Ruby Lewis — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this Ruby Lewis across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 2-person household.

Age 51 b. ~1889 Female Head Born: Kentucky Widowed

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Ohio
Surname	Lewis
Given Name	Ruby A.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	51
Marital Status	Widowed
Birthplace	Kentucky
1935 Residence (City)	Cincinnati (City)
1935 Residence (County)	Hamilton
Additional Details
Occupation	Maid
Industry	Priv home
Class of Worker	PW
Hours Worked	13
Income (1939)	120
Highest Grade	No 4
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Occupation	Maid
Township / Ward	Cincinnati City
Est. Birth Year	~1889

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.

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

Name	Relation to head	Relative to Ruby	Age	Birth yr
Benjamin Lewis	Son	—	32	~1908
Ruby Lewis	Head	—	51	~1889

Census Appearances

1920

Hamilton, Ohio

Spouse, age 30

Hamilton, Ohio · implied b. ~1890 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	Ruby
Relationship to Head	wife
Sex	F
Color / Race	Black
Age	30
Marital Status	Married
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Hamilton, Ohio

Head, age 41

Hamilton, Ohio · implied b. ~1889 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	Ruby
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	41
Marital Status	Widowed
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	10
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Hamilton-County, Ohio

Head, age 51

Hamilton-County, Ohio · implied b. ~1889 — 2 household members

Surname	Lewis
Given Name	Ruby A.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	51
Marital Status	Widowed
Birthplace	Kentucky
1935 Residence (City)	Cincinnati (City)
1935 Residence (County)	Hamilton
Occupation	Maid
Industry	Priv home
Class of Worker	PW
Hours Worked	13
Income (1939)	120
Highest Grade	No 4
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Linked across censuses

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

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This person

Anchor record

Ruby Lewis

Head · 1940 · age 51 · b. ~1889 · 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 — Hamilton-County, Ohio Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-03200-00463)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ruby A. Lewis THIS PERSON	51	Head	Maid	Kentucky
2	Benjamin D. Lewis	32	Son	Laborer	Kentucky
3	Isiah B. Mitchell	38	Head	Molder	Ohio
4	Edith D. Mitchell	38	Wife	—	Ohio
5	Oscar Dubose	49	Head	Laborer	Alabama
6	Estelle Dubose	44	Wife	—	Alabama
7	Curlen C. Hudson	24	Head	Porter	Ohio
8	Dorothy L. Hudson	25	Wife	—	Cinti
9	Ina B. Loprum	66	Head	—	Cinti
10	Chris W. Amis	53	Boarder	—	Tennessee
11	Lydia H. Schroeder	57	Head	—	Cinti
12	Carl H. Schroeder	41	Brother	Inspector	Cinti
13	Joseph Hennigen	55	Brother-in-law	Machinist	Cinti
14	Carrie L. Hennigen	54	Sister	—	Cinti
15	Nicholas Heisch	58	Head	Boiler Maker	Ohio
16	Barbara Heisch	54	Wife	—	Kentucky
17	Lawrence Heisch	32	Step-son	Butcher	Ohio
19	Carl A. Hummer	42	Head	Truck Driver	Ohio
20	Violet Hummer	36	Wife	—	Ohio
21	Carl A. Hummer	18	Son	Usher	Ohio
22	Dolores Hummer	15	Daughter	—	Ohio
23	Shirley Hummer	13	Daughter	—	Ohio
24	Rosemary Hummer	11	Daughter	—	Ohio
25	Jean Hummer	9	Daughter	—	Ohio
26	Harold Hummer	6	Son	—	Ohio
27	Lawrence Hummer	4	Son	—	Ohio
28	Carol Hummer	2	Daughter	—	Ohio
29	Clifford Hummer	0	Son	—	Ohio
30	Conrad Walters	59	Head	Machinist	Germany
31	Rose Walters	58	Wife	—	Ohio
32	John Wessel	51	Head	Lathe Hand	Ohio
33	Dolores Wessel	29	Wife	—	Ohio
34	Marilynn Wessel	7	Daughter	—	Ohio
36	Joseph Keller	58	Head	Carrier	Ohio
37	Jennie Keller	62	Wife	Storekeeper	Ohio
38	Albert H. Ostendorf	40	Head	Machinist	Ohio
39	Muriel Ostendorf	29	Wife	—	Indiana
40	Patsy Ostendorf	6	Daughter	—	Louisiana

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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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