William Cook — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this William Cook across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Thomas & Fannie — first a son (b.~1914), then head of a 3-person household.

Age 26 b. ~1914 Male Son Born: Michigan Single

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Cook
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	26
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Detroit
1935 Residence (County)	Wayne
Additional Details
Occupation	Inspector
Industry	Automobile
Class of Worker	PW
Hours Worked	24
Income (1939)	600
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Inspector
Township / Ward	Detroit
Est. Birth Year	~1914

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 William	Age	Birth yr
Thomas Cook	Head	—	49	~1891
William Cook	Son	—	26	~1914
Fannie Cook	Spouse	—	54	~1886

Census Appearances

1920

Wayne, Michigan

Other, age 5

Wayne, Michigan · implied b. ~1915 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	William
Relationship to Head	Grandson
Sex	M
Color / Race	White
Age	5
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Canada
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Wayne, Michigan

Other, age 16

Wayne, Michigan · implied b. ~1914 — 15 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	William
Relationship to Head	Brother
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Michigan
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Wayne-County, Michigan

Son, age 26

Wayne-County, Michigan · implied b. ~1914 — 3 household members

Surname	Cook
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	26
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Detroit
1935 Residence (County)	Wayne
Occupation	Inspector
Industry	Automobile
Class of Worker	PW
Hours Worked	24
Income (1939)	600
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Model Tree available

Our Model Tree links William Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Cook (~0.92 confidence) and mother Fannie Cook (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Thomas Cook

b. ~1891

Source father

● Household · direct · ~0.92

Mother

Fannie Cook

b. ~1886

Source mother

● Household · direct · ~0.92

This person

Anchor record

William Cook

Son · 1940 · age 26 · b. ~1914 · Michigan

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Wayne-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01877-00875)

Line	Name	Age	Relation	Occupation	Birthplace
1	Norman Ross	57	Head	Clerk	Vermont
2	Geneve Ross	63	Wife	—	Massachusetts
3	Henry Bell	31	Step-son	Clerk	Maine
4	John Tucker	46	Head	Assembly	Michigan
5	Viola Tucker	46	Wife	—	Michigan
6	Helen Tucker	18	Daughter	New Worker	Michigan
7	Kenneth Tucker	16	Son	—	Michigan
8	Wilfred Tucker	15	Son	—	Michigan
9	Alfred Chesney	32	Head	Checker	Michigan
10	Ellen Chesney	26	Wife	—	Michigan
11	Dale Chesney	5	Son	—	Michigan
12	James Donnley	59	Head	Motor Man	Scotland
13	Catherine Donnley	53	Wife	—	Michigan
14	John Donnley	19	Son	Checker	Michigan
15	Catherine Donnley	16	Daughter	—	Michigan
16	Carl Miller	55	Head	Foreman	New Jersey
17	Sadie Miller	49	Wife	—	Ohio
18	Lucille Miller	24	Daughter	Stenographer	Ohio
19	Oscar Vermoutte	53	Head	Assembly	Belgium
20	Mary Vermoutte	56	Wife	—	Belgium
21	Henry Wybo	21	Son-in-law	Makes Medical Capsules	Michigan
22	Pauline Wybo	24	Daughter	Assembly Line	Belgium
23	Frederick Cornfee	48	Head	Superintendent	Michigan
24	Wanda Cornfee	43	Wife	—	Indiana
25	Edward Cornfee	17	Son	—	Michigan
26	Norman Cornfee	6	Son	—	Michigan
27	Clair Cornfee	67	Mother	—	Michigan
28	Gertrude Guencer	51	Head	Stenographer	Michigan
29	Arthur Gill	34	Head	Welder	Michigan
30	Lillian Gill	31	Wife	—	Michigan
31	Anna Gill	63	Mother	—	Michigan
32	Wallace Gardner	47	Head	Press Operator	Kentucky
33	Ruth Gardner	47	Wife	—	Kentucky
34	Evllan Gardner	17	Daughter	—	California
35	William Gardner	15	Son	—	Kentucky
36	Glen Gardner	10	Son	—	Michigan
37	James Gardner	8	Son	—	Michigan
38	Thomas Cook	49	Head	Inspector	West Virginia
39	Fannie Cook	54	Wife	—	Michigan
40	William Cook THIS PERSON	26	Son	Inspector	Michigan

Search for William Cook

All William Cook Census Records Discover Cook Family Tree

Pedigree Summary

William

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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)

Report inaccurate data