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John Cassidy — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · None, None

Our Model Tree links this John Cassidy across the 1910 and 1920 US Censuses (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 9-person household.

Age 11 b. ~1909 Male Son Born: New York Single

1920 Census Record Details

Census Year	1920
Location	None, None
Surname	Cassidy
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	11
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	Ireland
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Est. Birth Year	~1909

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Mary Cassidy	Daughter	—	22	~1898
Elizabeth Cassidy	Daughter	—	18	~1902
Margaret Cassidy	Daughter	—	16	~1904
Rose Cassidy	Daughter	—	20	~1900
James Cassidy	Head	—	52	~1868
John Cassidy	Son	—	11	~1909
James Cassidy	Son	—	13	~1907
William Cassidy	Son	—	9	~1911
Rose Cassidy	Spouse	—	50	~1870

Census Appearances

1910

None, None

Son, age 2

None, None · implied b. ~1908 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cassidy
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	2
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	Ireland
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1920

None, None

Son, age 11

None, None · implied b. ~1909 — 9 household members

Surname	Cassidy
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	11
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	Ireland
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 John Cassidy across 2 US Census years (1910 and 1920) in None, None, using XGBoost record linkage.

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This person

Anchor record

John Cassidy

Son · 1920 · age 11 · b. ~1909 · None

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Sibling

Elizabeth Cassidy

Sibling · 1920 · age 18

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

William Cassidy

Sibling · 1920 · age 9

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Margaret Cassidy

Sibling · 1920 · age 16

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Mary Cassidy

Sibling · 1920 · age 22

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Rose Cassidy

Sibling · 1920 · age 20

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

James Cassidy

Sibling · 1920 · age 13

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 — None, None Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1144unit:0092)

Line	Name	Age	Relation	Occupation	Birthplace
1	John Cassidy	40	Head	Operator	Ireland
2	Mary Cassidy	30	Wife	Laborer	Ireland
3	John Cassidy	6	Son	—	New York
4	Mary Cassidy	5	Daughter	—	New York
5	Josephine Cassidy	4	Daughter	—	New York
6	James Cassidy	1	Son	—	New York
7	Patrick Cassidy	32	Cousin	—	Ireland
8	John Cassidy	27	Cousin	Cable	Ireland
9	James Cassidy	52	Head	Cable	New York
10	Rose Cassidy	50	Wife	Proprietor	Ireland
11	Mary Cassidy	22	Daughter	Clerk	New York
12	Rose Cassidy	20	Daughter	Clerk	New York
13	Elizabeth Cassidy	18	Daughter	Operator	New York
14	Margaret Cassidy	16	Daughter	Assistant Cashier	New York
15	James Cassidy	13	Son	Filing	New York
16	John Cassidy THIS PERSON	11	Son	—	New York
17	William Cassidy	9	Son	—	New York
18	Mary Cassidy	53	Head	—	Ireland
19	Mary Cassidy	48	Head	Employee	Ireland
20	John Cassidy	46	Brother	Baker	New York
21	James Cassidy	48	Brother	Laborer	New York
22	Patrick Sheridan	31	Head	—	New York
23	Mary Sheridan	28	Wife	Maidservant	New York
24	Mary Sheridan	1	Daughter	—	New York
25	Catherine Sheridan	45	Sister-in-law	—	Ireland
26	Benjamin Boylan	39	Head	Shipping Clerk	New York
27	Mary Boylan	31	Wife	—	New York
28	John Boylan	57	Uncle	—	New York
29	John Lynch	45	Head	Maintenance	Ireland
30	Mary Lynch	45	Wife	Stenographer	New York
31	Mary Lynch	17	Daughter	Clerk	New York
32	Catherine Lynch	15	Daughter	—	New York
33	John Lynch	13	Son	—	New York
34	James Lynch	11	Son	—	New York
35	Margaret Lynch	8	Daughter	—	New York
36	George Lynch	74	Head	—	Ireland
37	Mary Lynch	60	Wife	—	Ireland
38	Mary Lynch	33	Daughter	—	Ireland
39	Alice Corbett	31	Head	Maid	Ireland
40	Catherine Corbett	30	Lodger	Teacher	Ireland
41	Patrick Mcguire	47	Head	Packer	Ireland
42	Catherine Mcguire	40	Wife	Laborer	Ireland
43	Margaret Mcguire	15	Daughter	—	Ireland
44	John Mcguire	14	Son	—	Ireland
45	Catherine Mcguire	12	Daughter	—	Ireland
46	Mary Mcguire	6	Daughter	—	Massachusetts
47	James Mcguire	4	Son	—	New York
48	John Mcguire	1	Son	—	New York
49	Lucy Nolan	37	Head	—	Ireland
50	Thomas Mcguire	40	Step-father	Worker	Ireland

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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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