Mary Fitzgerald — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Fitzgerald across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 2-person household.

Age 45 b. ~1895 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Fitzgerald
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	45
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York
1935 Residence (County)	New York
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Highest Grade	H-8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	New York
Est. Birth Year	~1895

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.

2 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Dorothy Fitzgerald	Daughter	—	16	~1924
Mary Fitzgerald	Head	—	45	~1895

Census Appearances

1920

New York, …

Other, age 27

New York, New York · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzgerald
Given Name	Mary
Relationship to Head	Cousin
Sex	F
Color / Race	White
Age	27
Marital Status	Single
Birthplace	Ireland
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Stenographer
Industry	Office
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

New York, …

Head, age 35

New York, New York · implied b. ~1895 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzgerald
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	35
Marital Status	Widowed
Birthplace	Ireland
Age at First Marriage	21
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Chambermaid
Industry	Hotel
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	No
Home Value / Rent	R
Radio Set	35
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

New-York-County, New …

Head, age 45

New-York-County, New York · implied b. ~1895 — 2 household members

Surname	Fitzgerald
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	45
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York
1935 Residence (County)	New York
Naturalization Status	Naturalized
Class of Worker	0
Highest Grade	H-8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Fitzgerald

Head · 1940 · age 45 · b. ~1895 · 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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02640-00403)

Line	Name	Age	Relation	Occupation	Birthplace
41	John Murphy	23	Head	Night Manager	New York
42	Daniel Murphy	21	Brother	Barge Captain	New York
43	Francis Murphy	19	Sister	Order Boy	New York
44	Edward Murphy	9	Sister	—	New York
45	Ellen Curtin	68	Head	—	Ireland
46	Joseph Curtin	37	Son	Cab Driver	New York
47	Mary Curtin	38	Niece	Waitress	New York
48	Mary Fitzgerald THIS PERSON	45	Head	—	Ireland
49	Dorothy Fitzgerald	16	Daughter	Stenographer	New York
50	Charles J. Mccarthy	43	Head	Plasterer	Ireland
51	Nora Mccarthy	40	Wife	—	Ireland
52	Lillian J. Mccarthy	13	Daughter	—	New York
53	Charles Mccarthy	9	Son	—	New York
54	Regina Mccarthy	7	Daughter	—	New York
55	Julia Meighan	84	Lodger	—	Ireland
56	Mary Mccarthy	70	Head	—	Ireland
57	Charles Schultz	37	Head	Grocery Store	France
58	Virginia Schultz	35	Wife	—	Turkey
59	Victoria Denkmedjian	57	Mother-in-law	—	Turkey
60	Edward Denkmedjian	25	Brother-in-law	Chemist	Turkey
61	Roger De Rogue	37	Head	Elevator Operator	France
62	Marie De Rogue	35	Wife	—	Czecho-Slovakia
63	Louise De Rogue	12	Daughter	—	New York
64	Robert De Rogue	10	Son	—	New York
65	Roger John De Rogue	2	Son	—	New York
66	Mary Dalton	40	Head	Beauty Shoppe	Ireland
67	Philip Mccormack	42	Lodger	Tailor	Ireland
68	Joseph Kearney	36	Lodger	Porter	Mass.
69	Martin Reilly	37	Head	Clerk	Ireland
70	Mary Reilly	38	Wife	—	Ireland
71	Thomas Reilly	13	Son	—	New York
72	Jack Reilly	6	Son	—	New York
73	Jack Skinner	26	Lodger	Handyman	Penn.
74	Susan Conlin	73	Head	—	Ireland
75	Katherine Mccoy	31	Niece	—	Ireland
76	Louis Schlotzer	76	Lodger	—	Germany
77	George Sanders	42	Lodger	Laborer	New York
78	Alice Mcgrath	32	Lodger	Musician	Iowa
79	Jeanie Foster	26	Lodger	Key Punch Operator	Mass.
80	Daniel Dorgonon	23	Lodger	Light Maker	Porto Rico

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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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