John Brock — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Hudson, New Jersey

Our Model Tree links this John Brock across the 1920 and 1930 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 5-person household.

Age 9 b. ~1911 Male Son Born: New York Single

1920 Census Record Details

Census Year	1920
Location	Hudson, New Jersey
Surname	Brock
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	9
Marital Status	Single
Birthplace	New York
Father's Birthplace	England
Mother's Birthplace	England
Additional Details
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Kearny Town
Est. Birth Year	~1911

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 John	Age	Birth yr
Archibald Brock	Son	—	21	~1899
John Brock	Son	—	9	~1911
Gladys Brock	Daughter	—	11	~1909
Amy Brock	Spouse	—	45	~1875
John Brock	Head	—	48	~1872

Census Appearances

1920

Hudson, New …

Son, age 9

Hudson, New Jersey · implied b. ~1911 — 5 household members

Surname	Brock
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	9
Marital Status	Single
Birthplace	New York
Father's Birthplace	England
Mother's Birthplace	England
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Hudson, New …

Son, age 20

Hudson, New Jersey · implied b. ~1910 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brooks
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	20
Marital Status	Single
Birthplace	New York
Father's Birthplace	England
Mother's Birthplace	England
Occupation	Clerk
Industry	Insurance
Class of Worker	W
Can Read/Write	Yes
Veteran	No
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links John Brock across 2 US Census years (1920 and 1930) in Hudson, New Jersey, using XGBoost record linkage.

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This person

Anchor record

John Brock

Son · 1920 · age 9 · b. ~1911 · New Jersey

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Sibling

Archibald Brock

Sibling · 1920 · age 21

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Gladys Brock

Sibling · 1920 · age 11

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

50 people indexed on this census page (ia:1920:14thcensusofpopu1048unit:0762)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary B. Macmillan	72	Wife	None	Scotland
2	Angus S. Macmillan	31	Son	None	New Jersey
3	Emma Brownell	20	Boarder	Machine Oper	Poland
4	Thomas Hope	55	Head	Watchman	England
5	Catherine Hope	50	Wife	None	Scotland
6	Jean Hope	25	Daughter	Bookkeeper	Scotland
7	William Hope	17	Son	Printer	Scotland
8	Agnes Hope	13	Daughter	None	Scotland
9	John Davidson	21	Boarder	Shipping Clerk	Scotland
10	John N. Brock	48	Head	Pressman	England
11	Amy Brock	45	Wife	None	England
12	Archibald Brock	21	Son	Inspector	England
13	Gladys Brock	11	Daughter	None	New York
14	John Brock THIS PERSON	9	Son	None	New York
15	Bartholomew Healy	42	Head	Laborer	Ireland
16	Nora Healy	37	Wife	None	Ireland
17	Bartholomew Healy	11	Son	None	New Jersey
18	Frances N. Healy	5	Daughter	None	New Jersey
19	Wallis Mccormack	31	Head	Carpenter	Scotland
20	Christina Mccormack	28	Wife	None	Scotland
21	Alice Mccormack	3	Daughter	None	New Jersey
22	George Farrer	45	Boarder	Painter	England
23	Albert Greenwood	53	Head	Machinist	England
24	Jane Greenwood	52	Wife	None	England
25	Amos Jr. Field	35	Head	Roll Hand	England
26	Sarah Field	37	Wife	None	New Jersey
27	Evelyn L. Field	4	Daughter	None	New Jersey
28	Ruth G. Field	2	Daughter	None	New Jersey
29	George H. Bostock	37	Head	Bookkeeper	England
30	Alada Bostock	31	Wife	None	Ohio
31	Franklin Bostock	11	Son	None	New Jersey
32	George Bostock	7	Son	None	New Jersey
33	William W. Sommers	37	Head	Owner	New Jersey
34	Sarah A. Sommers	35	Wife	None	New Jersey
35	Natalie M. Sommers	9	Daughter	None	New Jersey
36	William G. Sommers	5	Son	None	New Jersey
37	William W. Sommers	1	Son	None	New Jersey
38	John R. Field	35	Head	Manufacturer	England
39	Margaret Field	34	Wife	None	Pennsylvania
40	Edith Field	15	Daughter	None	New Jersey
41	Gladys Field	11	Daughter	None	New Jersey
42	Elsie Field	8	Daughter	None	New Jersey
43	Alice Field	0	Daughter	None	New Jersey
44	Amos Field	69	Father	None	England
45	William Jr. Nixon	47	Head	Wire Drawer	England
46	Pearl C. Nixon	33	Wife	None	Canada
47	Thomas W. Nixon	12	Son	None	New Jersey
48	Arthur R. Nixon	10	Son	None	New Jersey
49	William Sr. Nixon	80	Father	None	England
50	Helen Nixon	47	Sister	Hatter	England

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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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