Mary Hartman — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Tennessee

Our Model Tree links this Mary Hartman across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Tennessee (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 4-person household.

Age 43 b. ~1897 Female Spouse Born: Tennessee Married

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Tennessee
Surname	Hartman
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Tennessee
1935 Residence (City)	Dayton Pike
1935 Residence (County)	Hamilton
Additional Details
Highest Grade	H 4
1935 Residence	Tennessee
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee
Township / Ward	Dayton Pike
Est. Birth Year	~1897

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Edgar Hartman	Head	—	48	~1892
Lettie Hartman	Other	—	74	~1866
Jack Hartman	Son	—	17	~1923
Mary Hartman	Spouse	—	43	~1897

Census Appearances

1920

Hamilton, Tennessee

Spouse, age 24

Hamilton, Tennessee · implied b. ~1896 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hartman
Given Name	Mamie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	24
Marital Status	Married
Birthplace	Tennessee
Father's Birthplace	Tennessee
Mother's Birthplace	Tennessee
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

1930

Hamilton, Tennessee

Spouse, age 32

Hamilton, Tennessee · implied b. ~1898 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hartman
Given Name	Mamie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Tennessee
Age at First Marriage	13
Father's Birthplace	Tennessee
Mother's Birthplace	Tennessee
Can Read/Write	Yes
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

1940

Hamilton-County, Tennessee

Spouse, age 43

Hamilton-County, Tennessee · implied b. ~1897 — 4 household members

Surname	Hartman
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Tennessee
1935 Residence (City)	Dayton Pike
1935 Residence (County)	Hamilton
Highest Grade	H 4
1935 Residence	Tennessee
Birth State	Tennessee
Birth Country	United States
Birthplace (normalized)	tennessee

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 43 · b. ~1897 · Tennessee

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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 — Hamilton-County, Tennessee Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03899-00026)

Line	Name	Age	Relation	Occupation	Birthplace
1	C. Claud Laymons	35	Head	Machinist	Tennessee
2	Eunice Laymons	27	Wife	—	Alabama
3	Bettye Lee Laymons	10	Daughter	—	Tennessee
4	Ima Jane Laymons	7	Daughter	—	Tennessee
5	James Gentry	27	Head	Laborer	Alabama
6	Pixley Gentry	26	Wife	—	Georgia
7	Virginia Gentry	9	Daughter	—	Tennessee
8	Frances Gentry	8	Daughter	—	Tennessee
9	Dorothy Gentry	6	Daughter	—	Tennessee
10	Jimmie Jr. Gentry	3	Son	—	Tennessee
11	Charles Gentry	1	Son	—	Tennessee
12	Evelyn Ruth Gentry	0	Daughter	—	Tennessee
13	James J. Green	55	Head	Merchant	Tennessee
14	Lenora Green	53	Wife	—	Georgia
15	Julius Green	16	Son	Odd Jobs	Chattanooga
16	Lemuel Hill	21	Head	Laborer	Tennessee
17	Lucile Hill	20	Wife	—	Tennessee
18	Ruth Hill	0	Daughter	—	Tennessee
19	Joe Schmidt	46	Head	Sheet Metal	Germany
20	Bertha Schmidt	40	Wife	—	Tennessee
21	Edgar Hartman	48	Head	Warden	Tennessee
22	Mary Hartman THIS PERSON	43	Wife	—	Tennessee
23	Jack Hartman	17	Son	Student	Tennessee
24	Lettie Hartman	74	Mother	—	Tennessee
25	Lee Rogers	38	Head	Merchant	Tennessee
26	Helen Rogers	32	Wife	—	Tennessee
27	Laura Lee Rogers	5	Daughter	—	Tennessee
28	John Hullett Rogers	3	Son	—	Tennessee
29	Charles L. Rogers	1	Son	—	Tennessee
30	Leonard E. Welch	25	Head	Lineman	Tennessee
31	Jessie Welch	27	Wife	Spinner	Tennessee
32	William T. Welch	74	Father-in-law	—	Tennessee
33	Nila Welch	71	Mother-in-law	—	Tennessee
34	Ray Rogers	41	Head	Textile Worker	Tennessee
35	Hattie Rogers	40	Wife	—	Georgia
36	Joyce Rogers	12	Daughter	—	Tennessee
37	John Rogers	67	Father	Odd Jobs	Tennessee
38	James Riggs	54	Head	Odd Jobs	Tennessee
39	Massie Riggs	49	Wife	—	Tennessee

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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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