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JH

John Hardin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Scioto-County, Ohio

Our Model Tree links this John Hardin across the 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 12-person household.

Age 15 b. ~1925 Male Son Born: Ohio Single

1940 Census Record Details

Census Year	1940
Location	Scioto-County, Ohio
Surname	Hardin
Given Name	John M
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	R
1935 Residence (County)	Scioto
Additional Details
Class of Worker	0
Hours Worked	0
Highest Grade	S 7
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	New Boston
Est. Birth Year	~1925

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Ethel Hardin	Daughter	—	12	~1928
Harry Hardin	Son	—	17	~1923
Sarah Hardin	Other	—	22	~1918
Anna Hardin	Spouse	—	45	~1895
Noni Hardin	Daughter	—	18	~1922
Teddy Hardin	Other	—	36	~1904
Ila Hardin	Daughter	—	19	~1921
Thomas Hardin	Son	—	14	~1926
Thomas Hardin	Head	—	45	~1895
Nannie Hardin	Daughter	—	10	~1930
Carrie Hardin	Daughter	—	17	~1923
John Hardin	Son	—	15	~1925

Census Appearances

1930

Scioto, Ohio

Son, age 5

Scioto, Ohio · implied b. ~1925 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hardin
Given Name	John H
Relationship to Head	Son
Sex	M
Color / Race	White
Age	5
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Kentucky
Mother's Birthplace	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Scioto-County, Ohio

Son, age 15

Scioto-County, Ohio · implied b. ~1925 — 12 household members

Surname	Hardin
Given Name	John M
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	R
1935 Residence (County)	Scioto
Class of Worker	0
Hours Worked	0
Highest Grade	S 7
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

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

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This person

Anchor record

John Hardin

Son · 1940 · age 15 · b. ~1925 · Ohio

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Sibling

Thomas Hardin

Sibling · 1940 · age 14

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Noni Hardin

Sibling · 1940 · age 18

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Ila Hardin

Sibling · 1940 · age 19

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Nannie Hardin

Sibling · 1940 · age 10

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Ethel Hardin

Sibling · 1940 · age 12

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Carrie Hardin

Sibling · 1940 · age 17

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Harry Hardin

Sibling · 1940 · age 17

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

1940 US Federal Census — Scioto-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03141-00546)

Line	Name	Age	Relation	Occupation	Birthplace
1	Morgan Adkins	9	Son	—	Ohio
2	William Adkins	7	Son	—	Ohio
3	Chester R Adkins	5	Son	—	Ohio
4	Edward Craycraft	33	Head	Track Labor	Kentucky
5	Lucy Craycraft	34	Wife	—	Ohio
6	Nola Craycraft	12	Daughter	—	Kentucky
7	William W. Craycraft	7	Son	—	Ohio
8	Norma J. Craycraft	5	Daughter	—	Ohio
9	Thomas W. Q. Hardin	45	Head	Machinist	Kentucky
10	Anna E. Hardin	45	Wife	—	Ohio
11	Ila F. Hardin	19	Daughter	—	Ohio
12	Noni Hardin	18	Daughter	New Worker	Ohio
13	Carrie Hardin	17	Daughter	New Worker	Ohio
14	Harry Hardin	17	Son	—	Ohio
15	John M Hardin THIS PERSON	15	Son	—	Ohio
16	Thomas Jr. Hardin	14	Son	—	Ohio
17	Ethel Hardin	12	Daughter	—	Ohio
18	Nannie Hardin	10	Daughter	—	Ohio
19	Teddy H. Hardin	36	Brother	Installer	Kentucky
20	Sarah H. Hardin	22	Sister-in-law	—	Kentucky
21	Clyde Q Burton	21	Head	Labor	Kentucky
22	Pansy L. Burton	17	Wife	—	Ohio
23	William L. Burton	0	Son	—	Ohio
24	Lois A Burton	18	Sister	—	Kentucky
25	William H. Tolbert	54	Head	Floor Man	Ohio
26	Nellie M. O Tolbert	53	Wife	—	Ohio
27	Homer L. Tolbert	31	Son	Labor	Ohio
28	Lucille K. Tolbert	28	Daughter-in-law	Waitress	Kentucky
29	Fred Cheek	23	Head	Service Station Operator	Kentucky
30	Faye E Cheek	22	Wife	—	Kentucky
31	Fred A. Jarrells	24	Head	Labor	Kentucky
32	Hazel W Jarrells	21	Wife	—	Kentucky
33	Barbara Jarrells	1	Daughter	—	Ohio
34	Clarence A. Clark	42	Head	Wire Drawer	West Virginia
35	Dorothy M. Clark	41	Wife	—	West Virginia
36	Dorothy L. Clark	15	Daughter	—	West Virginia
37	Clarence C. Clark	14	Son	—	West Virginia
38	Carl E. Clark	11	Son	—	Ohio
39	Lillian M. Royster	22	Daughter	—	West Virginia
40	Bobie E. Royster	0	Grandson	—	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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