Charles Hartman — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lucas-County, Ohio

Our Model Tree links this Charles Hartman across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 3-person household.

Age 55 b. ~1885 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Lucas-County, Ohio
Surname	Hartman
Given Name	Charles W
Relationship to Head	Head
Sex	M
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Providence Twp
1935 Residence (County)	Lucas
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	72
Income (1939)	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Farmer
Township / Ward	Providence Twp
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.

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

Name	Relation to head	Relative to Charles	Age	Birth yr
Josephine Hartman	Spouse	—	58	~1882
Elmer Hartman	Son	—	18	~1922
Charles Hartman	Head	—	55	~1885

Census Appearances

1920

Lucas, Ohio

Head, age 35

Lucas, Ohio · implied b. ~1885 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hartman
Given Name	Charles W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Lucas, Ohio

Head, age 45

Lucas, Ohio · implied b. ~1885 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hartman
Given Name	Charles W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	25
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Farmer
Industry	Farm
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	R
Veteran	No
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Lucas-County, Ohio

Head, age 55

Lucas-County, Ohio · implied b. ~1885 — 3 household members

Surname	Hartman
Given Name	Charles W
Relationship to Head	Head
Sex	M
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Providence Twp
1935 Residence (County)	Lucas
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	72
Income (1939)	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

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

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This person

Anchor record

Charles Hartman

Head · 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 — Lucas-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03105-00641)

Line	Name	Age	Relation	Occupation	Birthplace
1	Dolly L Harrison	65	daughter	—	Ohio
2	Shirley A Harrison	45	daughter	—	Ohio
3	Charles W Hartman THIS PERSON	55	Head	Farmer	Ohio
4	Josephine Hartman	58	wife	—	Ohio
5	Elmer Hartman	18	son	Laborer	Ohio
6	Ora O Yomyers	60	Head	Farmer	Ohio
7	Sadie A Yomyers	56	wife	—	Ohio
8	Lloyd B Yomyers	15	son	—	Ohio
9	Mary C Thong	19	lodger	Maid	Ohio
10	Adam Boos	53	Head	—	Ohio
11	Boyd E Boos	20	son	Farmer	Ohio
12	Floyd E Vollmar	35	Head	Farmer	Ohio
13	Vereda L Vollmar	35	wife	—	Ohio
14	Helen Jane Vollmar	2	daughter	—	Ohio
15	Bernard Wade	40	Head	Laborer	Ohio
16	Gladys M Wade	36	wife	—	Ohio
17	Ruth M Wade	15	daughter	—	Ohio
18	Eillen M Wade	13	daughter	—	Ohio
19	Marvin B Wade	10	son	—	Ohio
20	Phyllis Ann Wade	3	daughter	—	Ohio
21	Melvin H E Wade	1	son	—	Ohio
22	Ray W Hartman	29	Head	Farmer	Ohio
23	Louise E Hartman	25	wife	—	Ohio
24	Deloy W Hartman	4	son	—	Ohio
25	Arthur C Herlitney	45	Head	Farmer	Ohio
26	Gladys B Herlitney	48	wife	—	Ohio
27	Harold E Abbott	32	Head	Fireman	Ohio
28	Ruth Abbott	30	wife	—	Ohio
29	Phyllis M Abbott	2	daughter	—	Ohio
30	Emerson L Abbott	0	son	—	Ohio
31	John H Jennings	62	Head	Farmer	Illinois
32	Emma Jennings	60	wife	—	Ohio
33	Martha Jennings	19	daughter	Beautician	Ohio
34	Charlie Baumberger	48	Head	Farmer	Ohio
35	Carrie E Baumberger	43	wife	—	Ohio
36	Charles E Baumberger	22	son	Laborer	Ohio
37	Wilbur D Baumberger	16	son	—	Ohio
38	Betty Jane Baumberger	15	daughter	—	Ohio
39	Warren W Baumberger	13	son	—	Ohio
40	Billy Dick Baumberger	9	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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