Harold Clark — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Franklin-County, Ohio

Our Model Tree links this Harold Clark across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Calvin & Cora — first a head (b.~1905), then head of a 7-person household.

Age 35 b. ~1905 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Franklin-County, Ohio
Surname	Clark
Given Name	Harold
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Wauseon
1935 Residence (County)	Fulton
Additional Details
Occupation	Editor
Industry	Newspaper
Class of Worker	PW
Hours Worked	38
Income (1939)	2700
Highest Grade	C 1
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Editor
Township / Ward	Columbus
Est. Birth Year	~1905

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.

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

Name	Relation to head	Relative to Harold	Age	Birth yr
Harold Clark	Head	—	35	~1905
Gerald Clark	Son	—	4	~1936
Patricia Clark	Daughter	—	12	~1928
William Clark	Son	—	10	~1930
Marion Clark	Spouse	—	33	~1907
Marilyn Clark	Daughter	—	8	~1932
James Clark	Son	—	1	~1939

Census Appearances

1920

Franklin, Ohio

Son, age 15

Franklin, Ohio · implied b. ~1905 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Harold
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	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Franklin, Ohio

Son, age 25

Franklin, Ohio · implied b. ~1905 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Harold C
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Ohio
Age at First Marriage	25
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Laborer
Industry	Steam Railroad
Class of Worker	W
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Franklin-County, Ohio

Head, age 35

Franklin-County, Ohio · implied b. ~1905 — 7 household members

Surname	Clark
Given Name	Harold
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Wauseon
1935 Residence (County)	Fulton
Occupation	Editor
Industry	Newspaper
Class of Worker	PW
Hours Worked	38
Income (1939)	2700
Highest Grade	C 1
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

Our Model Tree links Harold Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Calvin Clark (~0.92 confidence) and mother Cora Clark (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Calvin Clark

b. ~1869

Source father

● Household · direct · ~0.92

Mother

Cora Clark

b. ~1877

Source mother

● Household · direct · ~0.92

This person

Anchor record

Harold Clark

Head · 1940 · age 35 · b. ~1905 · 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 — Franklin-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03250-00441)

Line	Name	Age	Relation	Occupation	Birthplace
41	Vera Howard	36	Wife	Teacher	Ohio
42	Edward Howard	18	Son	Clerk	Ohio
43	Edward M. Griffith	66	Head	Foreman	Ohio
44	Margaret Griffith	61	Wife	—	Illinois
45	Frank A. Mason	58	Head	Architect	Ohio
46	Anne Mason	47	Wife	Clerk	Ohio
47	Edwin Stouffer	48	Head	Teacher	Pennsylvania
48	Opal Stouffer	39	Wife	—	Ohio
49	James Stouffer	10	Son	—	Ohio
50	John Stouffer	4	Son	—	Ohio
51	Beryl Worthington	19	Housekeeper	—	Ohio
52	Lawrence Mckarnack	44	Head	Carpenter	Indiana
53	Edith Mckarnack	42	Wife	—	Indiana
54	Ralph Lash	34	Head	Clerk	Ohio
55	Elizabeth Lash	29	Wife	—	Ohio
56	James Lash	5	Son	—	Ohio
57	John R. Gable	30	Head	Pharmacist	Ohio
58	Josephine Gable	31	Wife	—	Ohio
59	Edwin Gable	7	Son	—	Ohio
60	Roger Gable	2	Son	—	Ohio
61	Harold Clark THIS PERSON	35	Head	Editor	Ohio
62	Marion Clark	33	Wife	—	Ohio
63	Patricia Clark	12	Daughter	—	Ohio
64	William D. Clark	10	Son	—	Ohio
65	Marilyn Clark	8	Daughter	—	Ohio
66	Gerald Clark	4	Son	—	Ohio
67	James R. Clark	1	Son	—	Ohio
68	Charles Rinesmith	43	Head	Messenger	Ohio
69	Ruth Rinesmith	40	Wife	—	Ohio
70	John W. Rinesmith	15	Son	—	Ohio
71	Ralph R. Rinesmith	12	Son	—	Ohio
72	Lee E. Seeberger	38	Lodger	Laborer	Pennsylvania
73	Sarah E. Seeberger	30	Lodger	—	Ohio
74	Isaac Seeberger	8	Lodger	—	Ohio
75	Sally Seeberger	5	Lodger	—	Ohio
76	Amos C. Wells	43	Head	Express Messenger	Ohio
77	Minnie G. Wells	44	Wife	Cutter	Ohio
78	Annette M. Hanson	75	Daughter	—	Ohio
79	Eugene E. Brooks	33	Head	Salesman	Missouri
80	Frances Brooks	32	Wife	—	Illinois

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Pedigree Summary

Harold

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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