William Hanley — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this William Hanley across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 5-person household.

Age 27 b. ~1913 Male Son Born: Illinois Single

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Hanley
Given Name	William J
Relationship to Head	Son
Sex	M
Color / Race	White
Age	27
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Additional Details
Industry	0
Highest Grade	H 4
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Chicago City
Est. Birth Year	~1913

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.

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

Name	Relation to head	Relative to William	Age	Birth yr
William Hanley	Son	—	27	~1913
Helen Hanley	Daughter	—	19	~1921
Bridget Hanley	Spouse	—	64	~1876
Michael Hanley	Son	—	25	~1915
William Hanley	Head	—	65	~1875

Census Appearances

1930

Cook, Illinois

Son, age 16

Cook, Illinois · implied b. ~1914 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

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

1940

Cook-County, Illinois

Son, age 27

Cook-County, Illinois · implied b. ~1913 — 5 household members

Surname	Hanley
Given Name	William J
Relationship to Head	Son
Sex	M
Color / Race	White
Age	27
Marital Status	Single
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Industry	0
Highest Grade	H 4
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

Our Model Tree links William Hanley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

William Hanley

Son · 1940 · age 27 · b. ~1913 · Illinois

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Sibling

Helen Hanley

Sibling · 1940 · age 19

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Michael Hanley

Sibling · 1940 · age 25

Source co-child of head (derived)

● Co-child · derived · ~0.88

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

Original Census Page

1940 US Federal Census — Cook-County, Illinois Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00960-00464)

Line	Name	Age	Relation	Occupation	Birthplace
1	Elaine Johnson	13	Daughter	—	Illinois
2	Alice Paula Johnson	13	Daughter	—	Illinois
3	Patrick J Mcnamara	41	Head	Manager	New York
4	Jane Mcnamara	34	Wife	—	New York
5	Patricia Mcnamara	10	Daughter	—	Indiana
6	Kathleen Mcnamara	7	Daughter	—	Indiana
7	Jane Mcnamara	3	Daughter	—	Illinois
8	Elizabeth Walsh	26	Servant	Maid	Iowa
9	William J Hanley	65	Head	—	South Dakota
10	Bridget A Hanley	64	Wife	—	Rhode Island
11	William J Hanley THIS PERSON	27	Son	—	Illinois
12	Helen E Hanley	19	Daughter	—	Illinois
13	Michael J Hanley	25	Son	—	Illinois
14	Michel Badzynowski	48	Head	Doctor	Illinois
15	Ludmila Badzynowski	44	Wife	—	Indiana
16	Lolita Ab Badzynowski	19	Daughter	—	Illinois
17	Leon Kapinski	28	Brother-in-law	Accountant	Illinois
18	Andrew William	58	Head	Export Manager	Pennsylvania
19	Catherine O William	51	Wife	—	Pennsylvania
20	Catherine William	23	Daughter	Saleswoman	Illinois
21	Margaret Ab William	21	Daughter	—	Illinois
22	Andrew William	19	Son	—	Illinois
23	Caroline William	11	Daughter	—	Illinois
24	Emma Baker	60	Head	—	Illinois
25	Daniel Baker	23	Son	Advertising Salesman	Pennsylvania
26	Raymond Sanford	72	Lodger	—	Ohio
27	Margaret Sanford	60	Lodger	—	Ohio
28	Benjamin Perry	70	Head	Salesman	Virginia
29	Anne E Perry	65	Wife	—	Illinois
30	Robert Dauk	60	Head	Architect	Illinois
31	Mable Dauk	49	Wife	—	Illinois
32	Robert Dauk	23	Son	Designer	Illinois
33	John Ab Dauk	16	Son	—	Illinois
34	William Dauk	12	Son	—	Illinois
35	Dwight Drumm	57	Head	Sales Department	Ohio
36	Barbara Drumm	56	Wife	—	Ohio
37	William Ab Drumm	20	Son	—	Illinois
38	Valden Helges	38	Servant	Maid	Norway
39	George Lehmann	71	Head	—	Illinois
40	Mary C Lehmann	70	Wife	—	Illinois

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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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