Ira Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Scott-County, Iowa

Our Model Tree links this Ira Smith across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 3-person household.

Age 60 b. ~1880 Male Head Born: Missouri Married

1940 Census Record Details

Census Year	1940
Location	Scott-County, Iowa
Surname	Smith
Given Name	Ira L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Bettendorf city
1935 Residence (County)	Scott
Additional Details
Occupation	Attendant
Industry	Y. M. C. A.
Class of Worker	PW
Hours Worked	40
Income (1939)	240
Highest Grade	Hs 1
1935 Residence	Same place
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri
Occupation	Attendant
Township / Ward	Bettendorf City
Est. Birth Year	~1880

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 Ira	Age	Birth yr
Ira Smith	Head	—	60	~1880
Merrill Smith	Son	—	33	~1907
Edna Smith	Spouse	—	61	~1879

Census Appearances

1920

Scott, Iowa

Other, age 39

Scott, Iowa · implied b. ~1881 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Ira
Relationship to Head	Boarder
Sex	M
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Missouri
Father's Birthplace	New York
Mother's Birthplace	Missouri
Occupation	Laborer
Industry	Construction Co
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1930

Scott, Iowa

Head, age 50

Scott, Iowa · implied b. ~1880 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Ira
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Missouri
Age at First Marriage	22
Father's Birthplace	New York
Mother's Birthplace	Pennsylvania
Occupation	Machinist
Industry	Wheel Works
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	2800
Radio Set	R
Veteran	Yes Sp
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1940

Scott-County, Iowa

Head, age 60

Scott-County, Iowa · implied b. ~1880 — 3 household members

Surname	Smith
Given Name	Ira L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Bettendorf city
1935 Residence (County)	Scott
Occupation	Attendant
Industry	Y. M. C. A.
Class of Worker	PW
Hours Worked	40
Income (1939)	240
Highest Grade	Hs 1
1935 Residence	Same place
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

Model Tree

Linked across censuses

Our Model Tree links Ira 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

Ira Smith

Head · 1940 · age 60 · b. ~1880 · 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 — Scott-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01202-00052)

Line	Name	Age	Relation	Occupation	Birthplace
1	Jeannette Quick	3	Daughter	—	Iowa
2	George Ruck	33	Head	Welder	Iowa
3	Pearl Ruck	31	Wife	—	Iowa
4	Earl C. Labue	22	Brother-in-law	Attendant	Iowa
5	Walter Dammecke	18	Brother-in-law	Attendant	Iowa
6	Rosemary Dammecke	13	Daughter-in-law	—	Iowa
7	Louis Romero	35	Head	Machinist	Mexico
8	Consuilo Romero	24	Wife	—	Mexico
9	Roy Romero	9	Son	—	Illinois
10	Louis Romero	5	Son	—	Illinois
11	Chamito Romero	2	Son	—	Illinois
12	Ira L. Smith THIS PERSON	60	Head	Attendant	Missouri
13	Edna Smith	61	Wife	—	Wisconsin
14	Merrill E. Smith	33	Son	Inspector	Iowa
15	Robert B. Walker	43	Head	Steel Chipper	Iowa
16	Gertrude Walker	41	Wife	—	Wisconsin
17	Jean Walker	14	Daughter	—	Iowa
18	Dewey Walker	41	Brother	Sales And Service	Iowa
19	Irma Linder	35	Head	Music Teacher	Iowa
20	Elsie Linder	43	Sister	Teacher	Iowa
21	Vincent Ploprucki	47	Head	Roman Core Room	Wisconsin
22	Anna Ploprucki	47	Wife	—	Germany
23	Paul Ploprucki	16	Son	—	Iowa
24	Robert Ploprucki	14	Son	—	Iowa
25	Clarence E. Smith	42	Head	Supt Pet Plant	Wisconsin
26	Angeline Smith	39	Wife	—	Wisconsin
27	Warren Smith	14	Son	—	Iowa
28	Harry Smith	6	Daughter	—	Iowa
29	Cyrillus Wirth	60	Head	Medical Doctor	Iowa
30	Laura E. Wirth	72	Wife	—	Iowa
31	Lyra W. Wirth	38	Daughter	Librarian	Iowa
32	Jose Escamilla	51	Head	Common Labor	Mexico
33	Epifania Escamilla	42	Wife	—	Mexico
34	Henry Escamilla	15	Son	—	Iowa
35	Joseph Escamilla	13	Son	—	Iowa
36	Joseph C. Villela	21	Nephew	Tool Maker	California
37	Julius Schoening	34	Head	Core Baker	Germany
38	Johanna Schoening	34	Wife	—	Germany
39	Michael G. Fiotakis	50	Head	Clerk	Greece
40	Nellie A. Fiotakis	41	Wife	—	Austria

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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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