Clarence Campbell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Vermillion-County, Indiana

Our Model Tree links this Clarence Campbell across the 1920, 1930 and 1940 US Censuses in Vermillion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 3-person household.

Age 63 b. ~1877 Male Head Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Vermillion-County, Indiana
Surname	Campbell
Given Name	Clarence
Relationship to Head	Head
Sex	M
Color / Race	White
Age	63
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Helt Township
1935 Residence (County)	Vermillion
Additional Details
Occupation	Merchant
Industry	Retail Grocery Store
Class of Worker	OA
Hours Worked	70
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Merchant
Township / Ward	Helt Township
Est. Birth Year	~1877

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 Clarence	Age	Birth yr
Mabel Campbell	Spouse	—	55	~1885
Clarence Campbell	Son	—	19	~1921
Clarence Campbell	Head	—	63	~1877

Census Appearances

1920

Vermillion, Indiana

Head, age 43

Vermillion, Indiana · implied b. ~1877

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Campbell
Given Name	Clarence B.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Laborer
Industry	Coal Mine
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Vermillion, Indiana

Head, age 53

Vermillion, Indiana · implied b. ~1877 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Clarence
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	35
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Retail Merchant
Industry	Grocery Store
Class of Worker	OA
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	2000
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Vermillion-County, Indiana

Head, age 63

Vermillion-County, Indiana · implied b. ~1877 — 3 household members

Surname	Campbell
Given Name	Clarence
Relationship to Head	Head
Sex	M
Color / Race	White
Age	63
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Helt Township
1935 Residence (County)	Vermillion
Occupation	Merchant
Industry	Retail Grocery Store
Class of Worker	OA
Hours Worked	70
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links Clarence Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Clarence Campbell

Head · 1940 · age 63 · b. ~1877 · Indiana

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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 — Vermillion-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01102-00473)

Line	Name	Age	Relation	Occupation	Birthplace
1	Clarence Kern	54	Head	Laborer	Ohio
2	Mary Etta Kern	52	Wife	—	Ohio
3	Herbert Kern	16	Son	—	Ohio
4	Ivan Akeman	36	Head	Farming	Illinois
5	Mildred Akeman	32	Wife	—	Illinois
6	Mary Louise Akeman	13	Daughter	—	Illinois
7	Clelland James	48	Head	Farmer	Indiana
8	Hazel James	47	Wife	—	Indiana
9	Donald James	17	Son	—	Indiana
10	Emma Groth	79	Head	—	Indiana
11	Charles Menke	16	Hired Hand	—	Illinois
12	C. B. Akeman	66	Head	Farmer	Indiana
13	Daisie D. Akeman	62	Wife	—	Indiana
14	Leo Akeman	31	Son	—	Indiana
15	Ira Harris	68	Head	—	Indiana
16	Emma J. Harris	48	Wife	—	Illinois
17	Ward L. Porter	52	Head	Farmer	Indiana
18	Opal B. Porter	48	Wife	—	Indiana
19	Daniel Phillips	27	Head	Laborer	Illinois
20	Edna Phillips	23	Wife	—	Illinois
21	Flossie Phillips	3	Daughter	—	Illinois
22	Clarence Campbell THIS PERSON	63	Head	Merchant	Indiana
23	Mabel Campbell	55	Wife	—	Indiana
24	Clarence Jr. Campbell	19	Son	Laborer	Indiana
25	Daniel M. Thomas	79	Head	—	Illinois
26	Paul Thomas	50	Son	Farmer	Indiana
27	Leda Hale	44	Head	—	Indiana
28	Mary Featherston	14	Nephew	Hired Hand	Indiana
29	Arthur Wagner	58	Head	Laborer	Tennessee
30	Nancy Wagner	60	Wife	—	Tennessee
31	Marcella Wagner	25	Daughter	—	Indiana
32	Clara Pritchard	68	Head	—	Illinois
33	Alice Gibbons	17	Daughter	—	Indiana
34	Russell Fletcher	47	Head	Laborer	Indiana
35	Alice Fletcher	46	Wife	—	Indiana
36	Marilyn Fletcher	11	Daughter	—	Illinois
37	Terrence Pritchard	54	Head	Rural Mail Carrier	Illinois
38	Mary Pritchard	44	Wife	—	Indiana
39	Agnes Mae Pritchard	18	Daughter	Housekeeper	Indiana
40	Margaret Ann Pritchard	3	Daughter	—	Indiana

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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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