Robert Wallace — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Polk-County, Iowa

Our Model Tree links this Robert Wallace across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Ross — first a head (b.~1913), then head of a 3-person household.

Age 27 b. ~1913 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Polk-County, Iowa
Surname	Wallace
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines
1935 Residence (County)	Polk
Additional Details
Occupation	Salesman
Industry	Varied Foods
Class of Worker	PW
Hours Worked	44
Income (1939)	298
Highest Grade	H 4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Salesman
Township / Ward	Saylor Township
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.

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

Name	Relation to head	Relative to Robert	Age	Birth yr
Harriett Wallace	Daughter	—	5	~1935
Robert Wallace	Head	—	27	~1913
Bertha Wallace	Spouse	—	26	~1914

Census Appearances

1920

Polk, Iowa

Son, age 6

Polk, Iowa · implied b. ~1914 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Wallace
Given Name	Robert R
Relationship to Head	Son
Sex	M
Color / Race	White
Age	6
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Polk, Iowa

Son, age 17

Polk, Iowa · implied b. ~1913 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Wallace
Given Name	Robert R
Relationship to Head	son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	none
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Polk-County, Iowa

Head, age 27

Polk-County, Iowa · implied b. ~1913 — 3 household members

Surname	Wallace
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Des Moines
1935 Residence (County)	Polk
Occupation	Salesman
Industry	Varied Foods
Class of Worker	PW
Hours Worked	44
Income (1939)	298
Highest Grade	H 4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Ross Wallace

b. ~1888

Source father

● Household · direct · ~0.92

This person

Anchor record

Robert Wallace

Head · 1940 · age 27 · b. ~1913 · 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 — Polk-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01192-00705)

Line	Name	Age	Relation	Occupation	Birthplace
1	Stephen Lundstrom	34	Head	Operator	Iowa
2	Georgia Lundstrom	27	Wife	—	Iowa
3	Loyal North	63	Head	Farm Hand	Missouri
4	Harry Nantz	33	Head	Textile Worker	Iowa
5	Opal Nantz	24	Wife	—	Kansas
6	Earl James Nantz	3	Son	—	Iowa
7	De Witt Sr. Cunningham	33	Head	Textile Worker	Iowa
8	Margie Cunningham	35	Wife	—	Iowa
9	De Witt Jr. Cunningham	13	Son	—	Iowa
10	Ann M. Cunningham	9	Daughter	—	Iowa
11	Thomas Hammond	35	Head	Laborer	Iowa
12	Frances Hammond	29	Wife	Saleslady	Missouri
13	Loretta Hammond	9	Daughter	—	Iowa
14	Thomas Jr. Hammond	4	Son	—	Iowa
15	Paul Hol	34	Head	Order Clerk	Iowa
16	Doris Hol	29	Wife	—	Iowa
17	Harold B. Hough	46	Head	Acetylene Welder	Iowa
18	Coy Hough	44	Wife	—	Iowa
19	Virginia Hough	18	Daughter	Receptionist	Iowa
20	Sarah Hough	15	Daughter	—	Iowa
21	Milton Hines	43	Head	Clerk	Iowa
22	Elizabeth Hines	33	Wife	—	Iowa
23	Lillian Ford	19	Niece	Clerical	Iowa
24	Sam Ford	13	Nephew	—	Iowa
25	Clarence Ritchhart	37	Head	Carpenter	Iowa
26	Mae Ritchhart	37	Wife	—	Iowa
27	Mildred Ritchhart	18	Daughter	Topper	Iowa
28	Roy Cartwright	45	Head	Stationary Engineer	Nebraska
29	Elizabeth Cartwright	37	Wife	—	Iowa
30	William Cartwright	16	Son	—	Iowa
31	Clifford Cartwright	14	Son	—	Iowa
32	Dora Cartwright	67	Head	—	Nebraska
33	Blanchard Cockerham	41	Head	Proprietor Barber	Iowa
34	Bertha Cockerham	36	Wife	—	Illinois
35	Charles Brooke	49	Head	Salesman	Iowa
36	Marjorie Brooke	30	Wife	—	Iowa
37	Willard Paschall	48	Head	Rural Mail Carrier	Iowa
38	Robert Wallace THIS PERSON	27	Head	Salesman	Iowa
39	Bertha Wallace	26	Wife	—	Iowa
40	Harriett Wallace	5	Daughter	—	Iowa

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Pedigree Summary

Robert

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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