Gladys Clark — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Sac-County, Iowa

Our Model Tree links this Gladys Clark across the 1920, 1930 and 1940 US Censuses in Sac-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 3-person household.

Age 52 b. ~1888 Female Head Born: Iowa Widowed

1940 Census Record Details

Census Year	1940
Location	Sac-County, Iowa
Surname	Clark
Given Name	Gladys A.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	52
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Lake View town
1935 Residence (County)	Sac
Additional Details
Hours Worked	40
Highest Grade	H-4
1935 Residence	Same Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Lake View Town
Est. Birth Year	~1888

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.

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

Name	Relation to head	Relative to Gladys	Age	Birth yr
Gladys Clark	Head	—	52	~1888
Ruth Clark	Daughter	—	19	~1921
Alice Clark	Daughter	—	15	~1925

Census Appearances

1920

Sac, Iowa

Other, age 32

Sac, Iowa · implied b. ~1888 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Gladys
Relationship to Head	Daughter-in-law
Sex	F
Color / Race	White
Age	32
Marital Status	Married
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

Sac, Iowa

Other, age 43

Sac, Iowa · implied b. ~1887 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Gladys
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	29
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Sac-County, Iowa

Head, age 52

Sac-County, Iowa · implied b. ~1888 — 3 household members

Surname	Clark
Given Name	Gladys A.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	52
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Lake View town
1935 Residence (County)	Sac
Hours Worked	40
Highest Grade	H-4
1935 Residence	Same Place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

Gladys Clark

Head · 1940 · age 52 · b. ~1888 · 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-t0627-01201-00836)

Line	Name	Age	Relation	Occupation	Birthplace
1	James O. Scanley	41	Head	Holding	Missouri
2	Lenore O. Scanley	42	Wife	—	Iowa
3	James W. Scanley	11	Son	—	Iowa
4	Merlin Findley	30	Head	Laborer	Iowa
5	Ruth A. Findley	28	Wife	—	Iowa
6	David Findley	0	Son	—	Iowa
7	Clark Buxton	29	Head	Laborer	Missouri
8	Grace A. Buxton	26	Wife	—	Missouri
9	Opal Buxton	9	Daughter	—	Missouri
10	Evelyn Buxton	6	Daughter	—	Missouri
11	Shirley Buxton	4	Daughter	—	Missouri
12	Clarence Mcconnell	27	Head	Gasoline	Missouri
13	Opal A. Mcconnell	28	Wife	—	Missouri
14	Jack Mcconnell	5	Son	—	Missouri
15	Darlene Mcconnell	1	Daughter	—	Iowa
16	Ray Thagner	31	Head	—	Iowa
17	Dorothy A. Thagner	25	Wife	—	Iowa
18	Anna A. Scheffer	57	Head	—	Iowa
19	Elma Mae Scheffer	16	Daughter	Waitress	Iowa
20	Lyle P. Auen	23	Lodger	Laborer	Wisconsin
21	Conrad Scheffer	19	Son	Laborer	Iowa
22	John Strodden	35	Head	Cement Mixer	Iowa
23	Irene Strodden	35	Wife	—	Iowa
24	Charles Spencer	60	Head	Manager	England
25	Florence M. Spencer	50	Wife	—	Iowa
26	James Simpson	90	Father-in-law	—	England
27	Peter Eastridge	27	Head	Salesman	Kansas
28	Evelyn Eastridge	24	Wife	—	Iowa
29	Mary Eastridge	3	Daughter	—	Iowa
30	Bricel D. Miller	64	Head	Proprietor	Illinois
31	Vesta Miller	60	Wife	—	Wisconsin
32	Gladys A. Clark THIS PERSON	52	Head	—	Iowa
33	Ruth Clark	19	Daughter	Secretarial Work	Iowa
34	Alice Clark	15	Daughter	—	Iowa
35	Kimball Armstrong	83	Head	Farmer	Iowa
36	Nettie Armstrong	78	Wife	—	Iowa
37	Burson Crans	37	Head	Postal Clerk	Iowa
38	Margaret Crans	36	Wife	—	Iowa
39	Elizabeth Crans	14	Daughter	—	Iowa
40	Josephine Crans	5	Daughter	—	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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