Mary Alexander — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Bronx, New York

Our Model Tree links this Mary Alexander across the 1920, 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 4-person household.

Age 60 b. ~1860 Female Head Born: New York Widowed

1920 Census Record Details

Census Year	1920
Location	Bronx, New York
Surname	Alexander
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	60
Marital Status	Widowed
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	City Of New York Borough Of Bronx
Est. Birth Year	~1860

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Katherine Alexander	Daughter	—	16	~1904
Loretta Alexander	Daughter	—	21	~1899
Mary Alexander	Head	—	60	~1860
Florence Hall	Other	—	17	~1903

Census Appearances

1920

Bronx, New …

Head, age 60

Bronx, New York · implied b. ~1860 — 4 household members

Surname	Alexander
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	60
Marital Status	Widowed
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Bronx, New …

Other, age 70

Bronx, New York · implied b. ~1860 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Alexander
Given Name	Mary
Relationship to Head	Mother-in-law
Sex	F
Color / Race	White
Age	70
Marital Status	Widowed
Birthplace	New York
Age at First Marriage	27
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Bronx-County, New …

Other, age 80

Bronx-County, New York · implied b. ~1860 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Alexander
Given Name	Mary
Relationship to Head	Mother in law
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	New York City
Class of Worker	PW
Income (1939)	0
Highest Grade	No 8
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Mary Alexander 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 Alexander

Head · 1920 · age 60 · b. ~1860 · New York

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

Original Census Page

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

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1141unit:0286)

Line	Name	Age	Relation	Occupation	Birthplace
51	William Rimmer	27	Head	—	New York
52	Harry Eyre	26	Head	Bookkeeper	England
53	Margaret Eyre	22	Wife	—	New York
54	Gladys Eyre	4	Daughter	—	New York
55	Harold Eyre	1	Son	—	New York
56	Alice Cavanagh	28	Sister in law	Packer	New York
57	Mary Alexander THIS PERSON	60	Head	—	New York
58	Loretta Alexander	21	Daughter	Clerk	New York
59	Katherine Alexander	16	Daughter	Clerk	New York
60	Florence Hall	17	Boarder	Clerk	New York
61	George Burke	55	Head	Letter Carrier	New York
62	Mary E. Burke	45	Wife	—	New York
63	Edward G. Stone	46	Roomer	Real Estate	New York
64	George C. Stone	14	Roomer	—	New York
65	Frank Roeser	49	Head	Barber	Germany
66	Lena Roeser	47	Wife	—	Germany
67	Babette Roeser	6	Daughter	—	New York
68	Frank Parelli	62	Head	Designer	Italy
69	Mary Parelli	50	Wife	—	Italy
70	John Parelli	25	Son	Clerk	Italy
71	Julius Parelli	22	Son	Clerk	Italy
72	Frank Parelli	21	Son	—	Italy
73	Michel Dorfey	56	Head	Engineer	New Jersey
74	Catherine Dorfey	49	Wife	—	Ireland
75	John Dorfey	22	Son	Bookkeeper	New York
76	Marie Dorfey	20	Daughter	Bookkeeper	New York
77	Francis Dorfey	18	Son	Salesman	New York
78	Anna Dorfey	15	Daughter	—	New York
79	William Butler	47	Head	Waiter	England
80	Elsie Butler	40	Wife	—	Belgium
81	Helen Dunn	37	Roomer	Forelady	New York
82	Andrew Healy	35	Roomer	Clerk	Norway
83	Adelaide Healy	69	Mother in law	—	Germany
84	George Scofield	45	Head	Plumber	New York
85	Mary Scofield	40	Wife	—	Ireland
86	Gladys Scofield	19	Daughter	Operator	New York
87	Mabel Scofield	16	Daughter	—	New York
88	Ruth Scofield	15	Daughter	Student	New York
89	Dorothy Scofield	13	Daughter	—	New York
90	Beatrice Scofield	12	Daughter	—	New York
91	Rita Scofield	10	Daughter	—	New York
92	Ethel Scofield	9	Daughter	—	New York
93	Marion Scofield	7	Daughter	—	New York
94	George Scofield	5	Son	—	New York
95	Bernard Hensler	52	Head	Decorator	New York
96	Charles Hensler	20	Son	Secretary	New York
97	Andreas Taracco	60	Head	Tailor	Italy
98	Matilda Taracco	56	Wife	—	Italy
99	Ernest Taracco	26	Son	Clerk	Italy
100	Rose Taracco	23	Daughter	Teacher	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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