Mary Hoffman — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Marion-County, Indiana

Our Model Tree links this Mary Hoffman across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1859), then head of a 3-person household.

Age 81 b. ~1859 Female Spouse Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Marion-County, Indiana
Surname	Hoffman
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	81
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Additional Details
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Indianapolis
Est. Birth Year	~1859

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
John Hoffman	Head	—	88	~1852
Harry Hoffman	Son	—	57	~1883
Mary Hoffman	Spouse	—	81	~1859

Census Appearances

1920

Marion, Indiana

Spouse, age 61

Marion, Indiana · implied b. ~1859 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffman
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Marion, Indiana

Other, age 71

Marion, Indiana · implied b. ~1859 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffman
Given Name	Mary A.
Relationship to Head	wife-H
Sex	F
Color / Race	White
Age	71
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	18
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	none
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Marion-County, Indiana

Spouse, age 81

Marion-County, Indiana · implied b. ~1859 — 3 household members

Surname	Hoffman
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	81
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Indianapolis
1935 Residence (County)	Marion
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links Mary Hoffman 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 Hoffman

Spouse · 1940 · age 81 · b. ~1859 · 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-t0627-01126-00508)

Line	Name	Age	Relation	Occupation	Birthplace
1	Martin F Burke	51	Son	—	Indiana
2	Margaret M Burke	49	daughter	Tailoress	Indiana
3	Delia V Burke	45	daughter	Saleslady	Indiana
4	William B Faulkner	65	Head	—	Indiana
5	Edith M Faulkner	57	Wife	—	Indiana
6	Homer Read	32	Head	—	Kentucky
7	Mary Read	28	Wife	—	Indiana
8	Mary King	69	Boarder	Metal Pol.	Indiana
9	Mary Wade	61	Boarder	—	Indiana
10	Paddy O'Connor	44	Head	Press Feeder	Indiana
11	Libbie S Hughbank	76	Mother	—	Indiana
12	Hugh B Scott	25	Nephew	Saleslady	Indiana
13	Sam Addy	35	Lodger	Laborer	Indiana
14	Hazel Addy	31	Lodger	Inspector	Indiana
15	Irene Marlowe	58	Head	—	Indiana
16	Mary Marlowe	36	daughter	Clerical	Indiana
17	Wilhelmiola Whorley	30	daughter	Bookkeeper	Indiana
18	Eugene Whorley	12	Son	—	Indiana
19	John Hoffman	88	Head	—	Indiana
20	Mary Hoffman THIS PERSON	81	Wife	—	Indiana
21	Harry (Blas) Hoffman	57	Son	Traveling Salesman	Indiana
22	Stephen Fodiade	34	Head	Cook	Turkey
23	Agnes Fodiade	25	Wife	—	—
24	Sandra Fodiade	1	daughter	—	Indiana
25	Russell Hadley	27	Head	Carbonate Distributor	Indiana
26	Cella Carr Hadley	29	Wife	—	Illinois
27	Edwin Werner	55	Head	Printer	Kentucky
28	Elizabeth Werner	54	Wife	—	Ohio
29	Chester Werner	22	Son	—	Indiana
30	Edwin Paul Werner	20	Son	Knitter Helper	Indiana
31	Norval Biggs	42	Head	City Fireman	Ohio
32	Grace Biggs	39	Wife	—	Ohio
33	Endora Biggs	19	daughter	—	Ohio
34	Norval Jr Biggs	16	Son	Clerk	Ohio
35	Charles Thomas Biggs	1	Son	—	Indiana
36	James J (W) Bush	58	Head	—	Indiana
37	Robert V Fowler	56	Brother	Wood Carpenter	—
38	Elizabeth Fowler	51	Sister	—	Indiana
39	Mary F Bush	65	Sister	—	Kentucky
40	Alexander Dufek	31	Head	—	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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