Ruth Cox — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Marion-County, Indiana

Our Model Tree links this Ruth Cox across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Earl & Elmer — first a spouse (b.~1908), then head of a 6-person household.

Age 32 b. ~1908 Female Spouse Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Marion-County, Indiana
Surname	Cox
Given Name	Ruth
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Additional Details
Occupation	0
Class of Worker	0
Highest Grade	Hs 1
1935 Residence	Same House
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	0
Township / Ward	Indianapolis
Est. Birth Year	~1908

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.

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

Name	Relation to head	Relative to Ruth	Age	Birth yr
Ruth Cox	Spouse	—	32	~1908
Wilma Cox	Daughter	—	2	~1938
Leon Cox	Son	—	10	~1930
Francis Cox	Head	—	36	~1904
Edgar Cox	Son	—	7	~1933
Bobbie Cox	Son	—	9	~1931

Census Appearances

1920

Marion, Indiana

Daughter, age 12

Marion, Indiana · implied b. ~1908 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cox
Given Name	Ruth G.
Relationship to Head	daughter
Sex	F
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Marion, Indiana

Daughter, age 21

Marion, Indiana · implied b. ~1909 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cox
Given Name	Ruth E.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Bookkeeper
Industry	Clock mfg. house
Class of Worker	W
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Marion-County, Indiana

Spouse, age 32

Marion-County, Indiana · implied b. ~1908 — 6 household members

Surname	Cox
Given Name	Ruth
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Occupation	0
Class of Worker	0
Highest Grade	Hs 1
1935 Residence	Same House
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Model Tree available

Our Model Tree links Ruth Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Cox (~0.92 confidence) and father Elmer Wilson (~0.60 confidence) and mother Martha Cox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.81

Father

Earl Cox

b. ~1883

Source father

● Household · direct · ~0.92

Father

Elmer Wilson

b. ~1900

Source father

● Household · direct · ~0.6

Mother

Martha Cox

b. ~1889

Source mother

● Household · direct · ~0.92

This person

Anchor record

Ruth Cox

Spouse · 1940 · age 32 · b. ~1908 · Indiana

★ You are viewing this record

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-t0627-01128-01018)

Line	Name	Age	Relation	Occupation	Birthplace
1	Fay Jett	30	Wife	0	Indiana
2	Elsie Washburn	50	Mother-in-law	Housekeeper	Indiana
3	Floyd Stainbrook	32	Head	Punch Press Operator	Indiana
4	Ruth Stainbrook	30	Wife	0	Indiana
5	Sandra K. Stainbrook	0	Daughter	—	Indiana
6	Francis Cox	36	Head	Machine Operator	Indiana
7	Ruth Cox THIS PERSON	32	Wife	0	Indiana
8	Leon Cox	10	Son	—	Indiana
9	Bobbie Cox	9	Son	—	Indiana
10	Edgar Cox	7	Son	—	Indiana
11	Wilma Cox	2	Daughter	—	Indiana
12	Dan Hardwick	24	Head	Machinist	Illinois
13	Phoebe Hardwick	21	Wife	0	Indiana
14	Stella Hardwick	1	Daughter	—	Indiana
15	George Payne	17	Brother-in-law	New Worker	Kentucky
16	David Robinson	25	Head	Press Operator	Indiana
17	Clara Robinson	24	Wife	0	Missouri
18	David Lee Robinson	6	Son	—	Indiana
19	James S. Robinson	3	Son	—	Indiana
20	Ralph D. Robinson	1	Son	—	Indiana
21	Jack Foote	24	Head	Electrician	Illinois
22	Lola Foote	24	Wife	Record Maker	Indiana
23	Norma Foote	4	Daughter	—	Indiana
24	Joan Foote	2	Daughter	—	Indiana
25	Lettie Tympus	61	Head	0	Kentucky
26	Les Smart	20	Head	Punch Press Operator	Illinois
27	Viola Smart	19	Wife	0	Indiana
28	Robert Smart	0	Son	—	Indiana
29	Margaret Offringa	62	Head	0	Holland
30	William Offringa	34	Son	Milk Man	Indiana
31	John Offringa	32	Son	Fireman	Indiana
32	William Gosbaby	45	Head	Salesman	Kentucky
33	Inez Gosbaby	35	Wife	0	Indiana
34	Lolotta Gosbaby	7	Daughter	—	Indiana
35	Benjamin Grey	72	Head	Collector Salesman	Indiana
36	Portilla Grey	46	Wife	0	South Wales
37	Rufus D. Jennings	80	Head	0	North Carolina
38	Rose Jennings	72	Wife	0	Indiana
39	Harold Mitchell	35	Head	Pully Builder	Indiana
40	Mary Mitchell	31	Wife	0	Indiana

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Pedigree Summary

Ruth

Gen 1 · 3 parents ~0.81

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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