Mary Delaney — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Delaney across the 1920, 1930 and 1940 US Censuses in Rensselaer-County, New York (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 2-person household.

Age 69 b. ~1871 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year	1940
Location	Rensselaer-County, New York
Surname	Delaney
Given Name	Mary Q.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	69
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Troy city
1935 Residence (County)	Rensselaer
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same House
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Troy City
Est. Birth Year	~1871

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 Delaney	Head	—	69	~1871
Katherine Delaney	Daughter	—	38	~1902

Census Appearances

1920

Albany, New …

Spouse, age 50

Albany, New York · implied b. ~1870 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Delaney
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ireland
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

Albany, New …

Head, age 58

Albany, New York · implied b. ~1872 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Delaney
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	58
Marital Status	Widowed
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1888
Age at First Marriage	22
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	6000
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Rensselaer-County, New …

Head, age 69

Rensselaer-County, New York · implied b. ~1871 — 2 household members

Surname	Delaney
Given Name	Mary Q.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	69
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Troy city
1935 Residence (County)	Rensselaer
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same House
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links Mary Delaney 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 Delaney

Head · 1940 · age 69 · b. ~1871 · 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 — Rensselaer-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02758-00913)

Line	Name	Age	Relation	Occupation	Birthplace
41	Marie L. Marsolais	78	Head	—	Canada
42	Mary Doran	47	Daughter	Sewing Mach. Oper.	New York
43	Ellen Doran	21	Grandchild	Mach. Oper.	New York
44	John D. Danaher	41	Head	Plumber	New York
45	Lulu Danaher	45	Wife	—	New York
46	James Danaher	20	Son	New Worker	New York
47	Elizabeth Danaher	18	Daughter	—	New York
48	John Danaher	15	Son	—	New York
49	Curtis Haynes	39	Head	Painter	New York
50	Marion A. Haynes	37	Wife	—	New York
51	Marion Haynes	17	Daughter	School	New York
52	Marvin Haynes	12	Son	—	New York
53	Curtis Haynes	10	Son	—	New York
54	John Haynes	8	Son	—	New York
55	Etta Pheffer	61	Head	—	New York
56	Charles Pheffer	27	Son	Laborer	New York
57	Wesley Pheffer	25	Son	Machine Cutter	New York
58	James J. Reilly	43	Head	Painter	New York
59	Clara Reilly	38	Wife	Pressing Mach. Oper.	New York
60	Catherine Reilly	17	Daughter	—	New York
61	Helen Reilly	15	Daughter	—	New York
62	James Reilly	13	Son	—	New York
63	Robert Reilly	10	Son	—	New York
64	Laraine Meighan	28	Head	Mach. Helper	New York
65	Marion Meighan	27	Wife	—	New York
66	Robert Meighan	9	Son	—	New York
67	Haught, Leona Meighan	13	Sister	—	New York
68	Earl Willsey	46	Head	Auto Mechanic	New York
69	Mary Willsey	37	Wife	—	New York
70	Fred Willsey	9	Son	—	New York
71	Robert Willsey	6	Son	—	New York
72	Donald Willsey	3	Son	—	New York
73	Gladys Willsey	1	Daughter	—	New York
74	Tallman, Effie Willsey	63	Mother-in-law	—	New York
75	Mary Q. Delaney THIS PERSON	69	Head	—	Ireland
76	Katherine Delaney	38	Daughter	Cashiere	New York
77	Catherine Tracey	54	Head	Nurse	New York
78	Laren D. Morse	53	Head	—	New York
79	Caroline Morse	50	Wife	—	New York
80	Marie Morse	28	Daughter	Operator	New York

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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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