connecticut
45	Mathilda Willard	48	Wife	Housewife	Switzerland
46	Vibert Faustent	28	Nephew	Silverer	New York
47	James Mcquade	28	Head	City Service	New York
48	Julia Mcquade	24	Wife	Housewife	Northern Ireland
49	Catherine Mcquade	1	Daughter	—	New York
50	Josef Jeschke	31	Head	Mechanic	Germany

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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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