Mary Costello — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · New York, New York

Our Model Tree links this Mary Costello across the 1920, 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 8-person household.

Age 43 b. ~1887 Female Spouse Born: Ireland Married

1930 Census Record Details

Census Year	1930
Location	New York, New York
Surname	Costello
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1904
Age at First Marriage	32
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	New York City
Est. Birth Year	~1887

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
Patrick Costello	Head	—	44	~1886
Francis Costello	Son	—	11	~1919
John Costello	Son	—	14	~1916
Edward Costello	Son	—	12	~1918
James Costello	Son	—	16	~1914
David Costello	Son	—	15	~1915
Robert Costello	Son	—	6	~1924
Mary Costello	Spouse	—	43	~1887

Census Appearances

1920

New York, …

Spouse, age 31

New York, New York · implied b. ~1889 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Costello
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1907
Naturalization Status	Alien
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

New York, …

Spouse, age 43

New York, New York · implied b. ~1887 — 8 household members

Surname	Costello
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1904
Age at First Marriage	32
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

New-York-County, New …

Head, age 56

New-York-County, New York · implied b. ~1884

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Castello
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	56
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York City
1935 Residence (County)	New York
Naturalization Status	Naturalized
Industry	0
Highest Grade	No 7
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links Mary Costello across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

Show:

This person

Anchor record

Mary Costello

Spouse · 1930 · age 43 · b. ~1887 · New York

★ You are viewing this record

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:newyorkcensus00reel1609:0582)

Line	Name	Age	Relation	Occupation	Birthplace
51	Alexander Gurianoff	42	Head	Clerk	Russia-Europe
52	Frances H Gurianoff	32	Wife	—	New York
53	Paul Dionel	43	Head	Supervisor	France
54	Justine Dionel	42	Wife	Employee	France
55	Jane Dionel	14	Daughter	—	New York
56	Luke Dionel	12	Son	—	New York
57	Emile Dionel	26	Nephew	Presser	France
58	Harry Hussy	47	Head	Salesman	New York
59	Mary Hussy	47	Wife	Salesman	New York
60	Thomas Forsch	42	Head	Agent	New York
61	Edward H Forsch	16	Son	Unemployed	New York
62	Kenneth Forsch	14	Son	—	New York
63	Doris Forsch	13	Daughter	—	New York
64	Harry W Casey	45	Head	—	Maine
65	Florence H Casey	39	Wife	Employee	New York
66	Arthur H Hammond	50	Head	—	New York
67	Patrick Costello	44	Head	Layer	Ireland
68	Mary Costello THIS PERSON	43	Wife	—	Ireland
69	James Costello	16	Son	Helper	New York
70	David H Costello	15	Son	—	New York
71	John Costello	14	Son	—	New York
72	Edward Costello	12	Son	—	New York
73	Francis Costello	11	Son	—	New York
74	Robert Costello	6	Son	—	New York
75	William De Stefano	35	Head	Employee	Italy
76	Anna De Stefano	32	Wife	—	Italy
77	Margherita De Stefano	6	Daughter	—	New York
78	William De Stefano	3	Son	—	New York
79	George Vaughan	33	Head	Engineer	Massachusetts
80	Amy L Vaughan	31	Wife	—	England
81	Franklin Vaughan	26	Nephew	—	England
82	Milton Mishkin	31	Head	Employee	New York
83	Sophie Mishkin	28	Wife	—	New York
84	Stephen Mishkin	2	Son	—	New Jersey
85	Margaret Cramer	20	Maid	Maid	Germany
86	Louis Sherman	39	Head	Employee	Poland
87	Ethel Sherman	32	Wife	—	Russia
88	Lillian Sherman	9	Daughter	—	New York
89	Marilyn Sherman	4	Daughter	—	New York
90	Henry Bornhofft	39	Head	Superintendent	Germany
91	Edith Bornhofft	40	Wife	—	Germany
92	Bernhardt Ledermann	49	Head	Unemployed	Germany
93	Elise Ledermann	47	Wife	—	Germany
94	Emma Ledermann	12	Daughter	—	New York
95	George Ledermann	11	Son	—	New York
96	Leo Bloom	33	Head	Employee	Russia
97	Emma Bloom	30	Wife	—	Russia
98	Wanda Bloom	6	Daughter	—	New York
99	Ethel Bloom	25	Daughter	Secretary	Pennsylvania
100	Sophie Bloom	20	Daughter	Secretary	New York

Search for Mary Costello

All Mary Costello Census Records Discover Costello Family Tree

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)

Report inaccurate data