Fred Clark — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Champaign-County, Ohio

Our Model Tree links this Fred Clark across the 1920, 1930 and 1940 US Censuses in Champaign-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 4-person household.

Age 65 b. ~1875 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Champaign-County, Ohio
Surname	Clark
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	65
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Urbana City
1935 Residence (County)	Champaign
Additional Details
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Urbana City
Est. Birth Year	~1875

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 Fred	Age	Birth yr
Elizabeth Clark	Daughter	—	25	~1915
Fred Clark	Head	—	65	~1875
Harold Clark	Son	—	36	~1904
Alta Clark	Spouse	—	63	~1877

Census Appearances

1920

Champaign, Ohio

Head, age 45

Champaign, Ohio · implied b. ~1875 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Teamster
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

Champaign, Ohio

Head, age 56

Champaign, Ohio · implied b. ~1874

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Clark
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	56
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	21
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Janitor
Industry	House
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	1700
Veteran	No
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Champaign-County, Ohio

Head, age 65

Champaign-County, Ohio · implied b. ~1875 — 4 household members

Surname	Clark
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	65
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Urbana City
1935 Residence (County)	Champaign
Hours Worked	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 Fred 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

Fred Clark

Head · 1940 · age 65 · b. ~1875 · 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 — Champaign-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03037-00590)

Line	Name	Age	Relation	Occupation	Birthplace
1	Clyde J. Thomas	64	Head	Housekeeper	Ohio
2	Blanche C. Fulton	69	Head	Housekeeper	Ohio
3	Robert C. Geer	28	Head	Salesman	Ohio
4	Pauline S. Geer	28	Wife	—	Ohio
5	Ronald C. Geer	6	Son	—	Ohio
6	Lewis E. Geer	5	Son	—	Ohio
7	Michael L. Geer	3	Son	—	Ohio
8	Phyllis G. Pence	42	Daughter	—	Ohio
9	Peggy H. Pence	10	Daughter	—	Ohio
10	Margaret King	24	Servant	Servant	Pennsylvania
11	Maude Branson	57	Housekeeper	Housekeeper	Ohio
12	Adrian Spain	10	Lodger	—	Ohio
13	Robert Mast	22	Lodger	Toolmaker	Ohio
14	Richard Neville	29	Head	Accountant	Ohio
15	Frances E. Neville	25	Wife	—	Ohio
16	Richard L. Neville	1	Son	—	Ohio
17	Marvin Dasey	25	Head	Dairyman	Ohio
18	Ruth Dasey	19	Wife	—	Ohio
19	Marvin Jr. Dasey	1	Son	—	Ohio
20	Amelia Wetzel	79	Head	—	Ohio
21	Ralph Guggis	53	Head	Machinist	Ohio
22	Lillian Guggis	35	Wife	Weigher	Ohio
23	Naila Willman	66	Head	—	Ohio
24	Fred Clark THIS PERSON	65	Head	—	Ohio
25	Alta Clark	63	Wife	—	Ohio
26	Harold Clark	36	Son	Florist	Ohio
27	Elizabeth A. Clark	25	Daughter	—	Ohio
28	Elbert Blue	22	Head	Truck Driver	Ohio
29	Pauline Blue	21	Wife	Order Clerk	Ohio
30	Anthony Schmidt	56	Head	Machinist	Germany
31	Abbie Schmidt	55	Wife	—	Ohio
32	Charles J. Culley	32	Brother	Electrician	Pennsylvania
33	Francis Gullings	23	Nephew	Clerk	Ohio
34	Vance Barber	43	Head	Truck Driver	Iowa
35	Laura Barber	44	Wife	—	Virginia
36	Mary E. Barber	13	Daughter	—	Ohio
37	Ruth E. Barber	10	Daughter	—	Ohio
38	Martha Barber	6	Daughter	—	Ohio
39	Elizabeth Becker	85	Mother-in-law	—	Virginia
40	Clara Kittibraw	50	Head	Farmer	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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