Clara Campbell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Pinellas-County, Florida

Our Model Tree links this Clara Campbell across the 1920, 1930 and 1940 US Censuses in Pinellas-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 5-person household.

Age 63 b. ~1877 Female Head Born: Florida Widowed

1940 Census Record Details

Census Year	1940
Location	Pinellas-County, Florida
Surname	Campbell
Given Name	Clara B.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	63
Marital Status	Widowed
Birthplace	Florida
1935 Residence (City)	Precinct 49
1935 Residence (County)	Pinellas
Additional Details
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida
Township / Ward	Precinct 49
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.

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

Name	Relation to head	Relative to Clara	Age	Birth yr
Lois Brown	Daughter	—	28	~1912
Jo Brown	Other	—	2	~1938
Clara Campbell	Head	—	63	~1877
James Brown	Other	—	30	~1910
Margaret Brown	Other	—	4	~1936

Census Appearances

1920

Pinellas, Florida

Head, age 43

Pinellas, Florida · implied b. ~1877 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Clara B
Relationship to Head	Head
Sex	F
Color / Race	White
Age	43
Marital Status	Widowed
Birthplace	Florida
Father's Birthplace	Florida
Mother's Birthplace	Florida
Occupation	Owner
Industry	Farm
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	F
Birth State	Florida
Birth Country	United States
Year of Naturalization	O
Birthplace (normalized)	florida

1930

Pinellas, Florida

Head, age 53

Pinellas, Florida · implied b. ~1877 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Clara B.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	53
Marital Status	Widowed
Birthplace	Florida
Age at First Marriage	24
Father's Birthplace	Florida
Mother's Birthplace	Florida
Occupation	Manager
Industry	Own Farm
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	H O
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1940

Pinellas-County, Florida

Head, age 63

Pinellas-County, Florida · implied b. ~1877 — 5 household members

Surname	Campbell
Given Name	Clara B.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	63
Marital Status	Widowed
Birthplace	Florida
1935 Residence (City)	Precinct 49
1935 Residence (County)	Pinellas
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

Model Tree

Linked across censuses

Our Model Tree links Clara 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

Clara Campbell

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

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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 — Pinellas-County, Florida Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00611-00174)

Line	Name	Age	Relation	Occupation	Birthplace
1	Leonard G. Carpenter	56	Head	Mason	Canada
2	Mamie S. Carpenter	52	Wife	—	Michigan
3	Mamie L. Carpenter	19	Daughter	Saleswoman	Michigan
4	Southland B. Carpenter	17	Son	New Worker	Michigan
5	Billy Carpenter	16	Son	—	Florida
6	Ruth Ann Carpenter	13	Daughter	—	Florida
7	Sarah Lynne Carpenter	3	Granddaughter	—	Michigan
8	E. Maude Meares	62	Head	—	Kansas
9	Vance B. Meares	27	Son	Operator	Florida
10	Harlie L. Johnston	51	Head	Fuel Operator	Oregon
11	Ella T. Johnston	49	Wife	—	Michigan
12	Anna L. Johnston	17	Daughter	—	Michigan
13	Erik E. Eriksen	55	Lodger	Laborer	Norway
14	Iva W. Mowry	56	Head	—	Pennsylvania
15	Betty Jane Mowry	21	Daughter	—	Pennsylvania
16	Victor J. Schuly	30	Head	Mechanic	Pennsylvania
17	Katherine Schuly	26	Wife	—	Pennsylvania
18	Victor J. Jr. Schuly	6	Son	—	Florida
19	Victor J. Schuly	60	Father	—	Pennsylvania
20	Harold L. Kohler	52	Head	Bookworker	New York
21	Maria Kohler	53	Wife	—	New York
22	George T. Clenney	34	Head	Carpenter	Georgia
23	Hazel H. Clenney	26	Wife	—	Tennessee
24	Caroline F. Clenney	4	Daughter	—	Florida
25	Clara B. Campbell THIS PERSON	63	Head	—	Florida
26	James A. Brown	30	Son in law	Budget Manager	Alabama
27	Lois C. Brown	28	Daughter	—	Florida
28	Margaret L. Brown	4	Granddaughter	—	Florida
29	Jo Anne Brown	2	Granddaughter	—	Florida
30	Charles O. Loyed	26	Head	Salesman	Georgia
31	Zazola M. Loyed	24	Wife	—	Florida
32	Jo Anne Loyed	5	Daughter	—	Florida
33	Delores Ann Loyed	3	Daughter	—	Florida
34	Jesse W. Johnson	36	Head	Operator	Florida
35	Marjorie C. Johnson	34	Wife	—	Florida
36	Richard C. Johnson	11	Son	—	Florida
37	Marilyn Johnson	8	Daughter	—	Florida
38	Christine Johnson	5	Daughter	—	Florida
39	Arnold D. Madsen	40	Head	Operator	New York
40	Vera Madsen	37	Wife	Assistant Operator	Michigan

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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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