Mary Ball — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Rush-County, Indiana

Our Model Tree links this Mary Ball across the 1920, 1930 and 1940 US Censuses in Rush-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.

Age 72 b. ~1868 Female Head Born: Indiana Widowed

1940 Census Record Details

Census Year	1940
Location	Rush-County, Indiana
Surname	Ball
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	72
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Carthage town
1935 Residence (County)	Rush
Additional Details
Income (1939)	0
Highest Grade	No 4
1935 Residence	Same house
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Carthage Town
Est. Birth Year	~1868

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 Mary	Age	Birth yr
Mauly Plummer	Daughter	—	48	~1892
Mary Ball	Head	—	72	~1868
Bernie Plummer	Other	—	54	~1886

Census Appearances

1920

Rush, Indiana

Spouse, age 50

Rush, Indiana · implied b. ~1870 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ball
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Kentucky
Mother's Birthplace	Indiana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Rush, Indiana

Other, age 60

Rush, Indiana · implied b. ~1870 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ball
Given Name	Mary
Relationship to Head	wife-H
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	42
Father's Birthplace	Kentucky
Mother's Birthplace	Indiana
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Rush-County, Indiana

Head, age 72

Rush-County, Indiana · implied b. ~1868 — 3 household members

Surname	Ball
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	72
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Carthage town
1935 Residence (County)	Rush
Income (1939)	0
Highest Grade	No 4
1935 Residence	Same house
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Ball

Head · 1940 · age 72 · b. ~1868 · 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 — Rush-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01091-00215)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary Virginia Moore	36	Wife	—	Indiana
2	Charlotte Ann Moore	9	Daughter	—	Indiana
3	Robert Eugene Moore	8	Son	—	Indiana
4	James D Collins	53	Head	Shoe Repair	Indiana
5	Opal M Collins	40	Wife	Cream Tester	Indiana
6	Charles Hoover	15	Son	—	Indiana
7	Virginia Hoover	12	Daughter	—	Indiana
8	Frederick Ring	42	Head	Laborer	Kentucky
9	Rachel Ring	42	Wife	Beautician	Indiana
10	Juanita Ring	11	Daughter	—	Indiana
11	Robert Lee Ring	7	Son	—	Indiana
12	George Jr Mcnutt	41	Head	Medical Doctor	Indiana
13	Vera Mcnutt	42	Wife	—	Indiana
14	George Jr Mcnutt	20	Son	—	Indiana
15	Richard C Mcnutt	13	Son	—	Indiana
16	Rebecca Healey	69	Head	—	Indiana
17	Effie J Healey	82	Head	—	Indiana
18	Mary Ball THIS PERSON	72	Head	—	Indiana
19	Bernie Plummer	54	Son-in-law	Farm Laborer	Indiana
20	Mauly Plummer	48	Daughter	—	Indiana
21	Alonzo King	82	Head	—	Germany
22	Melvina King	78	Wife	—	Germany
23	Hubert Hunt	31	Head	—	Indiana
24	Ruth Hunt	30	Wife	Stenographer	Indiana
25	Ralph Moore	43	Head	Electrician	Indiana
26	Dolesa Mae Moore	39	Wife	—	Indiana
27	Geraldine Ann Moore	10	Daughter	—	Indiana
28	Howard Henley	57	Head	Cashier	Indiana
29	Willella Henley	49	Wife	—	Indiana
30	Marcia Henley	21	Daughter	—	Indiana
31	James Henley	19	Son	—	Indiana
32	Walter Dhenon	44	Head	Office Manager	Indiana
33	Hazel Dhenon	43	Wife	—	Indiana
34	Betty Lou Dhenon	16	Daughter	—	Indiana
35	Robert C Dhenon	6	Son	—	Indiana
36	Fred John	49	Head	Contract Carrier	Indiana
37	Grace O John	47	Wife	—	Indiana
38	Conrad King	79	Head	—	Indiana
39	Michael Lovett	75	Head	—	Indiana
40	Edith Lovett	68	Wife	—	Indiana

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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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