Clarence Cook — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · St.-Joseph-County, Michigan

Our Model Tree links this Clarence Cook across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 3-person household.

Age 64 b. ~1876 Male Head Born: Michigan Married

1940 Census Record Details

Census Year	1940
Location	St.-Joseph-County, Michigan
Surname	Cook
Given Name	Clarence E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Park Township
1935 Residence (County)	St Joseph
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Farmer
Township / Ward	Park Township
Est. Birth Year	~1876

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 Clarence	Age	Birth yr
Don Cook	Son	—	23	~1917
Lily Cook	Spouse	—	63	~1877
Clarence Cook	Head	—	64	~1876

Census Appearances

1920

St Joseph, …

Head, age 44

St Joseph, Michigan · implied b. ~1876 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Clarence
Relationship to Head	Head
Sex	M
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Michigan
Father's Birthplace	Pennsylvania
Mother's Birthplace	Canada
Occupation	Farmer
Industry	General farm
Class of Worker	Emp
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

St Joseph, …

Head, age 54

St Joseph, Michigan · implied b. ~1876 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Clarence C
Relationship to Head	head
Sex	M
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Michigan
Age at First Marriage	20
Father's Birthplace	Ohio
Mother's Birthplace	Michigan
Occupation	Farmer
Industry	General farming
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

St.-Joseph-County, Michigan

Head, age 64

St.-Joseph-County, Michigan · implied b. ~1876 — 3 household members

Surname	Cook
Given Name	Clarence E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Park Township
1935 Residence (County)	St Joseph
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

Our Model Tree links Clarence Cook 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 Cook

Head · 1940 · age 64 · b. ~1876 · Michigan

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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 — St.-Joseph-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01817-00408)

Line	Name	Age	Relation	Occupation	Birthplace
1	Frank P. Lowe	42	Head	Farmer	Michigan
2	Ivy S. Lowe	46	Wife	—	Montana
3	Helen E. Lowe	19	Daughter	—	Michigan
4	Dorothy J. Lowe	17	Daughter	—	Michigan
5	Richard H. Lowe	15	Son	—	Michigan
6	Frank Jr. Lowe	13	Son	—	Michigan
7	Robert C. Lowe	12	Son	—	Michigan
8	John O. Fenwick	41	Head	Farmer	Michigan
9	Zella B. Fenwick	40	Wife	—	Michigan
10	Barbara Fenwick	13	Daughter	—	Michigan
11	Nancy M. Fenwick	1	Daughter	—	Michigan
12	Carl W. Grimm	42	Head	Farmer	Michigan
13	Alice F. Grimm	42	Wife	—	Michigan
14	Sandra Grimm	1	Daughter	—	Michigan
15	Janet Krontz	8	Daughter	—	Michigan
16	Loy Grovenburg	65	Head	Farmer	Michigan
17	Lizzie D. Grovenburg	62	Wife	—	Michigan
18	Elsie Mason	61	Head	Dressmaker	Michigan
19	Robert Mason	9	Son	—	Michigan
20	John Betchel	63	Head	Farmer	Slovakia
21	Katherine Betchel	61	Wife	—	Slovakia
22	Jacob Betchel	25	Son	Laborer	Slovakia
23	Maxine Betchel	19	Daughter-in-law	—	Michigan
24	Nancy Betchel	1	Granddaughter	—	Michigan
25	Bert O. Springer	64	Head	Farmer	Michigan
26	Grace Springer	63	Wife	—	Michigan
27	William Heikes	65	Head	Farmer	Penn
28	Daisy Heikes	59	Wife	—	Michigan
29	Charles D. Holly	67	Head	Farmer	Michigan
30	Mabel A. Holly	49	Wife	—	Illinois
31	Donald Shafer	13	Cousin	—	Illinois
32	Cornelius Michielsen	28	Head	Carpenter	Michigan
33	Marion Michielsen	26	Wife	—	Michigan
34	Bonnie J. Michielsen	6	Daughter	—	Michigan
35	Bettie J. Michielsen	5	Daughter	—	Michigan
36	Victor L. Michielsen	3	Son	—	Michigan
37	Lyris A. Michielsen	2	Daughter	—	Michigan
38	Clarence E. Cook THIS PERSON	64	Head	Farmer	Michigan
39	Lily M. Cook	63	Wife	—	Michigan
40	Don Cook	23	Son	Farmer	Michigan

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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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