Grace Clark — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Marion-County, Indiana

Our Model Tree links this Grace Clark across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 3-person household.

Age 39 b. ~1901 Female Spouse Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Marion-County, Indiana
Surname	Clark
Given Name	Grace M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Philippine Is.
Additional Details
Hours Worked	0
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Philippine Is.
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Unincorporated Place Ft Benjamin Harrison
Est. Birth Year	~1901

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 Grace	Age	Birth yr
Raymond Clark	Head	—	42	~1898
Thomas Clark	Son	—	4	~1936
Grace Clark	Spouse	—	39	~1901

Census Appearances

1920

Marion, Indiana

Spouse, age 18

Marion, Indiana · implied b. ~1902 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Grace
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	18
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Marion, Indiana

Spouse, age 27

Marion, Indiana · implied b. ~1903 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Grace
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	20
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Marion-County, Indiana

Spouse, age 39

Marion-County, Indiana · implied b. ~1901 — 3 household members

Surname	Clark
Given Name	Grace M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Philippine Is.
Hours Worked	0
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Philippine Is.
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links Grace 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

Grace Clark

Spouse · 1940 · age 39 · b. ~1901 · Indiana

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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 — Marion-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01075-00590)

Line	Name	Age	Relation	Occupation	Birthplace
41	Richard E. Schrader	23	Head	Soldier	Kentucky
42	Joe E. Likes	19	Head	Soldier	Kentucky
43	Vernon B. Smith	20	Head	Soldier	Ohio
44	George E. Swafford	18	Head	Soldier	Indiana
45	William R. Sylvester	22	Head	Soldier	Indiana
46	Estill Sharp	23	Head	Soldier	Kentucky
47	Drew Thompson	18	Head	Soldier	Kentucky
48	George T. Vise	19	Head	Soldier	Indiana
49	Earl Wilson	21	Head	Soldier	Kentucky
50	Elton E. Woodcock	21	Head	Soldier	Kentucky
51	Joe E. Lane	21	Head	Soldier	Indiana
52	Cavelle J. (Ab) Walker	42	Head	Soldier	Mississippi
53	Lee Walker	27	Wife	—	Colorado
54	Betty J. Walker	4	Daughter	—	Missouri
55	Michael J. (Ab) Barry	42	Head	Soldier	New Jersey
56	Ruby B. Barry	35	Wife	—	Indiana
57	Barbara J. Barry	18	Daughter	—	Indiana
58	Mary E. Barry	11	Daughter	—	Indiana
59	Kathryn R. Barry	7	Daughter	—	Indiana
60	Augustus F. (Ab) Riffett	43	Head	Soldier	Kentucky
61	Josephine Riffett	33	Wife	—	Mississippi
62	Mary Riffett	11	Daughter	—	Indiana
63	Jose I. (Ab) Madeiros	45	Head	Soldier	Portugal
64	Martha Anna Madeiros	33	Wife	—	Georgia
65	Morelle H. (Ab) Floyd	44	Head	Soldier	Indiana
66	Evelyn L. Floyd	34	Wife	—	Illinois
67	Carl L. Floyd	10	Son	—	Illinois
68	John J. Stibal	35	Head	Soldier	Missouri
69	Dorothy Stibal	32	Wife	—	Indiana
70	Doris J. Stibal	12	Step daughter	—	Indiana
71	Raymond T. (Ab) Clark	42	Head	Soldier	Georgia
72	Grace M. Clark THIS PERSON	39	Wife	—	Indiana
73	Thomas J. Clark	4	Son	—	Indiana
74	Anthon F. (Ab) Pawlak	38	Head	Soldier	Texas
75	Bertha L. Pawlak	33	Wife	—	Wisconsin
76	William T. (Ab) Farmer	46	Head	Soldier	Kentucky
77	Alice P. Farmer	46	Wife	—	Indiana
78	Jarrel G. Farmer	21	Son	—	Indiana
79	William D. Farmer	19	Son	—	Indiana
80	Theodore (Ab) Cox	35	Head	Soldier	Kentucky

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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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