JD
James Dennis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this James Dennis across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 100 |
| Highest Grade | No 6 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Sumter Township |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ella Dennis | Spouse | — | 32 | ~1908 |
| Griffin Dennis | Daughter | — | 16 | ~1924 |
| James Dennis | Son | — | 19 | ~1921 |
| John Dennis | Son | — | 3 | ~1937 |
| Mack Dennis | Head | — | 42 | ~1898 |
| Magdalene Dennis | Daughter | — | 10 | ~1930 |
| Analee Dennis | Daughter | — | 1 | ~1939 |
| Juanita Dennis | Daughter | — | 14 | ~1926 |
| Roosevelt Dennis | Son | — | 6 | ~1934 |
Census Appearances
1930
Sumter, South …
Son, age 10
Sumter, South Carolina · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Son, age 19
Sumter-County, South Carolina · implied b. ~1921 — 9 household members
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter |
| 1935 Residence (County) | Sumter |
| Occupation | Farm laborer |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 100 |
| Highest Grade | No 6 |
| 1935 Residence | South Carolina |
| 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 James Dennis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dennis
Son · 1940 · age 19 · b. ~1921 · South Carolina
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Sibling
Analee Dennis
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Griffin Dennis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Magdalene Dennis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dennis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roosevelt Dennis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Dennis
Sibling · 1940 · age 14
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 — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03842-00707)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Johnson | 25 | Head | Farm Laborer | South Carolina |
| 42 | Katherine Johnson | 24 | Wife | Farm Laborer | South Carolina |
| 43 | James Jr Johnson | 8 | Son | — | South Carolina |
| 44 | Catherine Johnson | 6 | Daughter | — | South Carolina |
| 45 | Letitia Johnson | 4 | Daughter | — | South Carolina |
| 46 | Rachel Johnson | 2 | Daughter | — | South Carolina |
| 47 | Mack Dennis | 42 | Head | Farm Laborer | South Carolina |
| 48 | Ella Dennis | 32 | Wife | — | South Carolina |
| 49 | James Dennis THIS PERSON | 19 | Son | Farm Laborer | South Carolina |
| 50 | Griffin Dennis | 16 | Daughter | — | South Carolina |
| 51 | Juanita Dennis | 14 | Daughter | — | South Carolina |
| 52 | Magdalene Dennis | 10 | Daughter | — | South Carolina |
| 53 | Roosevelt Dennis | 6 | Son | — | South Carolina |
| 54 | John Dennis | 3 | Son | — | South Carolina |
| 55 | Analee Dennis | 1 | Daughter | — | South Carolina |
| 56 | Harding Johnson | 21 | Head | Farm Laborer | South Carolina |
| 57 | Lilly Johnson | 19 | Wife | — | South Carolina |
| 58 | Shelly May Johnson | 0 | Daughter | — | South Carolina |
| 59 | Aaron Johnson | 56 | Head | Farm Labor | South Carolina |
| 60 | Elizabeth Johnson | 45 | Wife | — | South Carolina |
| 61 | Robert Johnson | 14 | Nephew | — | South Carolina |
| 62 | Lewis Jr Johnson | 13 | Grandson | — | South Carolina |
| 63 | Ora May Johnson | 13 | Granddaughter | — | South Carolina |
| 64 | James Lee | 25 | Head | Laborer | South Carolina |
| 65 | Hattie Lee | 27 | Wife | — | South Carolina |
| 66 | Pearl Lee | 15 | Daughter | Cook | South Carolina |
| 67 | Bertha Lee | 16 | Daughter | — | South Carolina |
| 68 | Lawrence Lee | 14 | Son | — | South Carolina |
| 69 | James Jr Lee | 12 | Son | — | South Carolina |
| 70 | Hattie Lee | 10 | Daughter | — | South Carolina |
| 71 | Jacob Wilson | 23 | Head | Farm Laborer | South Carolina |
| 72 | Carrie Wilson | 65 | Wife | Housekeeper | South Carolina |
| 73 | Carrie Wilson | 20 | Daughter | Laborer | South Carolina |
| 74 | Elizabeth Wilson | 17 | Sister | Laborer | Virginia |
| 75 | Robert Wilson | 11 | Nephew | — | South Carolina |
| 76 | Jackson Wilson | 7 | Nephew | — | South Carolina |
| 77 | Lennie Wilson | 5 | Nephew | — | South Carolina |
| 78 | Joseph Wilson | 3 | Nephew | — | South Carolina |
| 79 | Walter Wilson | 5 | Nephew | — | South Carolina |
| 80 | Tom Wilson | 1 | Nephew | — | South Carolina |
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)