Walter Butler — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this Walter Butler across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Richard — first a head (b.~1904), then head of a 3-person household.

Age 36 b. ~1904 Male Head Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Butler
Given Name	Walter J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Additional Details
Occupation	Stock Broker
Industry	Stock Exchange
Class of Worker	OA
Hours Worked	37
Income (1939)	420
Highest Grade	No 8
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Occupation	Stock Broker
Township / Ward	Chicago City
Est. Birth Year	~1904

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 Walter	Age	Birth yr
Barbara Butler	Daughter	—	2	~1938
Hattie Butler	Spouse	—	31	~1909
Walter Butler	Head	—	36	~1904

Census Appearances

1920

Cook, Illinois

Son, age 15

Cook, Illinois · implied b. ~1905 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Butler
Given Name	Walter
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Illinois
Father's Birthplace	Ireland
Mother's Birthplace	Illinois
Occupation	Mach. app.
Industry	Machine Shop
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Cook, Illinois

Son, age 25

Cook, Illinois · implied b. ~1905 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Butler
Given Name	Walter
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Illinois
Father's Birthplace	Ireland
Mother's Birthplace	Illinois
Occupation	Agent
Industry	Real Estate
Class of Worker	W
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Cook-County, Illinois

Head, age 36

Cook-County, Illinois · implied b. ~1904 — 3 household members

Surname	Butler
Given Name	Walter J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Occupation	Stock Broker
Industry	Stock Exchange
Class of Worker	OA
Hours Worked	37
Income (1939)	420
Highest Grade	No 8
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Model Tree available

Our Model Tree links Walter Butler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Butler (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Richard Butler

b. ~1867

Source father

● Household · direct · ~0.92

This person

Anchor record

Walter Butler

Head · 1940 · age 36 · b. ~1904 · Illinois

★ 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 — Cook-County, Illinois Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00989-00486)

Line	Name	Age	Relation	Occupation	Birthplace
41	Bernard Brunke	26	Head	Butcher	Illinois
42	Mary Brunke	24	Wife	—	Illinois
43	Bernard Jr. Brunke	1	Son	—	Illinois
44	Joseph Busch	53	Head	Mechanic	Germany
45	Elinor Busch	52	Wife	—	Illinois
46	Anna Busch	26	Daughter	—	Illinois
47	Joseph Busch	22	Son	Baker Helper	Illinois
48	Lorraine Busch	15	Daughter	—	Illinois
49	Mary Busch	12	Daughter	—	Illinois
50	Frank H. Buell	57	Head	Japaner	Michigan
51	Annabelle Buell	57	Wife	—	Wisconsin
52	Paul D. Snyder	55	Head	Steam Fitter	Missouri
53	Mary E. Snyder	54	Wife	—	Colorado
54	Joseph R. Snyder	15	Son	—	Colorado
55	Catherine Salmon	85	Mother-in-law	—	Ireland
56	Sara Ryan	72	Head	—	Illinois
57	Anna Ryan	64	Sister	—	Illinois
58	Catherine Ryan	59	Sister	—	Illinois
59	Arthur H. Springer	33	Head	Hoist Operator	Illinois
60	Ruth Springer	32	Wife	General Assembler Foreman	Illinois
61	Robert T. Springer	3	Son	—	Illinois
62	Nancy Springer	12	Sister	—	Illinois
63	Walter J. Butler THIS PERSON	36	Head	Stock Broker	Illinois
64	Hattie Butler	31	Wife	—	Illinois
65	Barbara Butler	2	Daughter	—	Illinois
66	Helen Mouldly	51	Head	Assistant Cashier	Illinois
67	Elizabeth Mouldly	57	Sister	—	Illinois
68	Charles V. Coy	50	Head	Guard	Illinois
69	Margaret Coy	39	Wife	—	Hungary
70	Patricia Coy	18	Daughter	Binder	Illinois
71	Noreen Coy	17	Daughter	—	Illinois
72	James Coy	9	Son	—	Illinois
73	John V. Coy	5	Son	—	Illinois
74	David Oaks	47	Head	Street Inspector	Indiana
75	Nellie H. Oaks	39	Wife	—	Illinois
76	Mary Oaks	5	Daughter	—	Illinois
77	David Jr. Oaks	3	Son	—	Illinois
78	Arthur W. Sajewski	36	Head	Salesman	Illinois
79	Mary J. Sajewski	33	Wife	—	Pennsylvania
80	Mary T. Sajewski	6	Daughter	—	Illinois

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Pedigree Summary

Walter

Gen 1 · 1 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)

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