Mary Mcelroy — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Hudson, New Jersey

Our Model Tree links this Mary Mcelroy across the 1910 and 1920 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 5-person household.

Age 14 b. ~1906 Female Daughter Born: New York Single

1920 Census Record Details

Census Year	1920
Location	Hudson, New Jersey
Surname	McElroy
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
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Jersey City
Est. Birth Year	~1906

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 1920 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
W Mcelroy	Head	—	46	~1874
Mary Mcelroy	Daughter	—	14	~1906
Bertha Mcelroy	Daughter	—	13	~1907
Anna Mcelroy	Spouse	—	46	~1874
Marion Mcelroy	Daughter	—	19	~1901

Census Appearances

1910

Hudson, New …

Daughter, age 4

Hudson, New Jersey · implied b. ~1906 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McElroy
Given Name	Marion
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
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1920

Hudson, New …

Daughter, age 14

Hudson, New Jersey · implied b. ~1906 — 5 household members

Surname	McElroy
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	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Mary Mcelroy across 2 US Census years (1910 and 1920) in Hudson, New Jersey, using XGBoost record linkage.

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This person

Anchor record

Mary Mcelroy

Daughter · 1920 · age 14 · b. ~1906 · New Jersey

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Sibling

Bertha Mcelroy

Sibling · 1920 · age 13

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Marion Mcelroy

Sibling · 1920 · age 19

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 — Hudson, New Jersey Open full size

Page Contents

48 people indexed on this census page (ia:1920:14thcensusofpopu1045unit:0904)

Line	Name	Age	Relation	Birthplace
51	Martin Donahue	37	Head	New Jersey
52	Catherine Donahue	39	Wife	New Jersey
53	Mary E. Donahue	8	Daughter	New Jersey
54	Gregory Donahue	50	Head	New Jersey
55	Elizabeth Donahue	45	Wife	France
56	Emily Donahue	17	Daughter	New Jersey
57	Andrew Suggs	28	Lodger	Pennsylvania
58	Lillian Suggs	25	Lodger	New Jersey
59	Harry Specht	31	Lodger	New York
60	John Cowan	71	Head	Ireland
61	Jane Cowan	71	Wife	Ireland
62	Isabella Cowan	40	Daughter	New York
63	Bessie C. Cowan	34	Daughter	New Jersey
64	W. Mcelroy	46	Head	New York
65	Anna Mcelroy	46	Wife	New York
66	Marion Mcelroy	19	Daughter	New York
67	Mary E. Mcelroy THIS PERSON	14	Daughter	New York
68	Bertha Mcelroy	13	Daughter	New York
69	George Crawford	40	Head	New Jersey
70	Edith Crawford	34	Wife	New Jersey
71	Earl Crawford	10	Son	New Jersey
72	George Crawford	4	Son	New Jersey
73	Russell Crawford	0	Son	New Jersey
74	Elmer Gomshie	21	Lodger	New Jersey
75	Elizabeth Gomshie	68	Lodger	New Jersey
76	James Stuart	67	Head	Ireland
77	Mary A. Stuart	66	Wife	New York
78	George Stuart	34	Son	New Jersey
79	James Williamson	44	Head	Scotland
80	Annie Williamson	40	Wife	Scotland
81	Frank Williamson	17	Son	Scotland
82	Mae Williamson	15	Daughter	Scotland
83	Jessie Williamson	13	Daughter	Canada
84	James Jr. Williamson	12	Son	Scotland
85	John Williamson	7	Son	Scotland
86	Edward Morris	55	Head	New Jersey
87	Ida Morris	54	Wife	Pennsylvania
88	Walter Morris	19	Son	New Jersey
89	Edith Morris	17	Daughter	New Jersey
90	Minnie Morris	14	Daughter	New Jersey
91	Vincent Morris	9	Son	New Jersey
92	Russell Ware	34	Head	New York
93	Frances Ware	36	Wife	Ireland
94	Anna Ware	12	Daughter	New Jersey
95	William Armstrong	36	Head	New York
96	Anna M. Armstrong	34	Wife	New Jersey
97	Rita Armstrong	11	Daughter	New York
98	Muriel Armstrong	4	Daughter	New Jersey

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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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