William Bradley — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Union-County, Iowa

Our Model Tree links this William Bradley across the 1920, 1930 and 1940 US Censuses in Union-County, Iowa (XGBoost, ~Confirmed), with identified parents John & Mary — first a son (b.~1915), then head of a 4-person household.

Age 25 b. ~1915 Male Son Born: Iowa Single

1940 Census Record Details

Census Year	1940
Location	Union-County, Iowa
Surname	Bradley
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Iowa
1935 Residence (City)	Creston City
1935 Residence (County)	Union County
Additional Details
Occupation	Clerk
Industry	Retail Drug Store
Class of Worker	PW
Hours Worked	60
Income (1939)	520
Highest Grade	Hs 4
1935 Residence	Same Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Clerk
Township / Ward	Creston City
Est. Birth Year	~1915

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.

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

Name	Relation to head	Relative to William	Age	Birth yr
Mary Bradley	Daughter	—	44	~1896
John Bradley	Head	—	69	~1871
William Bradley	Son	—	25	~1915
Mary Bradley	Spouse	—	69	~1871

Census Appearances

1920

Union, Iowa

Son, age 4

Union, Iowa · implied b. ~1916 — 11 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Bradley
Given Name	William M
Relationship to Head	Son
Sex	M
Color / Race	White
Age	4
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Ohio
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Union, Iowa

Son, age 15

Union, Iowa · implied b. ~1915 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Bradley
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Union-County, Iowa

Son, age 25

Union-County, Iowa · implied b. ~1915 — 4 household members

Surname	Bradley
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Iowa
1935 Residence (City)	Creston City
1935 Residence (County)	Union County
Occupation	Clerk
Industry	Retail Drug Store
Class of Worker	PW
Hours Worked	60
Income (1939)	520
Highest Grade	Hs 4
1935 Residence	Same Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Bradley

b. ~1871

Source father

● Household · direct · ~0.92

Mother

Mary Bradley

b. ~1871

Source mother

● Household · direct · ~0.92

This person

Anchor record

William Bradley

Son · 1940 · age 25 · b. ~1915 · Iowa

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Sibling

Mary Bradley

Sibling · 1940 · age 44

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 — Union-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01208-00059)

Line	Name	Age	Relation	Occupation	Birthplace
1	Virginia Jarvis	27	Daughter	Saleslady	Iowa
2	Bernadine Burton	23	Maid	Maid	Iowa
3	Ray S Cook	45	Head	Salesman	Iowa
4	Gertrude Cook	39	Wife	—	Iowa
5	Joseph A Cook	20	Son	—	Missouri
6	Chas E Snodgrass	39	Head	Trucker	Iowa
7	Vesper Snodgrass	40	Wife	—	Iowa
8	Maxine Snodgrass	19	Daughter	Waitress	Iowa
9	Wayne Snodgrass	16	Son	—	Iowa
10	Margaret Snodgrass	14	Daughter	—	Iowa
11	Earl Johnson	38	Head	Laborer	Iowa
12	Dora Johnson	35	Wife	—	Iowa
13	Marilyn Jean Johnson	6	Daughter	—	Iowa
14	Earl G Johnson	5	Son	—	Iowa
15	Harold Mullen	35	Head	Attendant	Indiana
16	Dorothy Mullen	29	Wife	—	Indiana
17	Carrol Thomas	33	Head	Manager	Iowa
18	Lillian Thomas	36	Wife	—	Iowa
19	Carrol J Jr Thomas	1	Son	—	Iowa
20	Chas Edw Thomas	0	Son	—	Iowa
21	Irene Shoenhair	20	Maid	Maid	Iowa
22	Cleo Clayton	45	Head	Salesman	Iowa
23	Zelma Clayton	40	Wife	—	Iowa
24	Alice Clayton	89	Mother	—	Kentucky
25	Harry Scullen	66	Head	—	Iowa
26	Clara Scullen	62	Wife	—	Iowa
27	Webster S Senebaugh	46	Head	Chiropractor Doctor	Illinois
28	Olive Senebaugh	46	Wife	—	Iowa
29	Marie Senebaugh	14	Daughter	—	Iowa
30	Ellen Senebaugh	12	Daughter	—	Iowa
31	John J Bradley	69	Head	Clerk	Iowa
32	Mary Bradley	69	Wife	—	Ohio
33	Mary Bradley	44	Daughter	Clerk & Bookkeeper	Iowa
34	William Bradley THIS PERSON	25	Son	Clerk	Iowa
35	Leslie Mccoy	51	Head	Laborer	Nebraska
36	Letha Mccoy	50	Wife	—	Iowa
37	Gerald Dillman	22	Head	Asst Manager	Iowa
38	Hazel Dillman	22	Wife	Clerk	Iowa
39	Ray H Youngman	38	Head	Manager	Illinois
40	Gertrude Youngman	40	Wife	—	Iowa

Related Census Records

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Pedigree Summary

William + 1 sibling

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)

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