Eva Brown — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Adair-County, Iowa

Our Model Tree links this Eva Brown across the 1920, 1930 and 1940 US Censuses in Adair-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 2-person household.

Age 65 b. ~1875 Female Spouse Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Adair-County, Iowa
Surname	Brown
Given Name	Eva L.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	65
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Greenfield Town
1935 Residence (County)	Adair
Additional Details
Hours Worked	0
Highest Grade	H-2
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Greenfield Town
Est. Birth Year	~1875

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.

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

Name	Relation to head	Relative to Eva	Age	Birth yr
Lyle Brown	Son	—	32	~1908
Eva Brown	Spouse	—	65	~1875

Census Appearances

1920

Adair, Iowa

Spouse, age 43

Adair, Iowa · implied b. ~1877 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brown
Given Name	Eva L
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Adair, Iowa

Spouse, age 54

Adair, Iowa · implied b. ~1876 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brown
Given Name	Eva L
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	17
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Adair-County, Iowa

Spouse, age 65

Adair-County, Iowa · implied b. ~1875 — 2 household members

Surname	Brown
Given Name	Eva L.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	65
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Greenfield Town
1935 Residence (County)	Adair
Hours Worked	0
Highest Grade	H-2
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links Eva 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

Eva Brown

Spouse · 1940 · age 65 · b. ~1875 · 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 — Adair-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01136-00108)

Line	Name	Age	Relation	Occupation	Birthplace
1	Eva L. Brown THIS PERSON	65	Wife	—	Iowa
2	Lyle G. Brown	32	Son	Machinist	Iowa
3	Harold S. Biteon	36	Head	Trucker	Iowa
4	Florence E. Biteon	30	Wife	—	Iowa
5	Russell L. Biteon	6	Son	—	Iowa
6	Marilyn J. Biteon	5	Daughter	—	Iowa
7	Charles F. Shaffer	78	Head	—	Illinois
8	Erin M. Shaffer	33	Son	—	Iowa
9	Donald D. Shaffer	30	Son	Partner	Iowa
10	Bella B. Jones	55	Head	Barber	Iowa
11	Elmer J. Jones	18	Son	—	Iowa
12	George E. Nichols	69	Head	Attendant	Iowa
13	Elsie G. Nichols	64	Wife	Salesman	Iowa
14	Arthur C. Nichols	17	Grandson	—	Iowa
15	Virgil E. Nichols	15	Grandson	—	Iowa
16	Glenn W. Millard	49	Head	—	Iowa
17	Anna E. Millard	48	Wife	Partner	Iowa
18	Fred O. Wehrli	35	Head	—	Iowa
19	Lillian G. Wehrli	29	Wife	Mechanic	Iowa
20	Betty J. Wehrli	9	Daughter	—	Iowa
21	Delores E. Wehrli	8	Daughter	—	Iowa
22	Donna M. Wehrli	6	Daughter	—	Iowa
23	Fred D. Wehrli	5	Son	—	Iowa
24	Walter E. Cutting	35	Head	—	Iowa
25	Cleo S. Cutting	22	Wife	Timekeeper	Iowa
26	Alex B. Cutting	61	Head	—	Illinois
27	Sarah E. Cutting	89	Mother	—	Indiana
28	Henry H. Kreis	55	Head	—	Iowa
29	Anna D. Kreis	56	Wife	—	Iowa
30	Irene Kreis	19	Daughter	—	Iowa
31	Dorothy Kreis	15	Daughter	Teacher	Iowa
32	Dale Grandfield	33	Head	—	Iowa
33	Veva D. Grandfield	31	Wife	Bridgeman	Iowa
34	Lela Grandfield	7	Daughter	—	Iowa
35	Dean E. Grandfield	6	Son	—	Iowa
36	Dale S. Grandfield	5	Son	—	Iowa
37	End Block Grandfield	None	begin	—	—
38	Harrison P. Proctor	73	Head	—	Indiana
39	Effie J. Proctor	69	Wife	—	Iowa
40	Paul O. Grier	41	Head	Barber	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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