WD
William Dennis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this William Dennis across the 1910, 1920, 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed), with identified parents Eugene & Mattie — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Dennis |
| Given Name | William L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia City |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Occupation | 40 |
| Industry | Weaver |
| Class of Worker | Cotton mill |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | 40 |
| Township / Ward | Columbia City |
| Est. Birth Year | ~1903 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Miriam Dennis | Daughter | — | 11 | ~1929 |
| Lillie Dennis | Daughter | — | 14 | ~1926 |
| William Dennis | Head | — | 37 | ~1903 |
| Oleta Dennis | Spouse | — | 26 | ~1914 |
| Charles Dennis | Son | — | 8 | ~1932 |
| Layton Dennis | Son | — | 9 | ~1931 |
Census Appearances
1910
Richland, South …
Son, age 3
Richland, South Carolina · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Richland, South …
Son, age 13
Richland, South Carolina · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Richland, South …
Head, age 24
Richland, South Carolina · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 1.50 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Head, age 37
Richland-County, South Carolina · implied b. ~1903 — 6 household members
| Surname | Dennis |
| Given Name | William L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia City |
| 1935 Residence (County) | Richland |
| Occupation | 40 |
| Industry | Weaver |
| Class of Worker | Cotton mill |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 William Dennis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Eugene Dennis (~0.92 confidence) and mother Mattie Dennis (~0.92 confidence) and mother Mattie Dennis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Dennis
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mattie Dennis
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mattie Dennis
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Dennis
Head · 1940 · age 37 · b. ~1903 · South Carolina
★ 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 — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03833-00136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Olive O Walden | 57 | Wife | — | South Carolina |
| 2 | Lucy Dawkins | 32 | daughter | — | South Carolina |
| 3 | Daniel Dawkins | 31 | son-in-law | Painter | South Carolina |
| 4 | Gladys Dawkins | 10 | grand daughter | — | South Carolina |
| 5 | Theodore Neeley | 31 | Head | 40 | South Carolina |
| 6 | Leola B Neeley | 27 | Wife | 24 | Alabama |
| 7 | Nadine Neeley | 10 | daughter | — | Alabama |
| 8 | Peggy Neeley | 7 | daughter | — | South Carolina |
| 9 | Jesse G Jacobs | 32 | Head | 40 | Tennessee |
| 10 | Lucile E Jacobs | 29 | Wife | 40 | South Carolina |
| 11 | Heyward S Jacobs | 10 | son | — | South Carolina |
| 12 | Patricia Ann Jacobs | 8 | daughter | — | Ohio |
| 13 | Kenneth R Jacobs | 6 | son | — | South Carolina |
| 14 | Grover T Davis | 26 | Head | 40 | South Carolina |
| 15 | Lora G Davis | 22 | Wife | 40 | South Carolina |
| 16 | Alvin A Bailey | 42 | Head | 40 | North Carolina |
| 17 | Lillie Bailey | 48 | Wife | 40 | North Carolina |
| 18 | Finley Bailey | 16 | son | — | South Carolina |
| 19 | Wallace A Galloway | 51 | lodger | 40 | South Carolina |
| 20 | Tom B Rose | 34 | lodger | 40 | Texas |
| 21 | Eva Rose | 26 | lodger's wife | — | South Carolina |
| 22 | Margie G Rose | 8 | lodger's daughter | — | South Carolina |
| 23 | Eva E Rose | 1 | lodger's daughter | — | North Carolina |
| 24 | Beulah B Andrews | 48 | Head | 40 | South Carolina |
| 25 | Cecile Andrews | 19 | daughter | 40 | South Carolina |
| 26 | Homer Andrews | 16 | son | — | South Carolina |
| 27 | Rufus Jackson Baker | 47 | Head | 28 | South Carolina |
| 28 | Nita Baker | 33 | Wife | 40 | South Carolina |
| 29 | Irene Baker | 16 | son | — | South Carolina |
| 30 | Raymond Baker | 13 | son | — | South Carolina |
| 31 | Curtis Baker | 10 | son | — | South Carolina |
| 32 | Nellie Baker | 5 | daughter | — | South Carolina |
| 33 | Carolina Baker | 3 | daughter | — | South Carolina |
| 34 | William L Dennis THIS PERSON | 37 | Head | 40 | South Carolina |
| 35 | Oleta Dennis | 26 | Wife | — | South Carolina |
| 36 | Lillie Mae Dennis | 14 | daughter | — | South Carolina |
| 37 | Miriam Dennis | 11 | daughter | — | South Carolina |
| 38 | Layton Jr Dennis | 9 | son | — | South Carolina |
| 39 | Charles Dennis | 8 | son | — | South Carolina |
| 40 | William W Cox | 31 | Head | 40 | South Carolina |
Related Census Records
Pedigree Summary
William
Gen 1 · 3 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)