SD
Sam Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Sam Davis across the 1920, 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed), with identified parents Andrew & Sam — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Davis |
| Given Name | Sam |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Shreveport |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Occupation | clean stills |
| Industry | oil refinery |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 750 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Clean Stills |
| Township / Ward | Shreveport |
| Est. Birth Year | ~1904 |
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 Sam | Age | Birth yr |
|---|---|---|---|---|
| Sam Davis | Head | — | 36 | ~1904 |
| Ruth Davis | Spouse | — | 29 | ~1911 |
| Stevia Cooper | Daughter | — | 13 | ~1927 |
| Melvin Cooper | Son | — | 12 | ~1928 |
Census Appearances
1920
Caddo, Louisiana
Son, age 16
Caddo, Louisiana · implied b. ~1904 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Sam |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Caddo, Louisiana
Son, age 25
Caddo, Louisiana · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Sammy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Cook |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Head, age 36
Caddo-County, Louisiana · implied b. ~1904 — 4 household members
| Surname | Davis |
| Given Name | Sam |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Shreveport |
| 1935 Residence (County) | Caddo |
| Occupation | clean stills |
| Industry | oil refinery |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 750 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Sam Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Davis (~0.92 confidence) and father Sam Davis (~0.92 confidence) and mother Lula Davis (~0.92 confidence) and mother Martha Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Davis
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Sam Davis
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lula Davis
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Martha Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Sam Davis
Head · 1940 · age 36 · b. ~1904 · Louisiana
★ 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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01387-00503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth L. Lemon | 6 | Grand daughter | — | Louisiana |
| 2 | Sam Davis THIS PERSON | 36 | Head | Clean Stills | Louisiana |
| 3 | Ruth Davis | 29 | Wife | — | Louisiana |
| 4 | Stevia Cooper | 13 | Daughter | — | Louisiana |
| 5 | Melvin Cooper | 12 | Son | — | Louisiana |
| 6 | George Williams | 45 | Head | Mortar Mixer | Texas |
| 7 | Aplena Williams | 43 | Wife | Maid | Louisiana |
| 8 | John T. Hotchkiss | 27 | Son | Caddie | Louisiana |
| 9 | Emmalene Hotchkiss | 7 | Daughter | — | Louisiana |
| 10 | Porter H. Walker | 25 | Step son | Waitress | Louisiana |
| 11 | Emma Allen | 65 | Mother in law | Laundress | Louisiana |
| 12 | George Mason | 16 | Cousin | — | Louisiana |
| 13 | — | None | — | — | — |
| 14 | Amos Johnson | 32 | Head | — | Texas |
| 15 | Harriet Johnson | 74 | Wife | — | Texas |
| 16 | Will Douglas | 62 | Head | Yard Man | Texas |
| 17 | Martha Douglas | 50 | Wife | Cook | Louisiana |
| 18 | Isabell Mitchell | 36 | Head | Laundress | Louisiana |
| 19 | Johnnie Strauter | 45 | Lodger | Landscaper | Louisiana |
| 20 | Flanigan Hodge | 69 | Head | — | Louisiana |
| 21 | Agnes Hodge | 72 | Wife | — | Louisiana |
| 22 | Beatrice Hodge | 30 | Adopted daughter | — | Louisiana |
| 23 | Robert Hodge | 10 | Grand son | — | Louisiana |
| 24 | Robert Williams | 37 | Head | Yard Man | Louisiana |
| 25 | Sudie Williams | 33 | Wife | Laundress | Louisiana |
| 26 | Huey L. Taylor | 8 | Step son | — | Louisiana |
| 27 | Leroy Jr. Taylor | 6 | Step son | — | Louisiana |
| 28 | Billie Mc Gasket | 34 | Head | Plows | Louisiana |
| 29 | Lillie Mc Gasket | 43 | Wife | Cook | Louisiana |
| 30 | Floyd Porter | 30 | Step son | — | Arkansas |
| 31 | Aron Prayer | 5 | Grand son | — | Louisiana |
| 32 | Lawrence Hudson | 58 | Head | Runs Grocery | Louisiana |
| 33 | Mary Hudson | 55 | Wife | — | Louisiana |
| 34 | Magg Blackburn | 33 | Aunt | — | Georgia |
| 35 | Penny Sanders | 26 | Head | Maid | Louisiana |
| 36 | Jammie M. Stephenson | 5 | Daughter | 26 | Louisiana |
| 37 | Alex Harris | 40 | Head | 26 | Louisiana |
| 38 | Evalina Harris | 35 | Wife | Maid | Louisiana |
| 39 | Ruthie Harris | 19 | Daughter | — | Louisiana |
| 40 | Pearlie M. Harris | 16 | Daughter | — | Louisiana |
Pedigree Summary
Sam
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)