John Griffith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, New York

Our Model Tree links this John Griffith across the 1920, 1930 and 1940 US Censuses in Jefferson-County, New York (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 6-person household.

Age 66 b. ~1874 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Jefferson-County, New York
Surname	Griffith
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Jefferson
1935 Residence (County)	Jefferson
Additional Details
Occupation	Farmer
Industry	Dairying
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Farmer
Est. Birth Year	~1874

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.

6 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
Lila Griffith	Daughter	—	11	~1929
Katherine Griffith	Daughter	—	9	~1931
John Griffith	Head	—	66	~1874
John Griffith	Son	—	6	~1934
Lloyd Griffith	Son	—	17	~1923
Mildred Griffith	Spouse	—	51	~1889

Census Appearances

1920

Jefferson, New …

Head, age 46

Jefferson, New York · implied b. ~1874 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffith
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Single
Birthplace	New York
Father's Birthplace	Wales
Mother's Birthplace	New York
Occupation	Farmer
Industry	General Farm
Class of Worker	OA
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

Jefferson, New …

Head, age 57

Jefferson, New York · implied b. ~1873 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffith
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	57
Marital Status	Single
Birthplace	New York
Father's Birthplace	Wales
Mother's Birthplace	New York
Occupation	Farmer
Industry	General Farm
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	yes
Veteran	No
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Jefferson-County, New …

Head, age 66

Jefferson-County, New York · implied b. ~1874 — 6 household members

Surname	Griffith
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Jefferson
1935 Residence (County)	Jefferson
Occupation	Farmer
Industry	Dairying
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links John Griffith 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 Griffith

Head · 1940 · age 66 · b. ~1874 · New York

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

Original Census Page

1940 US Federal Census — Jefferson-County, New York Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-02544-00116)

Line	Name	Age	Relation	Occupation	Birthplace
41	Niles Stillman	45	Head	Farmer	Wisconsin
42	Mary Stillman	43	Wife	Housewife	Canada
43	Kenneth Stillman	20	Son	Farm Hand	Canada
44	Annie Gale	84	Mother in law	Housewife	Canada
45	John Griffith THIS PERSON	66	Head	Farmer	New York
46	Mildred Griffith	51	Wife	Housewife	New York
47	Lloyd Griffith	17	Son	—	New York
48	Lila Griffith	11	Daughter	—	New York
49	Katherine Griffith	9	Daughter	—	New York
50	John Griffith	6	Son	—	New York
51	Cyril A. Wicks	49	Head	Farmer	New York
52	Grace Ann Wicks	37	Wife	Housewife	New York
53	Albert De Graff	35	Head	Farmer	Indiana
54	Olive De Graff	34	Wife	Housewife	New York
55	Ellen De Graff	14	Daughter	—	New York
56	Roger De Graff	12	Son	—	New York
57	Roland De Graff	10	Son	—	New York
58	F. E. Miner	27	Head	Farm Hand	New York
59	Elsie Miner	24	Wife	Housewife	New York
60	Marian Miner	5	Daughter	—	New York
62	Henry Ulmer	62	Head	Laborer	New York
63	William Roshier	53	Head	Electrician	New York
64	Daniel Ulmer	74	Head	Farmer	New York
65	Jessie Ulmer	54	Wife	Housewife	New York
66	Albert Ulmer	18	Son	—	New York
67	G. H. Randall	59	Head	Bookkeeper	New York
68	L. J. Randall	47	Wife	Housewife	New York
69	M. L. Randall	26	Son	Farmer	New York
70	B. E. Randall	24	Daughter in law	Housewife	New York
71	H. H. Randall	2	2nd Son	—	New York
72	William M. Miner	73	Head	Farmer	New York
73	Janie Miner	48	Daughter	Farmer	New York
74	Harvey Shaw	71	Head	Gardener	Canada-E
75	Rhoda Shaw	65	Wife	Housewife	Canada-E
76	Harry Shaw	33	Head	Mechanic	New York
77	Clarabelle Shaw	29	Wife	Housewife	New York
78	Rose-Marie Shaw	7	Daughter	—	New York
79	Harry G. Shaw	5	Son	—	New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 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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