Ira Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Big-Horn-County, Montana

Our Model Tree links this Ira Smith across the 1920, 1930 and 1940 US Censuses in Big-Horn-County, Montana (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 4-person household.

Age 45 b. ~1895 Male Head Born: Missouri Married

1940 Census Record Details

Census Year	1940
Location	Big-Horn-County, Montana
Surname	Smith
Given Name	Ira T.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Hardin City
1935 Residence (County)	Big Horn
Additional Details
Occupation	Chief of Police
Industry	City Police Department
Class of Worker	GW
Hours Worked	48
Income (1939)	2500
Highest Grade	H-2
1935 Residence	Same House
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri
Occupation	Chief Of Police
Township / Ward	Hardin City
Est. Birth Year	~1895

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 Ira	Age	Birth yr
Ira Smith	Head	—	45	~1895
Willard Smith	Son	—	13	~1927
John Smith	Son	—	22	~1918
Mabel Smith	Spouse	—	40	~1900

Census Appearances

1920

Big Horn, …

Head, age 25

Big Horn, Montana · implied b. ~1895 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Ira J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	25
Marital Status	Married
Birthplace	Missouri
Father's Birthplace	US
Mother's Birthplace	US
Occupation	Laborer
Industry	Hauling coal
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1930

Big Horn, …

Head, age 35

Big Horn, Montana · implied b. ~1895 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Ira
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Missouri
Age at First Marriage	22
Father's Birthplace	Missouri
Mother's Birthplace	Indiana
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	25
Radio Set	R
Birth State	Missouri
Birth Country	United States
Birthplace (normalized)	missouri

1940

Big-Horn-County, Montana

Head, age 45

Big-Horn-County, Montana · implied b. ~1895 — 4 household members

Surname	Smith
Given Name	Ira T.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Missouri
1935 Residence (City)	Hardin City
1935 Residence (County)	Big Horn
Occupation	Chief of Police
Industry	City Police Department
Class of Worker	GW
Hours Worked	48
Income (1939)	2500
Highest Grade	H-2
1935 Residence	Same House
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 45 · b. ~1895 · Montana

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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 — Big-Horn-County, Montana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02212-00286)

Line	Name	Age	Relation	Occupation	Birthplace
1	Gile A. Litton	43	Head	Journeyman Electrician	New Mexico
2	Lola I. Litton	39	Wife	—	Kansas
3	Vivian A. Litton	17	Daughter	Maid	Montana
4	Ronald W. Litton	15	Son	—	Idaho
5	Lois M. Litton	13	Daughter	—	Idaho
6	Gene E. Litton	10	Son	—	Washington
7	Roger M. Litton	7	Son	—	Montana
8	Everett E. Bowers	33	Head	Truck Driver	Kansas
9	Christian Bowers	32	Wife	—	Missouri
10	Donnie Bowers	9	Son	—	Montana
11	Robert Herman	24	Head	Laborer	Nebraska
12	Alice I. Herman	20	Wife	—	Montana
13	Robert Herman	1	Son	—	Montana
14	Arthur T. Huntington	42	Head	Shop Foreman	Montana
15	Mabel A. Huntington	39	Wife	—	Montana
16	Helen M. Huntington	11	Daughter	—	Montana
17	Velda M. Huntington	3	Daughter	—	Montana
18	Carol J. Huntington	1	Daughter	—	Montana
19	James A. Youst	65	Lodger	Cow Wrangler	Kansas
20	Edith Mayo	54	Head	—	Missouri
21	Violet Mayo	28	Daughter	Administrative Assistant	Oklahoma
22	Mary Mayo	18	Daughter	—	Montana
23	Helen F. Inskeep	52	Head	—	Illinois
24	Vaughn W. Inskeep	17	Son	Axeman - Surveyors	Montana
25	Ira T. Smith THIS PERSON	45	Head	Chief Of Police	Missouri
26	Mabel Smith	40	Wife	—	Kansas
27	John H. Smith	22	Son	—	Montana
28	Willard L. Smith	13	Son	—	Montana
29	Henry P. Sharpe	47	Head	Land Clerk	Nebraska
30	Nora Sharpe	34	Wife	—	Nebraska
31	Willis E. Sharpe	13	Son	—	Nebraska
32	Doris P. Sharpe	12	Daughter	—	Nebraska
33	Lelland F. Sharpe	10	Son	—	Nebraska
34	Norma L. Sharpe	8	Daughter	—	Nebraska
35	Sharon D. Sharpe	1	Daughter	—	Montana
36	Mary Brandt	60	Head	Laundress	New York
37	Lewis Brandt	24	Son	Mechanic	New York
38	Otto J. Olsen	44	Head	Section Laborer	Wisconsin
39	Clarence M. Doane	47	Head	Laborer	Michigan
40	Jewel D. Doane	46	Wife	—	Missouri

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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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