John Shields — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Logan-County, Ohio

Our Model Tree links this John Shields across the 1920, 1930 and 1940 US Censuses in Logan-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 3-person household.

Age 51 b. ~1889 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Logan-County, Ohio
Surname	Shields
Given Name	John O.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	McArthur Twp.
1935 Residence (County)	Logan
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	24
Income (1939)	134
Highest Grade	8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Farmer
Township / Ward	Mcarthur Twp
Est. Birth Year	~1889

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Morris Shields	Son	—	22	~1918
Norma Shields	Spouse	—	47	~1893
John Shields	Head	—	51	~1889

Census Appearances

1920

Logan, Ohio

Head, age 30

Logan, Ohio · implied b. ~1890 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Shields
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Farmer
Industry	General farm
Class of Worker	Em
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Year of Naturalization	R
Birthplace (normalized)	ohio

1930

Logan, Ohio

Head, age 41

Logan, Ohio · implied b. ~1889 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Shields
Given Name	John E.
Relationship to Head	head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	24
Father's Birthplace	Ohio
Mother's Birthplace	Virginia
Occupation	Farmer
Industry	General farm
Class of Worker	OA
Can Read/Write	Yes
Home Owned/Rented	O
Radio Set	R
Veteran	No
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Logan-County, Ohio

Head, age 51

Logan-County, Ohio · implied b. ~1889 — 3 household members

Surname	Shields
Given Name	John O.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	McArthur Twp.
1935 Residence (County)	Logan
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	24
Income (1939)	134
Highest Grade	8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links John Shields 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 Shields

Head · 1940 · age 51 · b. ~1889 · 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 — Logan-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03100-00512)

Line	Name	Age	Relation	Occupation	Birthplace
41	Robert H. Black	23	Son	—	Ohio
42	Betty Black	18	Daughter	—	Ohio
43	Miriam Black	16	Daughter	—	Ohio
44	Faye Pool	45	Head	Farmer	Ohio
45	Lucille Pool	33	Wife	—	Ohio
46	Faye Jr. Pool	12	Son	—	Ohio
47	Bernard Pool	13	Son	—	Ohio
48	Jean Pool	12	Daughter	—	Ohio
49	James Pool	10	Son	—	Ohio
50	Robert Pool	6	Son	—	Ohio
51	Eddy Lee Pool	4	Son	—	Ohio
52	Russell Pool	2	Son	—	Ohio
53	Roger Eugene Pool	0	Son	—	Ohio
54	Ray E. Smith	45	Head	Farmer	Ohio
55	Cleo O. Smith	45	Wife	—	Ohio
56	Gary Smith	19	Son	Laborer	Ohio
57	Audree Smith	16	Daughter	—	Ohio
58	Lawrence W. Shaffer	26	Head	Assistant Farmer	Ohio
59	Beatrice Shaffer	25	Wife	—	Ohio
60	Phillis Joan Shaffer	7	Daughter	—	Ohio
61	Maxine Shaffer	4	Daughter	—	Ohio
62	Pauline Shaffer	2	Daughter	—	Ohio
63	Owen W. Woodruff	50	Head	Farmer	Ohio
64	William Woodruff	20	Son	Laborer	Ohio
65	Joe T. Woodruff	16	Son	—	Ohio
66	Maggie Hayes	35	Housekeeper	Housekeeper	Ohio
67	John O. Shields THIS PERSON	51	Head	Farmer	Ohio
68	Norma Shields	47	Wife	—	Ohio
69	Morris Shields	22	Son	Laborer	Ohio
70	Frank Gonterman	31	Head	Farmer	Missouri
71	Mary Gonterman	27	Wife	—	Ohio
72	Ronald Gonterman	3	Son	—	Ohio
73	Sammy K. Gonterman	0	Son	—	Ohio
74	Harry E. Watkins	60	Head	—	Ohio
75	Ruth E. Watkins	40	Wife	—	Ohio
76	Elizabeth J. Watkins	9	Daughter	—	Ohio
77	Luther G. Miller	63	Head	Farmer	Ohio
78	Bertha Miller	60	Wife	—	Ohio
79	Florence Cummins	53	Head	—	Ohio
80	Roy Cummins	29	Son	Farmer	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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