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Mary Conroy — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Queens, New York

Our Model Tree links this Mary Conroy across the 1930 and 1940 US Censuses in Queens, New York (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.

Age 10 b. ~1920 Female Daughter Born: New Jersey Single

1930 Census Record Details

Census Year	1930
Location	Queens, New York
Surname	Conroy
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	10
Marital Status	Single
Birthplace	New Jersey
Father's Birthplace	New Jersey
Mother's Birthplace	Ireland
Additional Details
Occupation	none
Can Read/Write	Yes
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey
Township / Ward	New York City
Est. Birth Year	~1920

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Joseph Conroy	Son	—	6	~1924
Catherine Conroy	Spouse	—	37	~1893
John Conroy	Son	—	12	~1918
Mary Conroy	Daughter	—	10	~1920
Helen Conroy	Daughter	—	6	~1924
Peggy Conroy	Daughter	—	8	~1922
Catherine Conroy	Daughter	—	14	~1916
John Conroy	Head	—	40	~1890

Census Appearances

1930

Queens, New …

Daughter, age 10

Queens, New York · implied b. ~1920 — 8 household members

Surname	Conroy
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	10
Marital Status	Single
Birthplace	New Jersey
Father's Birthplace	New Jersey
Mother's Birthplace	Ireland
Occupation	none
Can Read/Write	Yes
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey

1940

Queens-County, New …

Daughter, age 20

Queens-County, New York · implied b. ~1920 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Conroy
Given Name	Marion
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	20
Marital Status	Single
Birthplace	New Jersey
1935 Residence (City)	New York City
1935 Residence (County)	Queens
Occupation	Newt Worker
Class of Worker	PW
Hours Worked	3
Income (1939)	600
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Conroy

Daughter · 1930 · age 10 · b. ~1920 · New York

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Sibling

Peggy Conroy

Sibling · 1930 · age 8

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Joseph Conroy

Sibling · 1930 · age 6

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

John Conroy

Sibling · 1930 · age 12

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Catherine Conroy

Sibling · 1930 · age 14

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Helen Conroy

Sibling · 1930 · age 6

Source co-child of head (derived)

● Co-child · derived · ~0.88

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

Original Census Page

1930 US Federal Census — Queens, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1609:0289)

Line	Name	Age	Relation	Occupation	Birthplace
51	Jeannette Meyers	43	Wife	None	New York
52	Jennie Meyers	22	Daughter	Clerk	New York
53	John Rudolph	37	Head	Manager	New York
54	Margaret Rudolph	32	Wife	None	New York
55	Veronica Rudolph	10	Daughter	None	New York
56	John Rudolph	7	Son	None	New York
57	Joseph Rudolph	7	Son	None	New York
58	William Rudolph	4	Son	None	New York
59	Margaret Rudolph	1	Daughter	None	New York
60	Elizabeth Rudolph	66	Head	None	New York
61	Leo Fugason	36	Son-in-law	Laborer	New York
62	Charlotte Fugason	37	Daughter	None	New York
63	August Gerken	56	Head	None	Germany
64	Emma S. Gerken	56	Wife	None	Germany
65	Frederick Mayer	23	Head	Bookkeeper	New York
66	Marie Mayer	24	Wife	None	New York
67	Frank Young	30	Head	Manager	New York
68	Jennie Young	28	Wife	None	New York
69	Doris Young	2	Daughter	None	New York
70	Catherine Morris	50	Head	None	Ireland
71	Irene Morris	15	Daughter	None	New York
72	William Mackin	33	Nephew	Property Man	New York
73	Mary Mackin	80	Mother	None	Ireland
74	William Mathews	48	Head	Guard	New York
75	Mamie Mathews	48	Wife	None	Ireland
76	Thomas Mathews	20	Son	Apprentice	New York
77	Catherine Mathews	19	Daughter	Stenographer	New York
78	William Jr. Mathews	14	Son	None	New York
79	James Mathews	11	Son	None	New York
80	Ellen Reading	70	Head	None	Ireland
81	Grace Reading	29	Daughter	Stenography	New York
82	John Conroy	40	Head	Laborer	New Jersey
83	Catherine Conroy	37	Wife	None	Ireland
84	Catherine Conroy	14	Daughter	None	New Jersey
85	Mary Conroy THIS PERSON	10	Daughter	None	New Jersey
86	John Conroy	12	Son	None	New Jersey
87	Peggy Conroy	8	Daughter	None	New Jersey
88	Helen Conroy	6	Daughter	None	New Jersey
89	Joseph Conroy	6	Son	None	New Jersey
90	William Scott	32	Head	Salesman	New York
91	Eleanor Scott	31	Wife	None	New York
92	Margaret Scott	7	Daughter	None	New York
93	Eleanor Scott	5	Daughter	None	New York
94	William Jr. Scott	3	Son	None	New York
95	William Yonker	51	Head	None	New York
96	Martha Yonker	25	Son	Clerk	New York
97	William H. Yonker	23	Son	Chauffeur	New York
98	Lillian Yonker	21	Daughter	None	New York
99	Corinne Yonker	18	Daughter	Clerk	New York
100	Muriel Yonker	13	Daughter	None	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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