Mary Farrell — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Farrell across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 2-person household.

Age 59 b. ~1881 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Farrell
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	59
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York
1935 Residence (County)	New York
Naturalization Status	Naturalized
Additional Details
Occupation	Cleaning Floorwoman
Industry	Railway Station
Class of Worker	PW
Hours Worked	45
Income (1939)	1100
Highest Grade	No 8
1935 Residence	New York
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Cleaning Floorwoman
Township / Ward	New York
Est. Birth Year	~1881

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
Mary Farrell	Head	—	59	~1881
Alexander Farrell	Son	—	36	~1904

Census Appearances

1920

Kings, New …

Spouse, age 35

Kings, New York · implied b. ~1885 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Farrell
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Ireland
Father's Birthplace	Ireland
Mother's Birthplace	England
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

New York, …

Other, age 47

New York, New York · implied b. ~1883 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Farrell
Given Name	Mary
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1896
Age at First Marriage	17
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Inmate
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

New-York-County, New …

Head, age 59

New-York-County, New York · implied b. ~1881 — 2 household members

Surname	Farrell
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	59
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York
1935 Residence (County)	New York
Naturalization Status	Naturalized
Occupation	Cleaning Floorwoman
Industry	Railway Station
Class of Worker	PW
Hours Worked	45
Income (1939)	1100
Highest Grade	No 8
1935 Residence	New York
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Farrell

Head · 1940 · age 59 · b. ~1881 · 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-t0627-02672-00476)

Line	Name	Age	Relation	Occupation	Birthplace
41	Dorothy Mckenna	21	daughter	Statistician	New York
42	Max Seigel	35	Head	Dentist	New York
43	Josephine Seigel	25	wife	—	West Virginia
44	Sol Niedendorfer	55	Head	Clerk	New York
45	Ida Niedendorfer	54	wife	—	New York
46	Paul Feig	57	Head	Salesman	Austria
47	Josephine Feig	53	wife	—	Austria
48	Robert Wattis	23	Head	Special Officer	Mass
49	Dorothy Wattis	24	wife	Nurse	New York
50	Olga Fogarty	31	Head	—	New York
51	Thomas Fogarty	31	Head	Foreman	New York
52	Joan Fogarty	5	daughter	—	—
53	Katherine Cater	61	Head	—	Ireland
54	Anna P. Cater	25	daughter	Typist	New York
55	Albert Schmidt	55	Head	Electrician	New York
56	Dorothy A. Schmidt	34	daughter	Clerk	New York
57	Albert R. Schmidt	22	son	New Worker	New Jersey
58	Joseph Brady	27	Head	Printer	New York
59	Margaret Brady	27	wife	—	Ireland
60	Margaret Brady	2	daughter	—	—
61	William J. Carroll	50	Head	Motor Man	New York
62	Ethel G. Carroll	51	wife	—	England
63	Mary Farrell THIS PERSON	59	Head	Cleaning Floorwoman	Ireland
64	Alexander Farrell	36	son	New Worker	New York
65	John J. Osterberg	31	Head	Clerk	Michigan
66	Hilda Osterberg	29	wife	—	Michigan
67	John Osterberg	1	son	—	—
68	John Phelan	46	Head	Elevator Starter	Ireland
69	Charles Kirchner	62	Head	Laborer	Germany
70	Caroline Kirchner	51	wife	—	New York
71	Edmond Smeaton	56	Head	Clerk	Canada
72	Etta Smeaton	54	wife	—	Scotland
73	Frank Bond	41	Head	Chauffeur	New York
74	Charlotte Bond	41	wife	—	New York
75	Frank Bond	22	son	Stock Clerk	New York
76	Edward Bond	19	son	40	—
77	George Bond	8	son	—	New York
78	Richard Bond	3	son	—	—
79	William Altavini	33	Head	Inspector	New York
80	Viana Altavini	33	wife	—	Michigan

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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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