RS
Ruth Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Ruth Smith across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Sam & Samuel — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Ohio
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Separated |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Housework |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 86 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Housework |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1916 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Smith | Daughter | — | 24 | ~1916 |
| Laura Smith | Head | — | 50 | ~1890 |
| Laurence Hillman | Other | — | 1 | ~1939 |
| Alvin Hillman | Other | — | 2 | ~1938 |
Census Appearances
1920
Hamilton, Ohio
Daughter, age 4
Hamilton, Ohio · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Daughter, age 14
Hamilton, Ohio · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 24
Hamilton-County, Ohio · implied b. ~1916 — 4 household members
| Surname | Smith |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Separated |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Housework |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 86 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ruth Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Smith (~0.92 confidence) and father Samuel Smith (~0.92 confidence) and mother Laura Smith (~0.92 confidence) and mother Laura Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Smith
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Samuel Smith
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Laura Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Laura Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Smith
Daughter · 1940 · age 24 · b. ~1916 · Ohio
★ You are viewing this record
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
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03191-00132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise E Branch | 10 | daughter | — | Ohio |
| 2 | Stella Mae Branch | 8 | daughter | — | Ohio |
| 3 | Arthur E Branch | 2 | son | — | Ohio |
| 4 | John Mcghee | 27 | Head | Laborer | Georgia |
| 5 | Sallie Mcghee | 24 | wife | — | Arkansas |
| 6 | Eva Bell | 39 | Head | — | Georgia |
| 7 | Sidney Washington | 28 | Roomer | Clerk | Ohio |
| 8 | David Winston | 30 | Roomer | Laborer | Tennessee |
| 9 | Alvin Mapp | 28 | Brother | Coal Dealer | Georgia |
| 10 | Fannie Grey | 41 | Roomer | Housework | Kentucky |
| 11 | Alice William | 67 | Head | — | Kentucky |
| 12 | Laura Smith | 50 | Head | — | Kentucky |
| 13 | Ruth Smith THIS PERSON | 24 | daughter | Housework | Ohio |
| 14 | Alvin Hillman | 2 | Grandson | — | Ohio |
| 15 | Laurence Hillman | 1 | Grandson | — | Ohio |
| 16 | Andrew Waters | 24 | Head | Recreation | Ohio |
| 17 | Esther Waters | 20 | wife | — | Kentucky |
| 18 | Joan Waters | 4 | daughter | — | Ohio |
| 19 | Mary Carr | 42 | Head | — | Kentucky |
| 20 | Gertrude Carr | 16 | daughter | — | Ohio |
| 21 | Robert Carr | 18 | Son | Helper | Ohio |
| 22 | Ethel Eden | 52 | Head | Laundress | Kentucky |
| 23 | Enoch Fry | 48 | Head | Collector | Kentucky |
| 24 | Raymond Fry | 48 | wife | — | Ohio |
| 25 | Mamie Anderson | 36 | Head | — | Georgia |
| 26 | Didamia Morris | 78 | Head | — | Kentucky |
| 27 | Howard Montfort | 22 | Grandson | Car Washer | Ohio |
| 28 | James Southall | 25 | Head | Laborer | Arkansas |
| 29 | Mary Southall | 25 | wife | — | Mississippi |
| 30 | Lessie Mae Southall | 5 | daughter | — | Arkansas |
| 31 | Elizabeth Watts | 56 | Head | — | Georgia |
| 32 | Allene Watts | 29 | daughter | — | Georgia |
| 33 | William Hall | 47 | Head | Hod Carrier | Georgia |
| 34 | Ola Hall | 36 | wife | — | Ohio |
| 35 | Coarie Torey | 36 | Roomer | Laborer | Georgia |
| 36 | Edward Albright | 30 | Head | Porter | Mississippi |
| 37 | Josephine Albright | 23 | wife | — | Mississippi |
| 38 | James Albright | 3 | son | — | Mississippi |
| 39 | Herbert Albright | 1 | son | — | Ohio |
| 40 | Alfred Albright | 18 | Brother | — | Mississippi |
Pedigree Summary
Ruth
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)