Ida Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Sac-County, Iowa

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

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

1940 Census Record Details

Census Year	1940
Location	Sac-County, Iowa
Surname	Smith
Given Name	Ida
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	Wall Lake Twp
1935 Residence (County)	Sac
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Same house
Birth Country	Sweden
Birthplace (normalized)	sweden
Township / Ward	Wall Lake Twp
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 Ida	Age	Birth yr
Florence Ryan	Daughter	—	18	~1922
H Smith	Head	—	58	~1882
Robert Smith	Son	—	23	~1917
Glenda Smith	Son	—	13	~1927
Ida Smith	Spouse	—	57	~1883

Census Appearances

1920

Sac, Iowa

Spouse, age 36

Sac, Iowa · implied b. ~1884 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Ida C.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Sweden
Year of Immigration	1892
Naturalization Status	Naturalized
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Birth Country	Sweden
Year of Naturalization	1898
Birthplace (normalized)	sweden

1930

Sac, Iowa

Other, age 46

Sac, Iowa · implied b. ~1884 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Ida C.
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Sweden
Naturalization Status	Naturalized
Year of Immigration	1893
Age at First Marriage	19
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read/Write	Yes
Mother Tongue	Swedish
Birth Country	Sweden
Birthplace (normalized)	sweden

1940

Sac-County, Iowa

Spouse, age 57

Sac-County, Iowa · implied b. ~1883 — 5 household members

Surname	Smith
Given Name	Ida
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	Wall Lake Twp
1935 Residence (County)	Sac
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Same house
Birth Country	Sweden
Birthplace (normalized)	sweden

Model Tree

Linked across censuses

Our Model Tree links Ida 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

Ida Smith

Spouse · 1940 · age 57 · b. ~1883 · 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 — Sac-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01201-00876)

Line	Name	Age	Relation	Occupation	Birthplace
41	Lester King	27	Head	Farming	Iowa
42	Angeline King	27	Wife	—	Iowa
43	Marjie King	6	Daughter	—	Iowa
44	Frank P. King	67	Head	Farming	Illinois
45	Edith King	69	Wife	—	Wisconsin
46	Virginia Harrison	20	Hiredgirl	Housework	Iowa
47	Bert Irwin	29	Head	Farming	Iowa
48	Thelinda Irwin	27	Wife	—	Iowa
49	Barbara Irwin	8	Daughter	—	Iowa
50	John Irwin	5	Son	—	Iowa
51	Gerald Irwin	3	Son	—	Iowa
52	Arthur Thies	32	Head	Farming	Iowa
53	Mary Thies	37	Wife	—	Iowa
54	Irene Thies	12	Daughter	—	South Dakota
55	Ardel Thies	9	Daughter	—	S. Dak.
56	Fred Hamm	65	Head	Farming	Iowa
57	Sarah Hamm	58	Wife	—	Iowa
58	Julius Hagge	57	Head	Farming	Iowa
59	Emma Hagge	53	Wife	—	Iowa
60	Herman Dreeszen	28	Hiredman	Farm Hand	Iowa
61	Catharine Dreeszen	17	Hiredgirl	Housework	Iowa
62	Wesley Rhoades	32	Head	Farming	Iowa
63	Adeline Rhoades	24	Wife	—	Iowa
64	Harlene Marie Rhoades	3	Daughter	—	Iowa
65	Clem Reuter	41	Head	Farming	Iowa
66	Jennie Reuter	41	Wife	—	Iowa
67	Virgil Reuter	20	Son	Farming	Iowa
68	Arlen Gene Reuter	8	Son	—	Iowa
69	Claude Miller	50	Head	Farming	Indiana
70	Trudie Miller	43	Wife	—	Indiana
71	Maxine Miller	18	Daughter	—	Iowa
72	Dwight Miller	17	Son	Farming	Iowa
73	Nancy Lee Miller	3	Daughter	—	Iowa
74	H. O. Smith	58	Head	Farming	Iowa
75	Ida Smith THIS PERSON	57	Wife	—	Sweden
76	Robert Smith	23	Son	Farming	Minnesota
77	Glenda Smith	13	Son	—	Iowa
78	Florence Ryan	18	Daughter	—	Iowa
79	John Mccaulley	34	Head	Farming	Iowa
80	Hazel Mccaulley	29	Wife	—	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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