Bertha Davis — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Henry-County, Ohio

Our Model Tree links this Bertha Davis across the 1920, 1930 and 1940 US Censuses in Henry-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 7-person household.

Age 33 b. ~1907 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Henry-County, Ohio
Surname	Davis
Given Name	Bertha B.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Napoleon village
1935 Residence (County)	Henry
Additional Details
Class of Worker	0
Highest Grade	H-1
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Napoleon Village
Est. Birth Year	~1907

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 Bertha	Age	Birth yr
Ronald Davis	Daughter	—	10	~1930
Norma Davis	Daughter	—	8	~1932
Helen Davis	Daughter	—	12	~1928
Donald Davis	Head	—	36	~1904
Maurice Davis	Son	—	5	~1935
Julian Davis	Son	—	14	~1926
Bertha Davis	Spouse	—	33	~1907

Census Appearances

1920

Henry, Ohio

Other, age 12

Henry, Ohio · implied b. ~1908 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Bertha B
Relationship to Head	Granddaughter
Sex	F
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Henry, Ohio

Other, age 23

Henry, Ohio · implied b. ~1907 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Bertha B
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	23
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	18
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Henry-County, Ohio

Spouse, age 33

Henry-County, Ohio · implied b. ~1907 — 7 household members

Surname	Davis
Given Name	Bertha B.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Napoleon village
1935 Residence (County)	Henry
Class of Worker	0
Highest Grade	H-1
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

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

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This person

Anchor record

Bertha Davis

Spouse · 1940 · age 33 · b. ~1907 · 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 — Henry-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03084-00327)

Line	Name	Age	Relation	Occupation	Birthplace
1	C. B. Routt	27	Head	Manager	Kentucky
2	Margaret Routt	30	Daughter	—	Ohio
3	Billie Routt	8	Granddaughter	—	Ohio
4	Wanda Jane Routt	2	Granddaughter	—	Ohio
5	Ray O. Harrison	47	Head	Proprietor Mechanic	Ohio
6	Lauretta Harrison	45	Wife	—	Ohio
7	La Donna Harrison	18	Daughter	—	Ohio
8	Ray Jr. Harrison	16	Son	Car Washer	Ohio
9	Charles Haley	74	Head	—	Ohio
10	Frances Haley	59	Wife	—	Ohio
11	Paul Babcock	33	Step-son	Laborer	Ohio
12	Russell Babcock	24	Step-son	Laborer	Ohio
13	Martin E. Willeman	56	Head	Laborer	Ohio
14	Florence Willeman	58	Wife	—	Ohio
15	Woodrow Zachrich	25	Son-in-law	Cook	Ohio
16	Esther Zachrich	27	Daughter	—	Ohio
17	Frank L. Palmer	35	Head	Proprietor	Ohio
18	Donelda Palmer	30	Wife	Cook	Ohio
19	James Palmer	13	Son	—	Ohio
20	Donna Jean Palmer	10	Daughter	—	Ohio
21	J. K. Honeck	66	Head	Proprietor	Ohio
22	Lenora Honeck	61	Wife	Proprietress	Missouri
23	J. W. Baker	48	Head	Lineman	Ohio
24	Clara Baker	48	Wife	—	Ohio
25	John Baker	24	Son	Attendant	Ohio
26	Donald V. Davis	36	Head	Truck Driver	Ohio
27	Bertha B. Davis THIS PERSON	33	Wife	—	Ohio
28	Julian Davis	14	Son	—	Ohio
29	Helen Davis	12	Daughter	—	Ohio
30	Ronald Davis	10	Daughter	—	Ohio
31	Norma Davis	8	Daughter	—	Ohio
32	Maurice Davis	5	Son	—	Ohio
33	John J. Zimmer	51	Head	Laborer	Ohio
34	Ellen Zimmer	50	Wife	—	Ohio
35	Donald Zimmer	20	Son	Deliveryman	Ohio
36	John J. Jr. Zimmer	18	Son	48	Ohio
37	James Zimmer	12	Son	—	Ohio
38	Robert Zimmer	9	Son	—	Ohio
39	Mary Finerty	91	Head	—	Ohio
40	Fred Finerty	53	Son	—	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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