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John Mcconnell — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Jefferson, Ohio

Our Model Tree links this John Mcconnell across the 1920 and 1930 US Censuses in Jefferson, Ohio (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 9-person household.

Age 15 b. ~1915 Male Son Born: Ohio Single

1930 Census Record Details

Census Year	1930
Location	Jefferson, Ohio
Surname	McConnell
Given Name	John Jr.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Additional Details
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Knox Township Part Of
Est. Birth Year	~1915

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.

9 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to John	Age	Birth yr
Geneva Mcconnell	Daughter	—	12	~1918
Grace Mcconnell	Daughter	—	20	~1910
Joseph Emsberry	Other	—	53	~1877
Ida Mcconnell	Spouse	—	48	~1882
Isabelle Mcconnell	Daughter	—	5	~1925
Jimmy Mcconnell	Son	—	2	~1928
John Mcconnell	Son	—	15	~1915
Claude Mcconnell	Son	—	10	~1920
John Mcconnell	Head	—	52	~1878

Census Appearances

1920

Jefferson, Ohio

Son, age 4

Jefferson, Ohio · implied b. ~1916 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McConnell
Given Name	John Jr.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	4
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Jefferson, Ohio

Son, age 15

Jefferson, Ohio · implied b. ~1915 — 9 household members

Surname	McConnell
Given Name	John Jr.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links John Mcconnell across 2 US Census years (1920 and 1930) in Jefferson, Ohio, using XGBoost record linkage.

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This person

Anchor record

John Mcconnell

Son · 1930 · age 15 · b. ~1915 · Ohio

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Sibling

Claude Mcconnell

Sibling · 1930 · age 10

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Geneva Mcconnell

Sibling · 1930 · age 12

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Isabelle Mcconnell

Sibling · 1930 · age 5

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Grace Mcconnell

Sibling · 1930 · age 20

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Jimmy Mcconnell

Sibling · 1930 · age 2

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

1930 US Federal Census — Jefferson, Ohio Open full size

Page Contents

50 people indexed on this census page (ia:1930:ohiocensus00reel1824:0473)

Line	Name	Age	Relation	Occupation	Birthplace
51	Carly Wilson	21	Son	Mechanic	Ohio
52	Lloyd Wilson	19	Son	Laborer	Ohio
53	John Mcconnell	52	Head	Farmer	Ohio
54	Ida Mcconnell	48	Wife	—	Ohio
55	Grace Mcconnell	20	Daughter	—	Ohio
56	John Jr. Mcconnell THIS PERSON	15	Son	—	Ohio
57	Geneva Mcconnell	12	Daughter	—	Ohio
58	Claude Mcconnell	10	Son	—	Ohio
59	Jimmy Mcconnell	2	Son	—	Ohio
60	Isabelle Mcconnell	5	Daughter	—	Ohio
61	Joseph Emsberry	53	Boarder	Laborer	West Virginia
62	John Jacobs	55	Head	Farmer	Austria
63	Susan Jacobs	65	Wife	—	Austria
64	Mary Camborsky	37	Niece	—	Austria
65	Jacob Marenkovich	40	Head	Farmer	Serbia
66	Mary Marenkovich	32	Wife	—	Austria
67	Martha Marenkovich	12	Daughter	—	Ohio
68	Martin Marenkovich	9	Son	—	Ohio
69	Helen Marenkovich	4	Daughter	—	Ohio
70	Annie Marenkovich	1	Daughter	—	Ohio
71	Charles Vance	26	Head	Laborer	Ohio
72	Alice Vance	23	Wife	—	Pennsylvania
73	Robert Vance	6	Son	—	Ohio
74	Marilyn Vance	2	Daughter	—	Ohio
75	Fred Casky	63	Head	Farmer	Czechoslovakia
76	Mary Casky	61	Wife	—	Czechoslovakia
77	John Ferguson	9	Grandson	—	Ohio
78	Sarah Foley	68	Head	—	Pennsylvania
79	Harry Foley	37	Son	Finisher	Ohio
80	Donald Foley	32	Son	Laborer	Ohio
81	Kenneth Foley	22	Son	Trucker	Ohio
82	Everett Toray	56	Head	Operator	Pennsylvania
83	Margaret Toray	47	Wife	—	Ohio
84	Ray Mcmasters	35	Head	Laborer	Ohio
85	Annie Mcmasters	35	Wife	—	Ohio
86	Thelma Mcmasters	3	Daughter	—	Ohio
87	Charles Mcmasters	1	Son	—	Ohio
88	Ola Barnhart	46	Head	Laborer	West Virginia
89	Jessie Barnhart	42	Wife	—	Ohio
90	Evelyn Barnhart	23	Daughter	Clerk	Ohio
91	James Barnhart	17	Son	—	Ohio
92	Clinton Barnhart	12	Son	—	Ohio
93	James Owens	65	Head	Miner	West Virginia
94	Ella Owens	56	Wife	—	Ohio
95	Charles Owens	20	Son	—	Ohio
96	Howard Owens	27	Head	Miner	Ohio
97	Minnie Owens	21	Wife	—	Ohio
98	Thelma Owens	4	Daughter	—	Ohio
99	Howard Jr. Owens	2	Son	—	Ohio
100	Michael Baltorinic	40	Head	Pumper	Yugoslavia

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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