Mary Hess — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, Kentucky

Our Model Tree links this Mary Hess across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 3-person household.

Age 62 b. ~1878 Female Head Born: Kentucky Widowed

1940 Census Record Details

Census Year	1940
Location	Jefferson-County, Kentucky
Surname	Hess
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	62
Marital Status	Widowed
Birthplace	Kentucky
1935 Residence (City)	Louisville City
1935 Residence (County)	Jefferson
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Township / Ward	Louisville City
Est. Birth Year	~1878

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
Katherine King	Daughter	—	30	~1910
Mary Hess	Head	—	62	~1878
Fred King	Other	—	37	~1903

Census Appearances

1920

Jefferson, Kentucky

Spouse, age 37

Jefferson, Kentucky · implied b. ~1883 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hess
Given Name	Mayme
Relationship to Head	wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Kentucky
Father's Birthplace	Germany
Mother's Birthplace	Kentucky
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Jefferson, Kentucky

Spouse, age 49

Jefferson, Kentucky · implied b. ~1881 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hess
Given Name	Mary G
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Kentucky
Age at First Marriage	25
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Can Read/Write	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Jefferson-County, Kentucky

Head, age 62

Jefferson-County, Kentucky · implied b. ~1878 — 3 household members

Surname	Hess
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	62
Marital Status	Widowed
Birthplace	Kentucky
1935 Residence (City)	Louisville City
1935 Residence (County)	Jefferson
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Linked across censuses

Our Model Tree links Mary Hess 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 Hess

Head · 1940 · age 62 · b. ~1878 · Kentucky

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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 — Jefferson-County, Kentucky Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01367-00191)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mary Hess THIS PERSON	62	Head	—	Kentucky
42	Fred King	37	Son-in-law	Truck Driver	Kentucky
43	Katherine King	30	Daughter	—	Kentucky
44	Anna Williams	55	Head	Typist	Kentucky
45	Mary Lou Williams	3	Daughter	—	Kentucky
46	Frank Samyons	23	Head	Washer	Kentucky
47	Ruth Samyons	19	Wife	—	Kentucky
48	Frank Jr. Samyons	0	Son	—	Kentucky
49	Chas Washington	48	Head	Garage Helper	Kentucky
50	Clara Washington	43	Wife	—	Kentucky
51	Martin Washington	14	Son	—	Kentucky
52	Milton Washington	7	Son	—	Kentucky
53	Raymond Washington	4	Son	—	Kentucky
54	Jesse Stokes	40	Head	Asst. Tipper	Kentucky
55	Louie Stokes	36	Wife	—	Oklahoma
56	Andrew Nis	66	Lodger	—	Alabama
57	Thomas M. Smith	70	Head	Laborer	Kentucky
58	Birdie Smith	57	Wife	Cook	Kentucky
59	Thomas Jr. Smith	17	Son	New Worker	Kentucky
60	Ida Williams	26	Head	Laundry Day	Kentucky
61	Mae Bell	42	Head	Cleaning	Kentucky
62	Helen Bell	32	Wife	—	Tennessee
63	Mary Mundy	39	Head	Cook	Kentucky
64	John Hatchett	43	Head	Porter	Georgia
65	Gena Hatchett	36	Wife	—	Georgia
66	Walter Keller	72	Head	—	Kentucky
67	Mandy Keller	69	Wife	Cleaner	Kentucky
68	Dudley Johnson	66	Head	Junking	Kentucky
69	Mahla Johnson	63	Wife	—	Kentucky
70	Dudley Jr. Johnson	34	Son	Janitor	Kentucky
71	Louis Watkins	54	Head	Fireman	Kentucky
72	Mattie Watkins	42	Wife	—	Tennessee
73	Joshua Mcquiney	69	Head	Machine Feeder	Kentucky
74	Ella Mcquiney	57	Wife	—	Kentucky
75	Pearl Eubanks	55	Lodger	Cook	Kentucky
76	Louis Stallard	50	Head	Porter	Kentucky
77	Grace Townard	46	Partner	—	Alabama
78	Odessa Alexander	29	Daughter	Cleaner	Alabama
79	Henry Alexander	10	Grandson	—	Alabama
80	Grace Alexander	7	Granddaughter	—	Alabama

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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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