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Mary Keller — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Westchester, New York

Our Model Tree links this Mary Keller across the 1920 and 1930 US Censuses in Westchester, New York (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 8-person household.

Age 4 b. ~1916 Female Daughter Born: New York Single

1920 Census Record Details

Census Year	1920
Location	Westchester, New York
Surname	Keller
Given Name	Mary E.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	4
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Additional Details
Can Write	Yes
Speaks English	none
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	White Plains
Est. Birth Year	~1916

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.

8 people recorded at the same address in the 1920 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Keller	Daughter	—	4	~1916
Clara Keller	Daughter	—	11	~1909
Rebecca Keller	Daughter	—	9	~1911
Harry Keller	Head	—	32	~1888
Robert Keller	Son	—	7	~1913
Thomas Keller	Son	—	2	~1918
Harry Keller	Son	—	12	~1908
Ellen Keller	Spouse	—	33	~1887

Census Appearances

1920

Westchester, New …

Daughter, age 4

Westchester, New York · implied b. ~1916 — 8 household members

Surname	Keller
Given Name	Mary E.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	4
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Write	Yes
Speaks English	none
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Westchester, New …

Daughter, age 14

Westchester, New York · implied b. ~1916 — 17 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Keeler
Given Name	Mary E
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	14
Marital Status	Single
Birthplace	New York
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

Model Tree

Linked across censuses

Our Model Tree links Mary Keller across 2 US Census years (1920 and 1930) in Westchester, New York, using XGBoost record linkage.

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This person

Anchor record

Mary Keller

Daughter · 1920 · age 4 · b. ~1916 · New York

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Sibling

Clara Keller

Sibling · 1920 · age 11

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Harry Keller

Sibling · 1920 · age 12

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Rebecca Keller

Sibling · 1920 · age 9

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Thomas Keller

Sibling · 1920 · age 2

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Robert Keller

Sibling · 1920 · age 7

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

1920 US Federal Census — Westchester, New York Open full size

Page Contents

45 people indexed on this census page (ia:1920:14thcensusofpopu1279unit:0392)

Line	Name	Age	Relation	Occupation	Birthplace
51	Frank B. Fowler	42	Head	Real Estate	New York
52	Beulah M. Fowler	38	Wife	None	New York
53	William C. Fowler	41	Brother	Carpenter	New York
54	Katherine A. Lynch	48	Maid	Housework	New York
55	Frederick A. Lynch	10	Maid	None	New York
56	Charles H. Dervana	65	Head	Superintendent	Connecticut
57	Myra J. Dervana	54	Wife	None	New York
58	Clara G. Dervana	20	Daughter	Teacher	New York
59	Miriam Dervana	16	Daughter	None	New York
60	Joseph Blanstein	45	Head	Proprietor	New York
61	Frances Blanstein	31	Wife	None	New York
62	Anita V. Blanstein	6	Daughter	None	New York
63	Ollina Bertis	45	Head	None	Italy
64	Tony Bertis	17	Son	Waiter	New York
65	Louise Bertis	15	Daughter	Salesgirl	New York
66	Bela A. Bertis	12	Daughter	None	Connecticut
67	Mrs. Rebecca H. Keller	63	Head	None	Canada
68	Harry C. Keller	32	Head	Freight Conductor	New York
69	Ellen Keller	33	Wife	None	New York
70	Harry C. Keller	12	Son	None	New York
71	Clara L. Keller	11	Daughter	None	New York
72	Rebecca P. Keller	9	Daughter	None	New York
73	Robert H. Keller	7	Son	None	New York
74	Mary E. Keller THIS PERSON	4	Daughter	—	New York
75	Thomas Keller	2	Son	—	New York
76	Oswald Mueller	47	Head	Machinist	Germany
77	Elizabeth Mueller	50	Wife	Dressmaking	Germany
78	Elsa Mueller	20	Daughter	Dressmaking	Germany
79	John R. Scales	41	Head	Merchant	North Carolina
80	Jessie C. Scales	31	Wife	None	New Jersey
81	Mrs. Katherine Markey	59	Head	None	Ireland
82	Edward J. Markey	27	Son	Chauffeur	New York
83	Thomas G. Markey	21	Son	Machinist	New York
84	Charles H. Markey	19	Son	None	New York
85	Edward S. Adams	25	Head	Lubricator	New York
86	Bessie L. Adams	19	Wife	None	New York
87	David N. Davis	22	Head	Clerk	Vermont
88	Mrs. David Davis	30	Wife	None	Vermont
89	Robert D. Sarles	25	Head	Yard Master	New York
90	Leah M. Sarles	26	Wife	None	New York
91	Robert J. Sarles	4	Son	—	New York
92	Richard D. Sarles	3	Son	—	New York
93	Dorothy A. Sarles	1	Daughter	—	New York
94	William G. Boyles	20	Brother	Electrician	New York
95	Willard Anderson	30	Roomer	Manager	New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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