Clarence Clark — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lucas-County, Ohio

Our Model Tree links this Clarence Clark across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 4-person household.

Age 49 b. ~1891 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Lucas-County, Ohio
Surname	Clark
Given Name	Clarence
Relationship to Head	head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Radnor Park
1935 Residence (County)	Lucas
Additional Details
Occupation	Painter
Industry	Own Business
Class of Worker	OA
Hours Worked	4
Income (1939)	400
Highest Grade	8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Painter
Township / Ward	Radnor Park
Est. Birth Year	~1891

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.

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

Name	Relation to head	Relative to Clarence	Age	Birth yr
Naomi Clark	Spouse	—	37	~1903
Clarence Clark	Head	—	49	~1891
Lois Clark	Daughter	—	15	~1925
Donald Clark	Son	—	13	~1927

Census Appearances

1920

Lucas, Ohio

Head, age 28

Lucas, Ohio · implied b. ~1892 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Clarence
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Conductor
Industry	Street R. R.
Class of Worker	W
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 39

Lucas, Ohio · implied b. ~1891 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Clarence
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	19
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Salesman
Industry	Bread
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	3400
Home Value / Rent	R
Veteran	O
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Lucas-County, Ohio

Head, age 49

Lucas-County, Ohio · implied b. ~1891 — 4 household members

Surname	Clark
Given Name	Clarence
Relationship to Head	head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Radnor Park
1935 Residence (County)	Lucas
Occupation	Painter
Industry	Own Business
Class of Worker	OA
Hours Worked	4
Income (1939)	400
Highest Grade	8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Clarence Clark 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 Clark

Head · 1940 · age 49 · b. ~1891 · 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-t0627-03106-00598)

Line	Name	Age	Relation	Occupation	Birthplace
1	Alvin Longendelfer	9	son	—	Ohio
2	Doris Longendelfer	6	daughter	—	Ohio
3	Norman Grave	40	head	Die Maker	Germany
4	Panney Grave	33	wife	—	Germany
5	Norman Grave	11	son	—	Ohio
6	Hildegard Grave	10	daughter	—	Ohio
7	Richard Grave	7	son	—	Ohio
8	Louise Grave	2	daughter	—	Ohio
9	Cornett Crosby	59	head	Millwright	Ohio
10	Bertha Crosby	53	wife	—	Ohio
11	Hugo Kuntz	39	head	Office Clerk	Ohio
12	Lanetta Kuntz	40	wife	—	Indiana
13	Alice Kuntz	15	daughter	—	Massachusetts
14	Clarence Clark THIS PERSON	49	head	Painter	Ohio
15	Naomi Clark	37	wife	—	Ohio
16	Lois Clark	15	daughter	—	Ohio
17	Donald Clark	13	son	—	Ohio
18	John Jr Jackman	33	head	Teller	Ohio
19	Marjorie Jackman	31	wife	—	Indiana
20	Joseph Hillesheim	35	head	Gardner	Germany
21	Lois Hillesheim	34	wife	Clerk	Ohio
22	Linus Robideau	39	head	Meat Cutter	Michigan
23	Olga Robideau	37	wife	—	Michigan
24	Janette Robideau	11	daughter	—	Ohio
25	Reon Robideau	8	daughter	—	Ohio
26	Ray Warfel	39	head	Mailcarrier	Indiana
27	Dorothy Warfel	36	wife	—	Ohio
28	Ray Jr Warfel	6	son	—	Ohio
29	Janet Warfel	3	daughter	—	Ohio
30	David Bair	32	head	Roofer	Indiana
31	Edna Bair	30	wife	—	Michigan
32	Richard Bair	10	son	—	Ohio
33	Charles Shanks	60	head	Heat Treater	Kentucky
34	Annie Shanks	55	wife	—	Kentucky
35	David Brown	33	head	Tool Grinder	Ohio
36	Louise Brown	30	wife	—	Ohio
37	Nancy Brown	0	daughter	—	Ohio
38	Orin V Koontz	34	head	Tile Layer	Maryland
39	Louise Koontz	35	wife	Counter Saleslady	Pennsylvania
40	Ignatius Krantz	45	head	Welder	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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