Theresa Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Dubuque-County, Iowa

Our Model Tree links this Theresa Smith across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 5-person household.

Age 53 b. ~1887 Female Spouse Born: Wisconsin Married

1940 Census Record Details

Census Year	1940
Location	Dubuque-County, Iowa
Surname	Smith
Given Name	Theresa
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Wisconsin
1935 Residence (City)	Dubuque City
1935 Residence (County)	Dubuque
Additional Details
Occupation	Maid-Lady
Industry	Private Home
Class of Worker	PW
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin
Occupation	Maid-Lady
Township / Ward	Dubuque City
Est. Birth Year	~1887

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 Theresa	Age	Birth yr
Alvin Smith	Son	—	28	~1912
Charles Smith	Head	—	67	~1873
Rosemary Smith	Daughter	—	15	~1925
Bernard Smith	Son	—	26	~1914
Theresa Smith	Spouse	—	53	~1887

Census Appearances

1920

Dubuque, Iowa

Spouse, age 33

Dubuque, Iowa · implied b. ~1887 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Theresa M
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Wisconsin
Father's Birthplace	Wisconsin
Mother's Birthplace	Wisconsin
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1930

Dubuque, Iowa

Spouse, age 43

Dubuque, Iowa · implied b. ~1887 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Theresa
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Wisconsin
Age at First Marriage	22
Father's Birthplace	New York
Mother's Birthplace	Wisconsin
Occupation	none
Can Read/Write	Yes
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

1940

Dubuque-County, Iowa

Spouse, age 53

Dubuque-County, Iowa · implied b. ~1887 — 5 household members

Surname	Smith
Given Name	Theresa
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Wisconsin
1935 Residence (City)	Dubuque City
1935 Residence (County)	Dubuque
Occupation	Maid-Lady
Industry	Private Home
Class of Worker	PW
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Wisconsin
Birth Country	United States
Birthplace (normalized)	wisconsin

Model Tree

Linked across censuses

Our Model Tree links Theresa 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

Theresa Smith

Spouse · 1940 · age 53 · b. ~1887 · 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 — Dubuque-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01158-00533)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mat. Meyers	50	Head	Operator	Iowa
2	Mary Meyers	47	Wife	—	Iowa
3	Robert (Alv) Meyers	19	Son	C.C.C. Worker	Iowa
4	David Meyers	18	Son	Bookkeeper	Wisconsin
5	Jenette Meyers	16	Daughter	—	Iowa
6	Ruth Meyers	15	Daughter	—	Iowa
7	Paul Meyers	14	Son	—	Iowa
8	Marion Meyers	8	Daughter	—	Iowa
9	Fred Ackerman	37	Head	Machine Operator	Wisconsin
10	Mildred Ackerman	31	Wife	—	Iowa
11	Mary Ackerman	3	Daughter	—	Iowa
12	Patricia Ackerman	1	Daughter	—	Wisconsin
13	Frank Hames	50	Head	Mill Worker	Wisconsin
14	Rosa Hames	52	Wife	—	Minnesota
15	Dorance Hames	22	Son	Machine Helper	Wisconsin
16	Rita Hames	20	Daughter	—	Wisconsin
17	Myron Hames	15	Son	—	Wisconsin
18	Norman Hames	12	Son	—	Wisconsin
19	Edmund Ballbach	54	Head	Shipping Clerk	Illinois
20	Marie Ballbach	51	Wife	—	Minnesota
21	Marie Ballbach	21	Daughter	Library Assistant	Iowa
22	Therese Ballbach	14	Daughter	—	Iowa
23	Leonard Meyer	31	Head	Machine Operator	Iowa
24	Verda Meyer	31	Wife	—	Iowa
25	Harlow Meyer	8	Son	—	Iowa
26	Jannann Meyer	5	Daughter	—	Iowa
27	Donna May Meyer	3	Daughter	—	Iowa
28	Darlene Meyer	0	Daughter	—	Iowa
29	Charles M Smith	67	Head	M.P.A. Laborer	Iowa
30	Theresa Smith THIS PERSON	53	Wife	Maid-Lady	Wisconsin
31	Alvin Smith	28	Son	Laborer	Iowa
32	Bernard Smith	26	Son	Car Washer	Iowa
33	Rosemary Smith	15	Daughter	—	Iowa
34	Joseph Sumersai	32	Head	Inspector	Louisiana
35	Helen Sumersai	28	Wife	—	New York
36	Andria Sumersai	4	Daughter	—	Iowa
37	Joseph Jr Sumersai	2	Son	—	Iowa
38	Eugene Breitbach	41	Head	Cutter-Machine	Iowa
39	Robert Breitbach	19	Son	C.C.C. Worker	Iowa
40	Donald Breitbach	14	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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