Frank Cook — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Kossuth-County, Iowa

Our Model Tree links this Frank Cook across the 1920, 1930 and 1940 US Censuses in Kossuth-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 6-person household.

Age 52 b. ~1888 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Kossuth-County, Iowa
Surname	Cook
Given Name	Frank
Relationship to Head	head
Sex	M
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Algona City
1935 Residence (County)	Kossuth
Additional Details
Occupation	manager
Industry	junk yard
Class of Worker	E
Hours Worked	60
Income (1939)	156
Highest Grade	No 6
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Manager
Township / Ward	Algona City
Est. Birth Year	~1888

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.

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

Name	Relation to head	Relative to Frank	Age	Birth yr
Opal Cook	Daughter	—	13	~1927
Frank Cook	Head	—	52	~1888
Dwight Cook	Son	—	7	~1933
Elmer Cook	Son	—	26	~1914
Richard Cook	Son	—	16	~1924
Nellie Cook	Spouse	—	48	~1892

Census Appearances

1920

Kossuth, Iowa

Head, age 30

Kossuth, Iowa · implied b. ~1890 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Frank
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Germany
Mother's Birthplace	Iowa
Occupation	Salesman
Industry	Dept Store Clothing
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Kossuth, Iowa

Head, age 41

Kossuth, Iowa · implied b. ~1889 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Frank
Relationship to Head	Head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	22
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Proprietor
Industry	Junk yard
Class of Worker	OA
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	700
Radio Set	R
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Kossuth-County, Iowa

Head, age 52

Kossuth-County, Iowa · implied b. ~1888 — 6 household members

Surname	Cook
Given Name	Frank
Relationship to Head	head
Sex	M
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Algona City
1935 Residence (County)	Kossuth
Occupation	manager
Industry	junk yard
Class of Worker	E
Hours Worked	60
Income (1939)	156
Highest Grade	No 6
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links Frank 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

Frank Cook

Head · 1940 · age 52 · b. ~1888 · Iowa

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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 — Kossuth-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01173-00055)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mergen Dorothy Morgan	31	wife	H	Iowa
2	Darrell Morgan	3	son	—	Iowa
3	Frank Cook THIS PERSON	52	head	Manager	Iowa
4	Nellie Cook	48	wife	H	Iowa
5	Elmer Cook	26	son	Laborer	Iowa
6	Richard Cook	16	son	—	Iowa
7	Opal Cook	13	daughter	—	Iowa
8	Dwight Cook	7	son	—	Iowa
9	Thomas Halpin	51	head	Engineer	Ireland
10	Leola Halpin	41	wife	H	Iowa
11	Ida Halpin	23	daughter	H	Iowa
12	Thomas B. Halpin	20	son	Electrician	Iowa
13	Richard Halpin	18	son	—	Iowa
14	Mary Ellen Halpin	15	daughter	—	Iowa
15	Rosalee Halpin	10	daughter	—	Iowa
16	Darrell R. Barnard	38	head	Manager	Minnesota
17	Doris Barnard	34	wife	H	North Dakota
18	Lois Barnard	10	daughter	—	Iowa
19	Darrell Barnard	5	son	—	Iowa
20	Fred B. Timson	48	head	Manager	Iowa
21	Lucilla Timson	40	wife	H	Iowa
22	Mary Anne Timson	8	daughter	—	Iowa
23	Charles Brosener	28	head	Salesman	North Dakota
24	Barbara Brosener	26	wife	H	Scotland
25	Charlene Brosener	4	daughter	—	Illinois
26	Barbara C. Brosener	2	daughter	—	Illinois
27	Herman Funke	49	head	Mechanic	Germany
28	Clara Funke	49	wife	H	Iowa
29	Neoma Funke	21	daughter	Clerk	Iowa
30	Emma Ellsworth	53	head	H	Iowa
31	William Ellsworth	21	son	Ccc	Iowa
32	Neva Ellsworth	17	daughter	—	Iowa
33	Dorothea Ellsworth	15	daughter	—	Wisconsin
34	Donna Jean Ellsworth	12	daughter	—	Iowa
35	Thomas Wadsworth	84	head	—	Wisconsin
36	Alyda Allen	47	servant	Servant	Iowa
37	Clara E. Lewis	65	head	H	Iowa
38	Ella Lewis	29	daughter	H	Iowa
39	Jesse Lashbrook	42	head	Manager	Iowa
40	Kathryn Lashbrook	37	wife	H	Iowa

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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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