Mary Muller — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Bronx, New York

Our Model Tree links this Mary Muller across the 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 5-person household.

Age 32 b. ~1898 Female Spouse Born: Austria Married

1930 Census Record Details

Census Year	1930
Location	Bronx, New York
Surname	Muller
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Austria
Naturalization Status	Alien
Year of Immigration	1916
Age at First Marriage	22
Father's Birthplace	Austria
Mother's Birthplace	Austria
Additional Details
Can Read/Write	Yes
Mother Tongue	Polish
Birth Country	Austria
Birthplace (normalized)	austria
Township / Ward	Bronx Borough
Est. Birth Year	~1898

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Ludwig Kattler	Other	—	54	~1876
Monica Muller	Daughter	—	1	~1929
Helen Muller	Daughter	—	7	~1923
Joseph Muller	Head	—	36	~1894
Mary Muller	Spouse	—	32	~1898

Census Appearances

1930

Bronx, New …

Spouse, age 32

Bronx, New York · implied b. ~1898 — 5 household members

Surname	Muller
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Austria
Naturalization Status	Alien
Year of Immigration	1916
Age at First Marriage	22
Father's Birthplace	Austria
Mother's Birthplace	Austria
Can Read/Write	Yes
Mother Tongue	Polish
Birth Country	Austria
Birthplace (normalized)	austria

1940

Nassau-County, New …

Spouse, age 42

Nassau-County, New York · implied b. ~1898 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Moller
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Austria
1935 Residence (City)	College Point
1935 Residence (County)	Queens
Naturalization Status	Alien
Income (1939)	0
Highest Grade	No 6
1935 Residence	New York
Birth Country	Austria
Birthplace (normalized)	austria

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Muller

Spouse · 1930 · age 32 · b. ~1898 · 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 — Bronx, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1464:0679)

Line	Name	Age	Relation	Occupation	Birthplace
51	Sophie Heberle	73	Mother-in-law	—	New York
52	Robert Nelson	26	Cousin	Presser	Conn
53	Oswald George	34	Head	Porter	British West Indies
54	Beadie George	33	Wife	—	Virginia
55	John George	4	Son	—	Virginia
56	Marion George	3	Daughter	—	New York
57	Hazel George	0	Daughter	—	New York
58	Lillian George	0	Daughter	—	New York
59	Pat Deloro	39	Head	Cabinetmaker	Italy
60	Angina Deloro	37	Wife	—	Italy
61	Willa Deloro	12	Daughter	—	New York
62	Lawrence Deloro	11	Son	—	New York
63	Antonio Castellano	22	Nephew	—	New York
64	Julia Castellano	18	Niece	Finisher	Italy
65	Ignazio Messana	32	Head	Driver	New York
66	Catherine Messana	27	Wife	—	New York
67	Catherine Messana	1	Daughter	—	New York
68	Helen Comey	20	Sister-in-law	Presser	New York
69	Joseph Muller	36	Head	Cabinetmaker	Austria
70	Mary Muller THIS PERSON	32	Wife	—	Austria
71	Helen Muller	7	Daughter	—	New York
72	Monica Muller	1	Daughter	—	New York
73	Ludwig Kattler	54	Roomer	Mechanic	Austria
74	Thomas Brown	37	Head	Driver	Ireland
75	Anna Brown	36	Wife	—	Ireland
76	John Brown	5	Son	—	New York
77	William Brown	2	Son	—	New York
78	James Donahue	30	Roomer	Laborer	Ireland
79	John O'Malley	29	Head	Clerk	New York
80	Mary O'Malley	30	Wife	—	New York
81	John O'Malley	2	Son	—	New York
82	Ruth O'Malley	1	Daughter	—	New York
83	Patrick Liddy	47	Head	Laborer	Ireland
84	Margaret Liddy	44	Wife	—	Ireland
85	Rose Liddy	18	Daughter	Stenographer	New York
86	John Liddy	15	Son	—	New York
87	Catherine Liddy	13	Daughter	—	New York
88	James Liddy	12	Son	—	New York
89	Rudolph Liddy	22	Nephew	Office Manager	Ireland
90	Michael Finnegan	40	Head	Iceman	Ireland
91	Mary Finnegan	38	Wife	—	Ireland
92	Mary Finnegan	28	Sister	Waitress	Ireland
93	Nicholas Lynch	48	Head	Laborer	Ireland
94	Sarah Lynch	40	Wife	—	New York
95	Anna Lynch	21	Daughter	Stenographer	New York
96	Thomas Lynch	20	Son	Packer	New York
97	Agnes Lynch	12	Daughter	—	New York
98	Abraham Condon	40	Head	Salesman	New York
99	Delia Condon	40	Wife	—	Ireland
100	Thomas Condon	13	Son	—	New York

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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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