FS
Frank Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Frank Simpson across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Clay & Harold — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Simpson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Odd Jobs |
| Industry | Various Employ |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 14 |
| Highest Grade | No 8 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Odd Jobs |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1918 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Jack Simpson | Son | — | 20 | ~1920 |
| Edward Simpson | Son | — | 30 | ~1910 |
| Frank Simpson | Son | — | 22 | ~1918 |
| Lola Simpson | Spouse | — | 57 | ~1883 |
| Clay Simpson | Head | — | 64 | ~1876 |
Census Appearances
1920
Hamilton, Ohio
Son, age 1
Hamilton, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sampson |
| Given Name | Frank H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 11
Hamilton, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Son, age 22
Hamilton-County, Ohio · implied b. ~1918 — 5 household members
| Surname | Simpson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Odd Jobs |
| Industry | Various Employ |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 14 |
| Highest Grade | No 8 |
| 1935 Residence | Ohio |
| 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 Frank Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clay Simpson (~0.92 confidence) and father Harold Simpson (~0.92 confidence) and father Harold Sampson (~0.92 confidence) and mother Lola Simpson (~0.92 confidence) and mother Marita Simpson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clay Simpson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Harold Simpson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Harold Sampson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Lola Simpson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Marita Simpson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Simpson
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Jack Simpson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Simpson
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
23 people indexed on this census page (nara:1940:m-t0627-03190-00359)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Korlis Mcclure | 5 | Son | — | Ohio |
| 42 | Shirley Mcclure | 4 | Daughter | — | Ohio |
| 43 | George Marcus | 60 | Head | — | Greece |
| 44 | Haliah|Halia Marcus | 56 | Wife | — | Ohio |
| 45 | Joseph Buschaka | 54 | Head | — | Syria |
| 46 | George Shakra | 58 | Head | — | Syria |
| 47 | Hilah|Hilah Smith | 65 | Head | — | Kentucky |
| 48 | William A. Stockton | 43 | Head | Laborer | Kentucky |
| 49 | Vada Stockton | 36 | Wife | — | Tennessee |
| 50 | Earl Stockton | 8 | Son | — | Ohio |
| 51 | Edna June Stockton | 6 | Daughter | — | Ohio |
| 52 | Mary Frances Stockton | 4 | Daughter | — | Ohio |
| 53 | Jesse Lee Stockton | 2 | Son | — | Ohio |
| 54 | Adolph Casey | 24 | Head | Laborer | Kentucky |
| 55 | Mildred Casey | 21 | Wife | — | Kentucky |
| 56 | Clay Simpson | 64 | Head | — | Kentucky |
| 57 | Lola Simpson | 57 | Wife | — | Kentucky |
| 58 | Edward Clayton Simpson | 30 | Son | — | Ohio |
| 59 | Frank Simpson THIS PERSON | 22 | Son | Odd Jobs | Ohio |
| 60 | Jack Simpson | 20 | Son | New Worker | Ohio |
| 61 | Otis Hall | 36 | Head | Odd Jobs | Ohio |
| 62 | Margaret Ann Hall | 55 | Wife | — | Kentucky |
| 63 | M. S. Goaby | 60 | Head | Laborer | Kentucky |
Pedigree Summary
Frank + 2 siblings
Gen 1 · 5 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)