Ruth Clark — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Appanoose-County, Iowa

Our Model Tree links this Ruth Clark across the 1920, 1930 and 1940 US Censuses in Appanoose-County, Iowa (XGBoost, ~Confirmed), with identified parents John & Ollie — first a spouse (b.~1904), then head of a 7-person household.

Age 36 b. ~1904 Female Spouse Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Appanoose-County, Iowa
Surname	Clark
Given Name	Ruth O
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Sioux City
1935 Residence (County)	Woodbury
Additional Details
Highest Grade	C 4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Mystic City
Est. Birth Year	~1904

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 Ruth	Age	Birth yr
Esther Clark	Daughter	—	9	~1931
Gaylord Clark	Head	—	39	~1901
Paul Clark	Son	—	3	~1937
Ernest Clark	Son	—	11	~1929
Junior Clark	Son	—	8	~1932
John Clark	Son	—		~1940
Ruth Clark	Spouse	—	36	~1904

Census Appearances

1920

Appanoose, Iowa

Daughter, age 15

Appanoose, Iowa · implied b. ~1905 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Ruth E
Relationship to Head	daughter
Sex	F
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Appanoose, Iowa

Daughter, age 25

Appanoose, Iowa · implied b. ~1905 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Ruth
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Teacher
Industry	Public school
Class of Worker	W
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Appanoose-County, Iowa

Spouse, age 36

Appanoose-County, Iowa · implied b. ~1904 — 7 household members

Surname	Clark
Given Name	Ruth O
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Sioux City
1935 Residence (County)	Woodbury
Highest Grade	C 4
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

Our Model Tree links Ruth Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Clark (~0.92 confidence) and mother Ollie Clark (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Clark

b. ~1865

Source father

● Household · direct · ~0.92

Mother

Ollie Clark

b. ~1873

Source mother

● Household · direct · ~0.92

This person

Anchor record

Ruth Clark

Spouse · 1940 · age 36 · b. ~1904 · 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 — Appanoose-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01137-00014)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mona S Shucks	11	Son	—	Iowa
2	Fredric Shucks	9	Son	—	Iowa
3	Gilla Shucks	7	Daughter	—	Iowa
4	Dixie Shucks	3	Daughter	—	Iowa
5	Robert Shucks	0	Son	—	Iowa
6	Emma O Garrison	50	Head	—	Missouri
7	Bernice Garrison	29	Daughter	Teacher	Illinois
8	Ray Levanson	49	Head	Undertaker	Iowa
9	Muriel A Levanson	53	Wife	—	England
10	Ruth Levanson	26	Daughter	Embalmer	Iowa
11	Sarah A Van Meter	77	Head	—	England
12	Isabel O Kay	69	Head	—	Ohio
13	Eva O Hummer	79	Head	—	Iowa
14	Ned R Clark	19	Head	Salesman	Michigan
15	Ruth Clark	19	Wife	—	Missouri
16	Ned Ronald Clark	0	Son	—	Iowa
17	Scafield Hubbard	42	Head	Saleswoman	Iowa
18	Cora B Gray	65	Head	—	Illinois
19	Gaylord Clark	39	Head	Superintendent	Iowa
20	Ruth O Clark THIS PERSON	36	Wife	—	Iowa
21	Ernest Clark	11	Son	—	Kentucky
22	Esther Clark	9	Daughter	—	Kentucky
23	Junior Clark	8	Son	—	Montana
24	Paul Clark	3	Son	—	Iowa
25	John Clark	0	Son	—	Iowa
26	Lester Breese	33	Head	Embalmer	Iowa
27	Alice O Breese	29	Wife	—	Iowa
28	Ray O Fulperson	57	Head	Proprietor	Iowa
29	Cill Long	41	Son in law	Driller	Iowa
30	Lucille Long	35	Daughter	—	Iowa
31	Lester D Zimmer	37	Head	Delivery Man	Nebraska
32	Doris A Zimmer	25	Wife	—	Kansas
33	Nellie Zimmer	6	Daughter	—	Iowa
34	Kenny Zimmer	2	Son	—	Iowa
35	Walter O Bradley	73	Head	—	England
36	Ella O Clark	52	Head	—	Iowa
37	Ray Clark	15	Son	Newsboy	Iowa
38	Zitfield Young	51	Head	Digger	Iowa
39	Edna O Young	53	Wife	—	Iowa
40	Thomas Young	18	Son	—	Iowa

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Pedigree Summary

Ruth

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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