Mary Murdock — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Murdock across the 1930 and 1940 US Censuses in Montgomery-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 5-person household.

Age 17 b. ~1923 Female Daughter Born: New York Single

1940 Census Record Details

Census Year	1940
Location	Montgomery-County, New York
Surname	Murdock
Given Name	Mary W.
Relationship to Head	daughter
Sex	F
Color / Race	White
Age	17
Marital Status	Single
Birthplace	New York
1935 Residence (City)	Amsterdam City
1935 Residence (County)	Montgomery
Additional Details
Hours Worked	0
Highest Grade	H 4
1935 Residence	Same house
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Amsterdam City
Est. Birth Year	~1923

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
David Murdock	Head	—	50	~1890
Robert Murdock	Son	—	12	~1928
Mary Murdock	Daughter	—	17	~1923
Kathleen Murdock	Spouse	—	45	~1895
Daniel Murdock	Son	—	22	~1918

Census Appearances

1930

Montgomery, New …

Daughter, age 7

Montgomery, New York · implied b. ~1923 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Murdoch
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	7
Marital Status	Single
Birthplace	New York
Father's Birthplace	Scotland
Mother's Birthplace	New York
Occupation	none
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Montgomery-County, New …

Daughter, age 17

Montgomery-County, New York · implied b. ~1923 — 5 household members

Surname	Murdock
Given Name	Mary W.
Relationship to Head	daughter
Sex	F
Color / Race	White
Age	17
Marital Status	Single
Birthplace	New York
1935 Residence (City)	Amsterdam City
1935 Residence (County)	Montgomery
Hours Worked	0
Highest Grade	H 4
1935 Residence	Same house
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Murdock

Daughter · 1940 · age 17 · b. ~1923 · New York

★ You are viewing this record

Sibling

Robert Murdock

Sibling · 1940 · age 12

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Daniel Murdock

Sibling · 1940 · age 22

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

1940 US Federal Census — Montgomery-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02681-00897)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mary W. Power	57	wife	—	New York
42	David T. Murdock	50	head	Quality Dept.	Scotland
43	Kathleen M. Murdock	45	wife	—	New York
44	Daniel G. Murdock	22	son	—	New York
45	Mary W. Murdock THIS PERSON	17	daughter	—	New York
46	Robert G. Murdock	12	son	—	New York
47	Percy E. Earl	52	head	Foreman Weaver	New York
48	Alice M. Earl	44	wife	—	England
49	Arthur R. Mcdonald	55	head	Foreman Electrician	Maine
50	Irene M. Mcdonald	44	wife	—	New York
51	Marjorie J. Mcdonald	21	daughter	Stenographer	Massachusetts
52	Arthur R. Jr. Mcdonald	19	son	—	New York
53	George H. Mcdonald	16	son	Delivery Boy	New York
54	James E. Mcdonald	10	son	—	New York
55	Joseph T. Ambrose	27	head	Felt-Rug Printer	Massachusetts
56	Ruth E. Ambrose	24	wife	—	New York
57	William J. Campbell	48	head	Personal-Mgr.	North. Ireland
58	Lulla May Campbell	45	wife	—	New York
59	Michael E. Fitzgerald	44	head	Insurance Manager	New York
60	Dorothy G. Fitzgerald	48	wife	—	Connecticut
61	Edward M. Fitzgerald	21	son	Laborer	New York
62	John F. Fitzgerald	19	son	—	New York
63	Dorothy G. Fitzgerald	15	daughter	—	New York
64	Geraldine J. Fitzgerald	10	daughter	—	New York
65	Ralph Dudas	56	head	Picker	Lithuania
66	Mary Dudas	29	daughter	Winder	New York
67	Betty Dudas	26	daughter	Stenographer	New York
68	Diana Dudas	24	daughter	Saleslady	New York
69	George Stanley	47	step-son	Electrician	Lithuania
70	Frank Karla	34	head	Truck-Driver	New York
71	Mary K. Karla	32	wife	—	New York
72	Frank R. Karla	2	son	—	New York
73	Elroy F. Swers	37	head	Delivery-Man	New York
74	Alma Swers	41	wife	—	New York
75	June E. Swers	17	daughter	—	New York
76	Phyllis May Swers	10	daughter	—	New York
77	Paula Alma Swers	4	daughter	—	New York
78	Edwin B. Swers	2	son	—	New York
79	Ina L. Swers	0	daughter	—	New York
80	Albert T. Wells	72	head	Janitor	North. Ireland

Search for Mary Murdock

All Mary Murdock Census Records Discover Murdock Family Tree

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)

Report inaccurate data