Katherine Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Ada-County, Idaho

Our Model Tree links this Katherine Smith across the 1920, 1930 and 1940 US Censuses in Ada-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 5-person household.

Age 57 b. ~1883 Female Spouse Born: Nevada Married

1940 Census Record Details

Census Year	1940
Location	Ada-County, Idaho
Surname	Smith
Given Name	Katherine
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Nevada
1935 Residence (City)	Mountain Home
1935 Residence (County)	Elmore
Additional Details
Income (1939)	0
Highest Grade	H 4
1935 Residence	Idaho
Birth State	Nevada
Birth Country	United States
Birthplace (normalized)	nevada
Township / Ward	Boise
Est. Birth Year	~1883

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.

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

Name	Relation to head	Relative to Katherine	Age	Birth yr
Juanita Smith	Daughter	—	22	~1918
Burton Smith	Head	—	57	~1883
Bird Bracon	Other	—	38	~1902
Francis Smith	Son	—	20	~1920
Katherine Smith	Spouse	—	57	~1883

Census Appearances

1920

Ada, Idaho

Spouse, age 37

Ada, Idaho · implied b. ~1883 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Katherine L
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Nevada
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	Nevada
Birth Country	United States
Birthplace (normalized)	nevada

1930

Elmore, Idaho

Spouse, age 47

Elmore, Idaho · implied b. ~1883 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Katherine L.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Nevada
Father's Birthplace	Irish Free State
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	Nevada
Birth Country	United States
Birthplace (normalized)	nevada

1940

Ada-County, Idaho

Spouse, age 57

Ada-County, Idaho · implied b. ~1883 — 5 household members

Surname	Smith
Given Name	Katherine
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Nevada
1935 Residence (City)	Mountain Home
1935 Residence (County)	Elmore
Income (1939)	0
Highest Grade	H 4
1935 Residence	Idaho
Birth State	Nevada
Birth Country	United States
Birthplace (normalized)	nevada

Model Tree

Linked across censuses

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

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This person

Anchor record

Katherine Smith

Spouse · 1940 · age 57 · b. ~1883 · Idaho

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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 — Ada-County, Idaho Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-00735-00520)

Line	Name	Age	Relation	Occupation	Birthplace
41	E. Warren	15	Son	Caddy	California
42	Lucy H. Jackson	73	Mother-in-law	—	Illinois
43	John H. Nagel	39	Head	Proprietor	Idaho
44	Mildred Nagel	30	Wife	—	Idaho
45	Anne Nagel	1	Daughter	—	Idaho
46	Jesper Hansen	31	Head	Salesman	Iowa
47	Kathryn Hansen	31	Wife	—	Utah
48	Joan Hansen	8	Daughter	—	Utah
49	Janeth Hansen	1	Daughter	—	Utah
51	Burton H. Smith	57	Head	Public Accountant	Delaware
52	Katherine Smith THIS PERSON	57	Wife	—	Nevada
53	Juanita M. Smith	22	Daughter	Stenography	Idaho
54	Francis C. Smith	20	Son	Checker	Idaho
55	Bird Bracon	38	Lodger	Stenographer	Idaho
56	Orville Baxter	63	Head	Proprietor Furniture Co	Ohio
57	Emma Baxter	61	Wife	—	Michigan
58	Evelyn Baxter	18	Daughter	—	Washington
59	Albert J. Arrington	42	Head	Operator Manager	South Dakota
60	Ruth Arrington	38	Wife	—	Nebraska
61	Joyce Arrington	17	Daughter	—	South Dakota
62	Bernice Arrington	16	Daughter	—	South Dakota
63	Norma Arrington	15	Daughter	—	South Dakota
64	Marguerite Arrington	6	Daughter	—	South Dakota
65	Keith Arrington	1	Daughter	—	Idaho
66	Morris Banner	26	Sister	Assistant Manager	South Dakota
67	Tillie Rusk	None	Lodger	—	—
68	Raymond Ebert	56	Lodger	Carpenter	Wisconsin
69	Sherry Bower	43	Head	—	Idaho
70	Laura N. Ross	66	Head	Property Manager	Idaho
71	Maud Elizabeth Ross	59	Wife	—	Michigan
72	Ruth E. Murray	48	Sister-in-law	—	Michigan
73	Kenneth Hedberg	30	Head	Installer	Utah
74	Sherrill Hedberg	26	Wife	—	Utah
75	Karen Hedberg	2	Daughter	—	Utah
76	Mullen Miller	26	Head	Office Clerk	Washington
77	Thelma Miller	24	Wife	—	Idaho
78	Karl W. Bonham	39	Head	Salesman Representative	Iowa
79	Helen Bonham	32	Wife	—	Iowa
80	Jane Bonham	4	Daughter	—	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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