Blanche Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, Iowa

Our Model Tree links this Blanche Smith across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 4-person household.

Age 47 b. ~1893 Female Spouse Born: Kansas Married

1940 Census Record Details

Census Year	1940
Location	Jefferson-County, Iowa
Surname	Smith
Given Name	Blanche B.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Kansas
1935 Residence (City)	Polk Twp
1935 Residence (County)	Jefferson
Additional Details
Occupation	Housekeeper
Industry	at home
Class of Worker	NP
Hours Worked	72
Income (1939)	0
Highest Grade	Hs 3
1935 Residence	Iowa
Birth State	Kansas
Birth Country	United States
Birthplace (normalized)	kansas
Occupation	Housekeeper
Township / Ward	Polk Twp
Est. Birth Year	~1893

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 Blanche	Age	Birth yr
L Smith	Head	—	47	~1893
Lloyd Lloyd	Son	—	20	~1920
Lowell Lloyd	Son	—	16	~1924
Blanche Smith	Spouse	—	47	~1893

Census Appearances

1920

Jefferson, Iowa

Spouse, age 27

Jefferson, Iowa · implied b. ~1893 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Blanche B
Relationship to Head	wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Kansas
Father's Birthplace	Kansas
Mother's Birthplace	Iowa
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Kansas
Birth Country	United States
Birthplace (normalized)	kansas

1930

Jefferson, Iowa

Spouse, age 37

Jefferson, Iowa · implied b. ~1893 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Blanche B.
Relationship to Head	wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Kansas
Age at First Marriage	26
Father's Birthplace	Illinois
Mother's Birthplace	Iowa
Occupation	none
Can Read/Write	Yes
Birth State	Kansas
Birth Country	United States
Birthplace (normalized)	kansas

1940

Jefferson-County, Iowa

Spouse, age 47

Jefferson-County, Iowa · implied b. ~1893 — 4 household members

Surname	Smith
Given Name	Blanche B.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Kansas
1935 Residence (City)	Polk Twp
1935 Residence (County)	Jefferson
Occupation	Housekeeper
Industry	at home
Class of Worker	NP
Hours Worked	72
Income (1939)	0
Highest Grade	Hs 3
1935 Residence	Iowa
Birth State	Kansas
Birth Country	United States
Birthplace (normalized)	kansas

Model Tree

Linked across censuses

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

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This person

Anchor record

Blanche Smith

Spouse · 1940 · age 47 · b. ~1893 · 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 — Jefferson-County, Iowa Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01170-00441)

Line	Name	Age	Relation	Occupation	Birthplace
1	L. C. Smith	47	Head	Farming	Iowa
2	Blanche B. Smith THIS PERSON	47	Wife	Housekeeper	Kansas
3	Lloyd Lloyd	20	Son	Laborer	Iowa
4	Lowell Lloyd	16	Son	—	Iowa
5	M. H. Smith	86	Head	—	Iowa
6	Isaac Kates	69	Head	—	Iowa
7	Sarah Kates	68	Wife	—	Iowa
8	Phoebe Kates	31	Daughter	Housekeeper	Iowa
9	W. C. Kiews	60	Head	Farming	Iowa
10	J. O. Kiews	63	Brother	Housekeeper	Iowa
11	Paula Kiews	40	Wife	Farming	Iowa
12	Edwin Kiews	10	Son	—	Iowa
13	Marvin Kiews	8	Son	—	Iowa
14	Doris Kiews	7	Daughter	—	Iowa
15	Frank Steele	50	Head	Farming	Iowa
16	Alma Steele	49	Wife	Housekeeper	Iowa
17	Mary Steele	86	Mother	—	Iowa
18	William Steele	17	Son	—	Iowa
19	Berle Henkle	22	Lodger	Housekeeper	Iowa
20	Rudolph Mellott	28	Head	Farming	Penn.
21	Margery Mellott	24	Wife	Housekeeper	Iowa
22	Ivan Hauffle	28	Head	Farming	S. Dakota
23	Irene Hauffle	26	Wife	Housekeeper	Iowa
24	Larry Hauffle	3	Son	—	Iowa
25	Herbert Clark	27	Head	Farming	Iowa
26	Farrah Clark	20	Wife	Housekeeper	Iowa
27	James D. Fenton	51	Head	Farming	Missouri
28	Hilda Fenton	45	Wife	Housekeeper	Missouri
29	Ralph Fenton	14	Son	—	Missouri
30	Mary E. Fenton	11	Daughter	—	Missouri
31	David Fenton	9	Son	—	Missouri
32	L. J. Sparks	49	Head	Farming	Iowa
33	Hazel Sparks	44	Wife	Housekeeper	Iowa
34	Henry Sparks	23	Son	Farming	Iowa
35	Eleanor Sparks	21	Daughter	Nurse Training	Iowa
36	Delia Mowery	75	Head	Farming	Missouri
37	Orville Shields	48	Head	Farming	Iowa
38	Elizabeth Shields	45	Wife	Housekeeper	Iowa
39	Everett Shields	17	Son	—	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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