Viola Brown — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wapello-County, Iowa

Our Model Tree links this Viola Brown across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 3-person household.

Age 59 b. ~1881 Female Spouse Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Wapello-County, Iowa
Surname	Brown
Given Name	Viola
Relationship to Head	wife
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Polk Township
1935 Residence (County)	Wapello County
Additional Details
Occupation	none
Class of Worker	none
Income (1939)	0
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Polk Township
Est. Birth Year	~1881

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 Viola	Age	Birth yr
Madeline Brown	Daughter	—	20	~1920
Viola Brown	Spouse	—	59	~1881
Dan Brown	Head	—	67	~1873

Census Appearances

1920

Wapello, Iowa

Spouse, age 40

Wapello, Iowa · implied b. ~1880 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brown
Given Name	Viola
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	United States
Mother's Birthplace	United States
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Wapello, Iowa

Other, age 49

Wapello, Iowa · implied b. ~1881 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brown
Given Name	Viola
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	37
Father's Birthplace	Indiana
Mother's Birthplace	Unknown U.S.
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Wapello-County, Iowa

Spouse, age 59

Wapello-County, Iowa · implied b. ~1881 — 3 household members

Surname	Brown
Given Name	Viola
Relationship to Head	wife
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Polk Township
1935 Residence (County)	Wapello County
Occupation	none
Class of Worker	none
Income (1939)	0
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links Viola Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Viola Brown

Spouse · 1940 · age 59 · b. ~1881 · 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 — Wapello-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01209-01161)

Line	Name	Age	Relation	Occupation	Birthplace
1	Robert Johnson	14	lodger	None	Iowa
2	Carl O. Ullman	39	head	Operator	Iowa
3	Mildred V. Ullman	35	wife	None	Iowa
4	Charles J. Ullman	12	son	None	Iowa
5	Lowell O. Irwin	23	head	Farming	Iowa
6	Velma Irwin	20	wife	None	Iowa
7	John W. Irwin	3	son	None	Iowa
8	Willis S. Buchanan	51	head	Laborer	Virginia
9	Maggie Buchanan	49	wife	None	Iowa
10	Ralph Buchanan	17	son	Salesman	Minnesota
11	Harold O. Long	29	head	Farming	Iowa
12	Thelma Long	21	wife	None	Iowa
13	Alice Long	2	daughter	None	Iowa
14	Gale Dial	16	hired hand	Farm Hand	Iowa
15	Fanny Lewis	72	head	None	Iowa
16	Richard Dickson	10	grand son	None	Iowa
17	Millie Griggs	59	head	Farming	Germany
18	Robert Pomeroy	51	head	Farm Hand	Minnesota
19	Pearl Pomeroy	55	wife	None	Mississippi
20	Charles H. Pomeroy	21	son	New Worker	Missouri
21	Andy Bednar	58	head	Farming	Austria
22	Mary Bednar	49	wife	None	Austria
23	Dan Brown	67	head	Farming	Iowa
24	Viola Brown THIS PERSON	59	wife	None	Iowa
25	Madeline Brown	20	daughter	None	Iowa
26	Ralph Haines	33	head	Laborer	Iowa
27	Editha Haines	32	wife	None	Missouri
28	Robert Haines	14	son	None	Iowa
29	James Haines	13	son	None	Iowa
30	Charles Haines	11	son	None	Iowa
31	Donna Haines	10	daughter	None	Iowa
32	Dorothy Haines	8	daughter	None	Iowa
33	Marilyn Haines	6	daughter	None	Iowa
34	La Von Haines	5	son	None	Iowa
35	Lonnie Haines	3	son	None	Iowa
36	Norman Peterson	48	head	Farming	Iowa
37	Lillie Peterson	57	sister	None	Illinois
38	August Peterson	76	father	None	Sweden
39	Orville Warner	44	head	Farming	Iowa
40	Ruth Warner	38	wife	None	Iowa

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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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