John Griffith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, Ohio

Our Model Tree links this John Griffith across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 2-person household.

Age 71 b. ~1869 Male Head Born: Ohio Widowed

1940 Census Record Details

Census Year	1940
Location	Jefferson-County, Ohio
Surname	Griffith
Given Name	John E
Relationship to Head	Head
Sex	M
Color / Race	White
Age	71
Marital Status	Widowed
Birthplace	Ohio
1935 Residence (City)	Springfield
1935 Residence (County)	Jefferson
Additional Details
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Springfield
Est. Birth Year	~1869

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Elma Griffith	Daughter	—	37	~1903
John Griffith	Head	—	71	~1869

Census Appearances

1920

Clark, Ohio

Head, age 53

Clark, Ohio · implied b. ~1867 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffith
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Labor
Industry	Wheel Shop
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Clark, Ohio

Head, age 64

Clark, Ohio · implied b. ~1866 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffith
Given Name	John E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	24
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Welder
Industry	Boiler Plant
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	3000
Radio Set	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Jefferson-County, Ohio

Head, age 71

Jefferson-County, Ohio · implied b. ~1869 — 2 household members

Surname	Griffith
Given Name	John E
Relationship to Head	Head
Sex	M
Color / Race	White
Age	71
Marital Status	Widowed
Birthplace	Ohio
1935 Residence (City)	Springfield
1935 Residence (County)	Jefferson
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

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 71 · b. ~1869 · Ohio

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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, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03091-00070)

Line	Name	Age	Relation	Occupation	Birthplace
41	Wilma Lewandowski	56	wife	—	Poland
42	Henry S Lewandowski	27	son	Coal Miner	Ohio
43	Walter T Lewandowski	24	son	Coal Miner	Ohio
44	Roy A Turney	33	Head	Mail Carrier	Ohio
45	Marie E Turney	29	wife	—	Ohio
46	James W Turney	6	son	—	Ohio
47	Marguerite Turney	1	Daughter	—	Ohio
48	Charles R Warrington	38	Head	Coal Miner	Ohio
49	Florence K Warrington	28	wife	—	Ohio
50	June Warrington	9	Daughter	—	Ohio
51	Charlie L Jr Warrington	7	son	—	Ohio
52	Russell L Warrington	1	son	—	Ohio
53	Joseph Warrington	70	Father	Coal Miner	Ohio
54	John Peterson	71	Head	—	Ohio
55	Margaret Peterson	68	wife	—	Ohio
56	William C Busby	69	friend	—	Ohio
57	James Hart	59	Head	Coal Miner	Scotland
58	Jane Hart	60	wife	—	England
59	David G Hart	32	son	Coal Miner	Ohio
60	John E Hart	19	son	Newsworker	Ohio
61	Herschel Baker	40	Head	Farmer	Ohio
62	Vernice Baker	35	wife	—	Ohio
63	Harvey Baker	11	son	—	Ohio
64	James Baker	8	son	—	Ohio
65	William Baker	6	son	—	Ohio
66	Mary A Baker	3	Daughter	—	Ohio
67	John E Griffith THIS PERSON	71	Head	—	Ohio
68	Elma Griffith	37	Daughter	—	Ohio
69	Harry C W Baker	50	Head	Coal Miner	Ohio
70	Martha A Baker	50	wife	—	Ohio
71	Donald Baker	28	son	Coal Miner	Ohio
72	Ernest Baker	21	son	Coal Miner	Ohio
73	Denver Baker	19	son	Farm Helper	Ohio
74	Boyd F Baker	17	son	—	Ohio
75	Harry Jr Baker	15	son	—	Ohio
76	William T Baker	13	son	—	Ohio
77	George C Baker	26	son	Coal Miner	Ohio
78	May Baker	20	Daughter in law	—	England
79	George Jr Baker	4	Grandson	—	Ohio
80	Lucinda Mcclave	78	Head	—	Ohio

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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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