Mary Olsen — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Olsen across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 26-person household.

Age 56 b. ~1884 Female Spouse Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Olsen
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	56
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Additional Details
Highest Grade	No 8
1935 Residence	Same Place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	New York City
Est. Birth Year	~1884

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Sister Cahoon	Other	—	31	~1909
Sister Wargant	Other	—	30	~1910
Sister Anderson	Other	—	57	~1883
Sister Castles	Other	—	29	~1911
Sister Huther	Other	—	65	~1875
Mary Olsen	Spouse	—	56	~1884
Joseph Olsen	Head	—	57	~1883
Helen Dayton	Other	—	48	~1892
Mildred Olsen	Daughter	—	18	~1922
Sister Aquinas	Other	—	26	~1914
Sister Doyle	Other	—	52	~1888
Joseph Fanan	Other	—	44	~1896
Mary Fleischer	Other	—	56	~1884
Sister Rathen	Other	—	69	~1871
Sister Kean	Other	—	26	~1914
Thomas Olsen	Son	—	14	~1926
Sister Josephine	Other	—	40	~1900
Sister Kern	Other	—	43	~1897
Sister Clark	Other	—	65	~1875
Morgan Kelly	Other	—	36	~1904
Donald Olsen	Son	—	26	~1914
Sister Mayer	Other	—	23	~1917
Sister Niedermeyer	Other	—	67	~1873
Merritt Yeager	Other	—	40	~1900
Mae Barry	Other	—	36	~1904
Edward Olsen	Son	—	20	~1920

Census Appearances

1930

Kings, New …

Spouse, age 46

Kings, New York · implied b. ~1884 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Olson
Given Name	Mary A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	46
Marital Status	Married
Birthplace	New York
Age at First Marriage	21
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Spouse, age 56

Kings-County, New York · implied b. ~1884 — 26 household members

Surname	Olsen
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	56
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Highest Grade	No 8
1935 Residence	Same Place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Olsen

Spouse · 1940 · age 56 · b. ~1884 · New York

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

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

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02582-00152)

Line	Name	Age	Relation	Occupation	Birthplace
41	William Pembroke	62	Head	Proprietor	New York
42	Josephine Reilly	57	Sister	—	New York
43	Kathleen Reilly	30	Niece	—	Irish Free State
44	James Reilly	7	Nephew	—	New York
45	Kathleen Reilly	6	Niece	—	New York
46	Joseph Olsen	57	Head	Clerk	New York
47	Mary Olsen THIS PERSON	56	Wife	—	New York
48	Donald Olsen	26	Son	Job Printer	New York
49	Edward Olsen	20	Son	Messenger	New York
50	Mildred Olsen	18	Daughter	New Worker	New York
51	Thomas Olsen	14	Son	—	New York
52	Joseph A Fanan	44	Pastor	R.C. Priest	New York
53	Morgan F Kelly	36	Asst	—	New York
54	Merritt E Yeager	40	Asst	—	New York
55	Mae Barry	36	Maid	Maid	New York
56	Helen Dayton	48	Cook	Cook	New York
58	Mary Fleischer	56	Superior	Religion	New York
59	Sister Marie Huther	65	Sister	—	Germany
60	Sister Eustachia Anna Niedermeyer	67	Sister	—	Germany
61	Sister Fidelis Barbara Rathen	69	Sister	—	Bavaria
62	Sister Eucharia Hannah Clark	65	Sister	—	New York
63	Sister Loretta Blanche Anderson	57	Sister	—	New York
64	Sister Charles Joseph Irene Doyle	52	Sister	—	New York
65	Sister Joseph Marie Elizabeth Kern	43	Sister	—	New York
66	Sister Hermine Marie Josephine	40	Sister	—	New York
67	Sister M. Adrienne Margaret Wargant	30	Sister	—	New York
68	Sister Therese Catherine Cahoon	31	Sister	—	New York
69	Sister Rose Aquinas	26	Sister	—	New York
70	Sister Clare Louise Marie Mayer	23	Sister	—	New York
71	Sister Grace Florian Castles	29	Sister	—	New York
72	Sister Rose Patrick Josephine Kean	26	Sister	—	Irish Free State
73	Emili Sipol	60	Head	—	Latvia
74	Elizabeth Hallman	50	Roomer	—	Latvia
75	John Barnes	41	Roomer	Iron Worker	New York
76	Martin Welsh	40	Roomer	Iron Worker	New York
77	William Murray	34	Head	Factory Worker	Scotland
78	Ann Murray	26	Wife	—	Vermont
79	William Murray	5	Son	—	New York
80	Karl Weck	40	Head	Painter	Latvia

Related Census Records

Search for Mary Olsen

All Mary Olsen Census Records Discover Olsen 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