Mary Schwartz — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wapello-County, Iowa

Our Model Tree links this Mary Schwartz across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 7-person household.

Age 67 b. ~1873 Female Spouse Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Wapello-County, Iowa
Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	67
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Ottumwa
1935 Residence (County)	Wapello County
Additional Details
Highest Grade	No 7
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Ottumwa
Est. Birth Year	~1873

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Edward Schwartz	Son	—	28	~1912
Ernest Schwartz	Son	—	44	~1896
Arlo Schwartz	Son	—	26	~1914
Cafford Schwartz	Head	—	74	~1866
Bernard Schwartz	Son	—	34	~1906
Elnora Schwartz	Daughter	—	33	~1907
Mary Schwartz	Spouse	—	67	~1873

Census Appearances

1920

Wapello, Iowa

Spouse, age 47

Wapello, Iowa · implied b. ~1873 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Wapello, Iowa

Other, age 57

Wapello, Iowa · implied b. ~1873 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	22
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	none
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Wapello-County, Iowa

Spouse, age 67

Wapello-County, Iowa · implied b. ~1873 — 7 household members

Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	67
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Ottumwa
1935 Residence (County)	Wapello County
Highest Grade	No 7
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links Mary Schwartz across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Schwartz

Spouse · 1940 · age 67 · b. ~1873 · 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 — Wapello-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01209-00835)

Line	Name	Age	Relation	Occupation	Birthplace
1	Pauline Huff	68	Sister	New-Worker	Iowa
2	Cafford Schwartz	74	Head	Farmer	Germany
3	Mary Schwartz THIS PERSON	67	Wife	—	Iowa
4	Ernest Schwartz	44	Son	Manager	Iowa
5	Bernard Schwartz	34	Son	Salesman	Iowa
6	Elnora Schwartz	33	Daughter	—	Iowa
7	Edward Schwartz	28	Son	Truck Driver	Iowa
8	Arlo Schwartz	26	Son	Truck Driver	Iowa
9	Laris Smith	31	Head	Carpenter	Iowa
10	Nellie Smith	30	Wife	—	Iowa
11	Larry Smith	9	Son	—	Iowa
12	Bonnie Smith	6	Daughter	—	Iowa
13	Carole Smith	2	Daughter	—	Iowa
14	Paul Irving	31	Head	Buttermaker	Iowa
15	Lena Irving	27	Wife	Cashier	Iowa
16	Herbert Williams	34	Lodger	—	Iowa
17	Lola Williams	32	Lodger	—	Iowa
18	Phillip Williams	8	Lodger	—	Iowa
19	Phyllis Williams	7	Lodger	—	Iowa
20	Willis Moffit	23	Head	Laborer	Iowa
21	Virginia Moffit	22	Wife	Laborer	Missouri
22	Harold Smart	30	Head	Bookkeeper	Iowa
23	Pauline Smart	29	Wife	—	Iowa
24	Donald Lee Smart	3	Son	—	Iowa
25	Gerald Smart	0	Son	—	Iowa
26	Howard Taylor	33	Head	Laborer	Iowa
27	Ena Taylor	29	Wife	—	Iowa
28	Wallace Bain	11	Head	—	Iowa
29	Selma Bain	9	Daughter	—	Iowa
30	L. C. Postlethwait	35	Head	Barber	Iowa
31	Edith Postlethwait	33	Wife	—	Iowa
32	Jo Ellen Postlethwait	13	Daughter	—	Iowa
33	Rodger Postlethwait	11	Son	—	Iowa
34	Robert Postlethwait	7	Son	—	Iowa
35	Bernie Houk	35	Head	Clerk	Iowa
36	Myrtle Houk	36	Wife	—	Ohio
37	Jeane Houk	7	Daughter	—	Iowa
38	James Houk	2	Son	—	Iowa
39	Lois Littlejohn	26	Head	Waitress	Iowa
40	Robert Littlejohn	6	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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