Clara Schmidt — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Montgomery-County, Ohio

Our Model Tree links this Clara Schmidt across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 4-person household.

Age 48 b. ~1892 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Montgomery-County, Ohio
Surname	Schmidt
Given Name	Clara A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Dayton City
1935 Residence (County)	Montgomery
Additional Details
Highest Grade	No 6
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Dayton City
Est. Birth Year	~1892

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 Clara	Age	Birth yr
Mary Schmidt	Daughter	—	23	~1917
Clara Schmidt	Spouse	—	48	~1892
Marcellus Schmidt	Head	—	47	~1893
Robert Schmidt	Son	—	18	~1922

Census Appearances

1920

Montgomery, Ohio

Spouse, age 28

Montgomery, Ohio · implied b. ~1892 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schmidt
Given Name	Clara
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Montgomery, Ohio

Spouse, age 40

Montgomery, Ohio · implied b. ~1890 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schmidt
Given Name	Clara
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	17
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	none
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Montgomery-County, Ohio

Spouse, age 48

Montgomery-County, Ohio · implied b. ~1892 — 4 household members

Surname	Schmidt
Given Name	Clara A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Dayton City
1935 Residence (County)	Montgomery
Highest Grade	No 6
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

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

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This person

Anchor record

Clara Schmidt

Spouse · 1940 · age 48 · b. ~1892 · Ohio

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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 — Montgomery-County, Ohio Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03255-00598)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ira J. Moll	52	Son	Cashier	Ohio
2	Everett E. Moll	35	Son	Service Man	Ohio
3	Viola E. Lapsure	46	Daughter	—	Ohio
4	Marcellus Schmidt	47	Head	Accountant	Ohio
5	Clara A. Schmidt THIS PERSON	48	Wife	—	Ohio
6	Mary G. Schmidt	23	Daughter	Secretary	Ohio
7	Robert Schmidt	18	Son	—	Ohio
8	William C. Henger	61	Head	Principal	Ohio
9	Lucy Henger	60	Wife	—	Ohio
10	Samuel Honeyman	73	Brother in law	Salesman	Ohio
11	Casper J. Isabel	49	Head	Book Binder	Ohio
12	Johanna M. Isabel	48	Wife	—	Ohio
13	Louis C. Isabel	23	Son	Circulating	Ohio
14	Marjorie L. Isabel	21	Daughter	Sales Clerk	Ohio
15	Charles J. Heilman	59	Head	Roaster	Ohio
16	Bertha Heilman	58	Wife	—	Ohio
17	Mildred Heilman	34	Daughter	Bookkeeper	Ohio
18	Barbara J. Peters	80	Mother in law	—	Ohio
19	Ralph A. Van Derau	43	Head	Revenue Man	Ohio
20	Ruth A. Van Derau	43	Wife	—	Ohio
21	Ralph C. Van Derau	20	Son	Clerk	Ohio
22	Martha Ann Van Derau	17	Daughter	—	Ohio
23	Marianne Van Derau	16	Daughter	—	Ohio
24	Richard Van Derau	13	Son	—	Ohio
25	Frederic Van Derau	11	Son	—	Ohio
26	William Van Derau	9	Son	—	Ohio
27	Grace S. Toland	64	Mother in law	Practical Nurse	Illinois
28	Willie K. Krumbholz	41	Head	Salesman	Germany
29	Helen Krumbholz	45	Wife	—	Germany
30	Kurt Krumbholz	14	Son	—	Germany
31	Shirley Krumbholz	10	Daughter	—	Ohio
32	Anna P. Abrat	66	Mother in law	—	Germany
33	Clyde Marquard	33	Son in law	Draftsman	Ohio
34	Leola A. Marquard	28	Daughter	Bookkeeper	Ohio
35	Minnie M. Hoefer	46	Head	—	Ohio
36	Dolores V. Hoefer	18	Daughter	General Office Work	Ohio
37	Matilda Kern	81	Head	—	Ohio
38	Nellie M. Kern	60	Daughter	Stenographer	Ohio
39	Fred M. Jacobs	30	Head	Clerical Work	Ohio

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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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