John Blake — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Rockland, New York

Our Model Tree links this John Blake across the 1920, 1930 and 1940 US Censuses in Rockland, New York (XGBoost, ~Confirmed) — first a head (b.~1854), then head of a 4-person household.

Age 66 b. ~1854 Male Head Born: New York Married

1920 Census Record Details

Census Year	1920
Location	Rockland, New York
Surname	Blake
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New York
Father's Birthplace	Germany
Mother's Birthplace	New York
Additional Details
Occupation	Laborer
Industry	General
Class of Worker	W
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
Occupation	Laborer
Township / Ward	Town Of Haverstraw Election Dist 4
Est. Birth Year	~1854

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 John	Age	Birth yr
Mary Blake	Spouse	—	53	~1867
William Blake	Son	—	24	~1896
John Blake	Head	—	66	~1854
Ronald Blake	Son	—	19	~1901

Census Appearances

1920

Rockland, New …

Head, age 66

Rockland, New York · implied b. ~1854 — 4 household members

Surname	Blake
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New York
Father's Birthplace	Germany
Mother's Birthplace	New York
Occupation	Laborer
Industry	General
Class of Worker	W
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

Rockland, New …

Other, age 75

Rockland, New York · implied b. ~1855 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Blake
Given Name	John
Relationship to Head	Father-in-law
Sex	M
Color / Race	White
Age	75
Marital Status	Married
Birthplace	New York
Age at First Marriage	22
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read/Write	Yes
Veteran	No
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Rockland-County, New …

Other, age 86

Rockland-County, New York · implied b. ~1854 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Blake
Given Name	John
Relationship to Head	Step-father
Sex	M
Color / Race	White
Age	86
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Sloatsburg Village
1935 Residence (County)	Rockland
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links John Blake across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Blake

Head · 1920 · age 66 · b. ~1854 · 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 — Rockland, New York Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1259unit:0220)

Line	Name	Age	Relation	Occupation	Birthplace
1	Cranmer Waldron	52	Head	Carpenter	New York
2	Lena Waldron	47	Wife	—	New York
3	Edith Waldron	23	Daughter	Clerk	New York
4	Frank Waldron	21	Son	—	New York
5	Kenneth Waldron	18	Son	Machinist	New York
6	Alpha Waldron	16	Daughter	—	New York
7	Albert Waldron	11	Son	—	New York
8	Anthony Radner	36	Head	Manager	New York
9	Harriet Radner	32	Wife	—	New York
10	Avery C. Radner	6	Son	—	New York
11	Viola Rose	6	Step-niece	—	New York
12	Jean Milani	54	Head	Upholsterer	France
13	Mary Milani	56	Wife	—	France
14	Blanche Flint	26	Daughter	Nurse	New York
15	John Flint	8	Son-in-law	—	New York
16	James H. Belthop	42	Head	Laborer	North Carolina
17	Mary Belthop	35	Wife	—	North Carolina
18	Robert Belthop	18	Son	Laborer	North Carolina
19	James Jr. Belthop	11	Son	—	North Carolina
20	Edith Marie Belthop	2	Daughter	—	New Jersey
21	George Lee Belthop	1	Son	—	New York
22	William Conklin	39	Head	Carpenter	New York
23	Alice Conklin	32	Wife	—	New York
24	Ethel Conklin	15	Daughter	Milliner	New York
25	Mildred Conklin	12	Daughter	—	New York
26	Orville Conklin	11	Son	—	New York
27	Ellwood Conklin	8	Son	—	New York
28	Alice Conklin	6	Daughter	—	New York
29	Michael Callaghan	30	Head	Electrician	Ireland
30	Helen Callaghan	28	Sister	—	Ireland
31	Frank Callaghan	24	Brother	Plumber	Ireland
32	James Callaghan	17	Brother	Clerk	Ireland
33	James Sinclair	32	Head	Stenographer	Ireland
34	Edna M. Sinclair	32	Wife	—	Canada
35	Bertha Parliament	40	Head	Dressmaker	New York
36	Harry Parliament	18	Son	Laborer	New York
37	Sarah Parliament	17	Daughter	Laborer	New York
38	Margaret Parliament	14	Daughter	—	New York
39	William Kelly	70	Head	Manager	New York
40	Mary Jane Kelly	58	Wife	—	New York
41	John Blake THIS PERSON	66	Head	Laborer	New York
42	Mary Blake	53	Wife	—	New York
43	William Blake	24	Son	Laborer	New York
44	Ronald Blake	19	Son	Laborer	New York
45	Edward Brentnall	36	Head	Fireman	New York
46	Lucy Brentnall	25	Wife	—	New York
47	Edward Brentnall	8	Son	—	New York
48	Harold Brentnall	5	Son	—	New York
49	Susan Mary Brentnall	1	Daughter	—	New York
50	Edward A. Barley	41	Head	Carpenter	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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