CD
Clarence Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Clarence Davis across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Joseph & James — first a son (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Davis |
| Given Name | Clarence M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Timekeeper |
| Industry | Construction Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Timekeeper |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Anna Davis | Daughter | — | 30 | ~1910 |
| Mary Davis | Daughter | — | 13 | ~1927 |
| Harvey Davis | Head | — | 54 | ~1886 |
| Clarence Davis | Son | — | 31 | ~1909 |
| Ruder Davis | Son | — | 29 | ~1911 |
| Effie Davis | Spouse | — | 52 | ~1888 |
Census Appearances
1910
Jefferson, Kentucky
Son, age 4
Jefferson, Kentucky · implied b. ~1906 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Jefferson, Kentucky
Son, age 12
Jefferson, Kentucky · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| 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
Jefferson, Kentucky
Son, age 21
Jefferson, Kentucky · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Clarence W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Work hand |
| Industry | At home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 31
Jefferson-County, Kentucky · implied b. ~1909 — 6 household members
| Surname | Davis |
| Given Name | Clarence M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Timekeeper |
| Industry | Construction Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Clarence Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and father Walter Davis (~0.92 confidence) and mother Elizabeth Davis (~0.92 confidence) and father Harvey Davis (~0.92 confidence) and mother Effie Davis (~0.92 confidence) and mother Nettie Davis (~0.92 confidence) and mother Linnie Davis (~0.92 confidence). The pedigree spans 1 generation with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Father
James Davis
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Walter Davis
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Harvey Davis
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Effie Davis
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Nettie Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Linnie Davis
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Davis
Son · 1940 · age 31 · b. ~1909 · Kentucky
★ You are viewing this record
Sibling
Mary Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Davis
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruder Davis
Sibling · 1940 · age 29
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01375-00710)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Allan L. Green | 38 | Daughter | Secretary | Kentucky |
| 2 | Sam Baugh | 39 | Head | Salesman | Kentucky |
| 3 | Thelma Baugh | 27 | Wife | — | Kentucky |
| 4 | Sadie Bunger | 38 | Head | — | Kentucky |
| 5 | Albert E. Parsons | 57 | Head | Linotype Operator | Pennsylvania |
| 6 | Carolyn A. Parsons | 44 | Wife | — | Kentucky |
| 7 | Claudia E. King | 69 | Mother-in-law | — | Kentucky |
| 8 | Wallace H. Claycomb | 60 | Head | Locomotive Engineer | Kentucky |
| 9 | May M. Claycomb | 61 | Sister | — | Kentucky |
| 10 | Augusta W. Duncan | 49 | Head | — | Kentucky |
| 11 | Allie L. Duncan | 35 | Daughter | Stenographer | Kentucky |
| 12 | Jesse L. Duncan | 15 | Son | — | Kentucky |
| 13 | Ora M. Hopton | 23 | Head | Machine Operator | Indiana |
| 14 | Violet S. Hopton | 22 | Wife | Capper | Indiana |
| 15 | Lester Eckert | 23 | Lodger | Capper | Indiana |
| 16 | Ann Eckert | 23 | Lodger | Capper | Indiana |
| 17 | Leslie T. Starke | 40 | Head | Foreman | Kentucky |
| 18 | Eleanor B. Starke | 41 | Wife | — | Kentucky |
| 19 | Leslie T. Jr. Starke | 18 | Son | — | Kentucky |
| 20 | Richard E. Springman | 33 | Head | Engraver | Iowa |
| 21 | Bernadine B. Springman | 21 | Wife | — | Iowa |
| 22 | Roger E. Williams | 37 | Head | Storekeeper Gauger | Kentucky |
| 23 | Juanita E. Williams | 26 | Wife | — | Kentucky |
| 24 | J. William Burrett | 31 | Head | Salesman | Kentucky |
| 25 | Mary M. Burrett | 24 | Wife | — | Indiana |
| 26 | John G. Lyon | 24 | Head | Workman | Kentucky |
| 27 | Virginia Lyon | 21 | Wife | Saleslady | Kentucky |
| 28 | Francis E. Smith | 29 | Head | Rodman | Kentucky |
| 29 | Geraldine K. Smith | 21 | Wife | — | Missouri |
| 30 | Hector T. Smart | 40 | Head | Secretary | English |
| 31 | Pearl R. Smart | 38 | Wife | Bookkeeper | Kentucky |
| 32 | Lallie Hansbrough | 75 | Mother-in-law | — | Kentucky |
| 33 | Harvey G. Davis | 54 | Head | Car Operator | Kentucky |
| 34 | Effie M. Davis | 52 | Wife | — | Kentucky |
| 35 | Clarence M. Davis THIS PERSON | 31 | Son | Timekeeper | Kentucky |
| 36 | Anna Lee Davis | 30 | Daughter | Stenographer | Kentucky |
| 37 | Ruder R. Davis | 29 | Son | — | Kentucky |
| 38 | Mary R. Davis | 13 | Daughter | — | Kentucky |
| 39 | George W. Smith | 56 | Head | Car Operator | Kentucky |
| 40 | Julia A. Foster | 58 | Sister | — | Kentucky |
Pedigree Summary
Clarence + 3 siblings
Gen 1 · 8 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)