Mary Hartman — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Franklin-County, Ohio

Our Model Tree links this Mary Hartman across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 5-person household.

Age 74 b. ~1866 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Franklin-County, Ohio
Surname	Hartman
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	74
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Columbus
1935 Residence (County)	Franklin
Additional Details
Occupation	postal employee
Industry	U.S. Postal Dept
Class of Worker	GW
Hours Worked	8
Income (1939)	0
Highest Grade	H-8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Postal Employee
Township / Ward	Columbus
Est. Birth Year	~1866

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
James Hartman	Head	—	75	~1865
Paul Hartman	Other	—	3	~1937
Jane Rock	Other	—	32	~1908
Paul Hartman	Son	—	32	~1908
Mary Hartman	Spouse	—	74	~1866

Census Appearances

1920

Franklin, Ohio

Spouse, age 52

Franklin, Ohio · implied b. ~1868 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hartman
Given Name	Mary S
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Franklin, Ohio

Other, age 64

Franklin, Ohio · implied b. ~1866 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hartman
Given Name	Mary E.
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	25
Father's Birthplace	Ohio
Mother's Birthplace	New York
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Franklin-County, Ohio

Spouse, age 74

Franklin-County, Ohio · implied b. ~1866 — 5 household members

Surname	Hartman
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	74
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Columbus
1935 Residence (County)	Franklin
Occupation	postal employee
Industry	U.S. Postal Dept
Class of Worker	GW
Hours Worked	8
Income (1939)	0
Highest Grade	H-8
1935 Residence	Same house
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Mary Hartman 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 Hartman

Spouse · 1940 · age 74 · b. ~1866 · Ohio

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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 — Franklin-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03248-00558)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ruth Pegg	67	Mother	—	Ohio
2	Ruth M. Pegg	23	Sister	—	Ohio
3	Grant E. Melvin	41	Head	Instructor In Nursing	Ohio
4	Frances Melvin	39	Wife	Manager	Ohio
5	Patricia Rundio	15	Daughter	Secretary	Ohio
6	Robert Crawford	29	Brother-in-law	Clerk	Ohio
7	Violet E. Kinnamon	64	Head	—	Indiana
8	Myron J. Rodebaugh	35	Head	Manager	Ohio
9	Anna S. Rodebaugh	71	Mother	—	Ohio
10	Mary E. Rodebaugh	40	Sister	—	Ohio
11	Kree D. Hoskins	76	Head	Salesperson	Ohio
12	Nina D. Cole	64	Companion	—	Ohio
13	James E. Hartman	75	Head	Companion	Ohio
14	Mary E. Hartman THIS PERSON	74	Wife	Postal Employee	Ohio
15	Paul T. Hartman	32	Son	—	Ohio
16	Paul, Jr. Hartman	3	Grand-son	Department Manager	Ohio
17	Jane Rock	32	Lodger	Typist	Ohio
18	Francis S. Noyle	40	Head	Dentist	Ohio
19	Mary M. Noyle	35	Wife	—	Ohio
20	Justus Noyle	10	Son	—	Ohio
21	Daniel Noyle	8	Son	—	Ohio
22	Lawrence Noyle	8	Son	—	Ohio
23	Donna Marie Noyle	6	Daughter	—	Ohio
24	David Noyle	1	Son	—	Ohio
25	Mamie Burton	57	Housekeeper	Housekeeper	Ohio
26	Jean M. Butterfield	20	Head	—	Ohio
27	Rita Butterfield	19	Daughter	—	Iowa
28	Irma S. Muessig	43	Head	—	Germany
29	Siegfried Muessig	18	Son	Laboratory Technician	Germany
30	Eckehard Muessig	16	Son	Salesperson	Germany
31	Cancelled	None	—	—	—
32	—	None	—	—	—
33	—	None	—	—	—
34	—	None	—	—	—
35	Charles A. Dolby	26	Head	Sales Representative	Indiana
36	Cancelled	None	—	—	—
37	Eva G. Mcclure	51	Head	—	Missouri
38	Joseph H. Jr. Mcclure	25	Son	Special Agent	Ohio
39	Lydia Ann Mcclure	21	Daughter	Library Assistant	Ohio
40	Marjorie Mcclure	18	Daughter	Clerical Work	Ohio

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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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