Nellie Campbell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Allen-County, Ohio

Our Model Tree links this Nellie Campbell across the 1920, 1930 and 1940 US Censuses in Allen-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.

Age 55 b. ~1885 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Allen-County, Ohio
Surname	Campbell
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Lima city
1935 Residence (County)	Allen
Additional Details
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Lima City
Est. Birth Year	~1885

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.

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

Name	Relation to head	Relative to Nellie	Age	Birth yr
Myrtle Runion	Other	—	20	~1920
Guy Campbell	Head	—	56	~1884
Harold Campbell	Son	—	19	~1921
Helen Campbell	Daughter	—	19	~1921
Nellie Campbell	Spouse	—	55	~1885
James Campbell	Other	—	10	~1930

Census Appearances

1920

Allen, Ohio

Spouse, age 34

Allen, Ohio · implied b. ~1886 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
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

Allen, Ohio

Spouse, age 44

Allen, Ohio · implied b. ~1886 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	19
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Allen-County, Ohio

Spouse, age 55

Allen-County, Ohio · implied b. ~1885 — 6 household members

Surname	Campbell
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Lima city
1935 Residence (County)	Allen
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Nellie 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

Nellie Campbell

Spouse · 1940 · age 55 · b. ~1885 · 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 — Allen-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03021-00248)

Line	Name	Age	Relation	Occupation	Birthplace
1	Jake L. Gross	38	Head	Owner	Georgia
2	Jean Gross	30	Wife	—	Ohio
3	Lon Gross	6	Son	—	Ohio
4	Ira J. Newell	60	Head	Carpenter	Ohio
5	Lloyd Newell	30	Son	Presser	Ohio
6	Edward J. Hackett	44	Son-in-law	Brick Layer	Illinois
7	Ethel L. Hackett	37	Daughter	—	Ohio
8	Kenneth E. Hackett	1	Grandson	—	Indiana
9	Richard Dennis	30	Head	Manager	Ohio
10	Eileen E. Dennis	34	Wife	Sales Lady	Ohio
11	Dalton Dennis	9	Son	—	California
12	Dean Dennis	8	Son	—	Ohio
13	Enos E. Sherrick	45	Head	Bookkeeper	Ohio
14	Frances M. Watt	50	Sister	—	Ohio
15	Wesley L. Kinnella	29	Head	Lawyer	Ohio
16	Dorothy Kinnella	28	Wife	—	Ohio
17	Wesley L. Kinnella	3	Son	—	Ohio
18	Theodore Kinnella	2	Son	—	Ohio
19	Eugene C. North	71	Uncle	—	Ohio
20	Thelma Le Marr	23	Lodger	Maid	Ohio
21	Clara B. Mccarty	72	Head	—	Ohio
22	Charles Mcdennes	70	Brother	—	Ohio
23	Guy Campbell	56	Head	—	Ohio
24	Nellie Campbell THIS PERSON	55	Wife	—	Ohio
25	Harold Campbell	19	Son	Laborer	Ohio
26	Helen Campbell	19	Daughter	—	Ohio
27	James D. Campbell	10	Grandson	—	Ohio
28	Myrtle Runion	20	Lodger	Cashier	Ohio
29	—	None	—	—	—
30	Vera Thomas	45	Head	Maid	Ohio
31	Edward Thomas	20	Son	Laborer	Ohio
32	Paul Thomas	12	Son	—	Ohio
33	Mary M. Thomas	15	Daughter	—	Ohio
34	Elmer Dutton	23	Head	Lineman	Ohio
35	Betty Dutton	19	Wife	—	Oklahoma
36	Leo D. Heldmes	42	Head	Estimator	Ohio
37	Zelma L. Heldmes	42	Wife	—	Indiana
38	Thomas Heldmes	8	Son	—	Ohio
39	Samuel Mccanney	69	Father-in-law	—	Iowa
40	Mary Sieber	74	Head	—	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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